Please keep at least one language enabled. || కనీసం ఒక భాషను ఎంచుకోండి.
Question 1
ప్రశ్న 1
A main form displays one Case and must show all related EvidenceItems. Which design is best?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A subform is well suited to one-to-many relationships.
• The main form can show the parent while the subform shows matching child records.
• This preserves relational design.
• The main form can show the parent while the subform shows matching child records.
• This preserves relational design.
వివరణ:
Question 2
ప్రశ్న 2
Which memory is normally closest to the CPU execution units and fastest among the following?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Registers are located directly inside the processor.
• Caches are fast but remain below registers in the normal hierarchy.
• DRAM and SSD storage have much greater latency.
• Caches are fast but remain below registers in the normal hierarchy.
• DRAM and SSD storage have much greater latency.
వివరణ:
Question 3
ప్రశ్న 3
Which statement about NAT is correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• NAT changes addressing information.
• Firewall policy requires explicit traffic-control functions beyond address translation alone.
• NAT and encryption solve different problems.
• Firewall policy requires explicit traffic-control functions beyond address translation alone.
• NAT and encryption solve different problems.
వివరణ:
Question 4
ప్రశ్న 4
Which Windows feature is primarily used to roll back system configuration to an earlier restore point without being a substitute for personal-file backup?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• System Restore targets system configuration and selected system components.
• It can help after problematic drivers or settings changes.
• It does not replace independent backup of personal data.
• It can help after problematic drivers or settings changes.
• It does not replace independent backup of personal data.
వివరణ:
Question 5
ప్రశ్న 5
Which scheduling characteristic allows the OS to interrupt a running task and assign the CPU to another task?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Preemptive scheduling permits the OS to interrupt a running task.
• Time-sliced multitasking commonly relies on this capability.
• The other terms belong to different domains.
• Time-sliced multitasking commonly relies on this capability.
• The other terms belong to different domains.
వివరణ:
Question 6
ప్రశ్న 6
A password plus a fingerprint is an example of what?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A password is something the user knows.
• A fingerprint is something the user is.
• Independent factors from different categories constitute MFA.
• A fingerprint is something the user is.
• Independent factors from different categories constitute MFA.
వివరణ:
Question 7
ప్రశ్న 7
Which relational design is most appropriate for a many-to-many relationship between Cases and Officers?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Many-to-many relationships are normally resolved through an associative table.
• The foreign keys reference the related parent tables.
• This preserves normalization and supports flexible relationships.
• The foreign keys reference the related parent tables.
• This preserves normalization and supports flexible relationships.
వివరణ:
Question 8
ప్రశ్న 8
Which normal form removes partial dependency of non-key attributes on part of a composite key?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 2NF builds on 1NF and removes partial dependency on part of a composite key.
• This applies when composite candidate keys are involved.
• 3NF further addresses transitive dependency.
• This applies when composite candidate keys are involved.
• 3NF further addresses transitive dependency.
వివరణ:
Question 9
ప్రశ్న 9
A printer is connected and powered, but Windows shows jobs stuck in the print queue. Which software component should be checked early?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Windows printing relies on the spooler and queue.
• Stuck jobs can often be isolated there.
• Firmware keys and RAID do not manage print jobs.
• Stuck jobs can often be isolated there.
• Firmware keys and RAID do not manage print jobs.
వివరణ:
Question 10
ప్రశ్న 10
A motherboard has a PCI Express x16 slot. Which device is most commonly installed there in a desktop system?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• High-performance graphics adapters commonly use PCIe x16 slots.
• PCIe provides a high-bandwidth expansion interface.
• RAM and storage devices use different physical interfaces.
• PCIe provides a high-bandwidth expansion interface.
• RAM and storage devices use different physical interfaces.
వివరణ:
Question 11
ప్రశ్న 11
Which memory type is nonvolatile and commonly used for firmware storage that may be electrically updated?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Modern firmware is commonly stored in electrically rewritable nonvolatile memory.
• Its contents persist without normal system power.
• DRAM, SRAM and registers are volatile.
• Its contents persist without normal system power.
• DRAM, SRAM and registers are volatile.
వివరణ:
Question 12
ప్రశ్న 12
Which technology is used to convert printed text in a scanned document into editable characters?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Optical Character Recognition identifies printed characters from image data.
• It can convert scanned text into machine-readable/editable form.
• OMR and MICR serve different input purposes.
• It can convert scanned text into machine-readable/editable form.
• OMR and MICR serve different input purposes.
వివరణ:
Question 13
ప్రశ్న 13
Which Excel feature is designed to determine the input required to make one formula return a specified target result?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Goal Seek works backward from a formula result.
• The user specifies the formula cell, target value and changing input cell.
• It is a What-If Analysis tool.
• The user specifies the formula cell, target value and changing input cell.
• It is a What-If Analysis tool.
వివరణ:
Question 14
ప్రశ్న 14
Which firewall type maintains information about active connections?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Stateful inspection tracks connection state.
• Return traffic can be evaluated in context.
• Basic stateless filtering lacks equivalent connection tracking.
• Return traffic can be evaluated in context.
• Basic stateless filtering lacks equivalent connection tracking.
వివరణ:
Question 15
ప్రశ్న 15
During startup, which event normally occurs before the operating-system boot loader runs?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Firmware executes first after power-on.
• POST and hardware initialization precede operating-system loading.
• User applications start much later.
• POST and hardware initialization precede operating-system loading.
• User applications start much later.
వివరణ:
Question 16
ప్రశ్న 16
Which statement about PROM is correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• PROM means Programmable Read-Only Memory.
• Traditional PROM is one-time programmable.
• EPROM and EEPROM provide erasable alternatives.
• Traditional PROM is one-time programmable.
• EPROM and EEPROM provide erasable alternatives.
వివరణ:
Question 17
ప్రశ్న 17
A system has a 90% cache hit rate, cache access time of 2 ns and main-memory penalty of 50 ns on a miss. Using AMAT = cache time + miss rate × miss penalty, what is the AMAT?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Miss rate = 1 − 0.90 = 0.10.
• AMAT = 2 + 0.10×50 = 7 ns.
• The calculation includes cache lookup time plus average miss penalty.
• AMAT = 2 + 0.10×50 = 7 ns.
• The calculation includes cache lookup time plus average miss penalty.
వివరణ:
Question 18
ప్రశ్న 18
A processor finds requested data in L1 cache. What is this event called?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A cache hit means the requested item is already present in the checked cache.
• The processor avoids a slower lower-level memory access for that request.
• A miss occurs when the data is absent.
• The processor avoids a slower lower-level memory access for that request.
• A miss occurs when the data is absent.
వివరణ:
Question 19
ప్రశ్న 19
Which database object can speed suitable searches but adds storage and update-maintenance overhead?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Indexes provide faster access paths for suitable queries.
• They consume storage and must be maintained when data changes.
• This creates a performance trade-off.
• They consume storage and must be maintained when data changes.
• This creates a performance trade-off.
వివరణ:
Question 20
ప్రశ్న 20
A browser can reach an Internet site by IP address but not by domain name. Which Internet service is most likely involved?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• IP connectivity is already working.
• Failure only for domain names points to name resolution.
• DNS provides this service.
• Failure only for domain names points to name resolution.
• DNS provides this service.
వివరణ:
Question 21
ప్రశ్న 21
During instruction execution, a branch changes which instruction should be fetched next. Which CPU register must be updated with the new target address?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Program Counter contains the address used for the next instruction fetch.
• A taken branch or jump changes normal sequential flow by loading the target address into this control register.
• The Instruction Register instead holds the instruction currently being processed.
• A taken branch or jump changes normal sequential flow by loading the target address into this control register.
• The Instruction Register instead holds the instruction currently being processed.
వివరణ:
Question 22
ప్రశ్న 22
Microsoft guidance commonly recommends which repair order when the Windows component store and protected system files may be corrupted?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• DISM repairs the Windows image/component store.
• SFC can then use healthy repair sources to replace protected system files.
• Formatting is not a first-line repair method.
• SFC can then use healthy repair sources to replace protected system files.
• Formatting is not a first-line repair method.
వివరణ:
Question 23
ప్రశ్న 23
In Excel, A1:A4 contain 5,10,15,20. What is =AVERAGE(A1:A4)?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The sum is 50.
• There are four values.
• 50 ÷ 4 = 12.5.
• There are four values.
• 50 ÷ 4 = 12.5.
వివరణ:
Question 24
ప్రశ్న 24
Why is thermal interface material used between a CPU heat spreader and its cooler?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Thermal compound improves heat transfer between mating surfaces.
• It fills microscopic imperfections that would otherwise trap insulating air.
• It has no role in storage or networking.
• It fills microscopic imperfections that would otherwise trap insulating air.
• It has no role in storage or networking.
వివరణ:
Question 25
ప్రశ్న 25
A presentation uses the same logo and fonts on many slides. Which feature should be edited to change them centrally?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Slide Master controls common design elements inherited by layouts and slides.
• Central editing avoids manual repetition.
• Presenter View is for delivery, not global design.
• Central editing avoids manual repetition.
• Presenter View is for delivery, not global design.
వివరణ:
Question 26
ప్రశ్న 26
Which command traces the sequence of IP hops toward a destination in Windows?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• tracert uses TTL-limited probes to reveal successive routers.
• It helps diagnose path problems.
• The other commands perform unrelated functions.
• It helps diagnose path problems.
• The other commands perform unrelated functions.
వివరణ:
Question 27
ప్రశ్న 27
An organization's internal HR portal uses HTTPS but is available only to authorized employees. How is it best classified?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Restricted internal web services are typical intranet applications.
• Use of HTTPS does not make the service public.
• The classification depends on organizational access scope.
• Use of HTTPS does not make the service public.
• The classification depends on organizational access scope.
వివరణ:
Question 28
ప్రశ్న 28
A PC displays video during POST but loses display output as soon as a discrete GPU driver loads in Windows. Which component should be investigated first?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The failure appears when the discrete GPU becomes actively driven by the operating system.
• GPU power, driver and adapter stability are therefore relevant.
• Unrelated application settings cannot explain this transition.
• GPU power, driver and adapter stability are therefore relevant.
• Unrelated application settings cannot explain this transition.
వివరణ:
Question 29
ప్రశ్న 29
A system has 8 address lines and is byte-addressable. How many bytes can be directly addressed?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Eight address bits provide 2^8 unique addresses.
• 2^8 = 256.
• With byte addressing, that corresponds to 256 bytes.
• 2^8 = 256.
• With byte addressing, that corresponds to 256 bytes.
వివరణ:
Question 30
ప్రశ్న 30
Which device provides temporary power during a mains failure so that a computer can shut down safely?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A UPS provides battery-backed power for a limited time.
• It can support orderly shutdown during outages.
• NICs, scanners and modems do not provide backup power.
• It can support orderly shutdown during outages.
• NICs, scanners and modems do not provide backup power.
వివరణ:
Question 31
ప్రశ్న 31
A Windows PC receives 169.254.20.5 automatically when DHCP is expected. What does this most strongly indicate?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Windows can self-assign an IPv4 link-local address in 169.254.0.0/16.
• This commonly occurs when DHCP address acquisition fails.
• It indicates a local addressing fallback, not successful Internet configuration.
• This commonly occurs when DHCP address acquisition fails.
• It indicates a local addressing fallback, not successful Internet configuration.
వివరణ:
Question 32
ప్రశ్న 32
Which statement about a page fault is correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Page faults are part of virtual-memory operation.
• The OS may load a page from backing storage or perform another memory-management action.
• A page fault is not automatically a hardware failure.
• The OS may load a page from backing storage or perform another memory-management action.
• A page fault is not automatically a hardware failure.
వివరణ:
Question 33
ప్రశ్న 33
Six nodes are connected in a full mesh. How many direct links are required?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A full mesh needs n(n−1)/2 links.
• For n=6: 6×5/2 = 15.
• Each pair is counted once.
• For n=6: 6×5/2 = 15.
• Each pair is counted once.
వివరణ:
Question 34
ప్రశ్న 34
A transaction reads data written by another transaction that has not yet committed. What anomaly is this?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A dirty read observes uncommitted data.
• If the writer rolls back, the reader saw a value that never became committed.
• Higher isolation levels can prevent this.
• If the writer rolls back, the reader saw a value that never became committed.
• Higher isolation levels can prevent this.
వివరణ:
Question 35
ప్రశ్న 35
Which command should be used to clear the Windows DNS resolver cache?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• ipconfig /flushdns clears cached DNS resolver entries.
• It is useful when a client retains stale name-resolution data.
• CHKDSK and SFC address different problems.
• It is useful when a client retains stale name-resolution data.
• CHKDSK and SFC address different problems.
వివరణ:
Question 36
ప్రశ్న 36
Which Access wizard helps identify records in one table that have no matching record in another table?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Find Unmatched Query Wizard locates records lacking related matches.
• It is useful for relational completeness checks.
• Form and report wizards create different objects.
• It is useful for relational completeness checks.
• Form and report wizards create different objects.
వివరణ:
Question 37
ప్రశ్న 37
A system spends most of its time swapping pages and very little time executing useful work. What is the likely condition?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Excessive page faults can dominate system activity.
• This results in very low useful CPU progress.
• The condition is called thrashing.
• This results in very low useful CPU progress.
• The condition is called thrashing.
వివరణ:
Question 38
ప్రశ్న 38
Which Word option allows separate headers on odd and even pages?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Different Odd & Even Pages supports book-style header/footer layouts.
• Odd and even pages can have separate content.
• Track Changes and Navigation Pane do not provide this layout function.
• Odd and even pages can have separate content.
• Track Changes and Navigation Pane do not provide this layout function.
వివరణ:
Question 39
ప్రశ్న 39
Host A is 192.168.1.10/24 and Host B is 192.168.1.200/24. Can they communicate locally if the LAN is otherwise valid?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A /24 fixes the first 24 bits as the network portion.
• Both addresses share 192.168.1 as that prefix.
• They are therefore local-subnet peers.
• Both addresses share 192.168.1 as that prefix.
• They are therefore local-subnet peers.
వివరణ:
Question 40
ప్రశ్న 40
Malware is present but antivirus fails to detect it. What is this called?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A false negative means a real threat was not detected.
• This creates security risk because the malicious content may continue operating.
• A false positive is the opposite classification error.
• This creates security risk because the malicious content may continue operating.
• A false positive is the opposite classification error.
వివరణ:
Question 41
ప్రశ్న 41
A query repeatedly returns different rows because another committed transaction inserts new rows that satisfy the same range condition. What phenomenon is this?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Phantoms involve a changed set of qualifying rows between repeated queries.
• They commonly arise from inserts or deletes by concurrent transactions.
• This differs from simply rereading a changed value in the same existing row.
• They commonly arise from inserts or deletes by concurrent transactions.
• This differs from simply rereading a changed value in the same existing row.
వివరణ:
Question 42
ప్రశ్న 42
Which Access object is designed for formatted, grouped and printable output?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Reports present data in formatted output.
• They support grouping and totals.
• Tables and indexes serve other purposes.
• They support grouping and totals.
• Tables and indexes serve other purposes.
వివరణ:
Question 43
ప్రశ్న 43
Which OS concept prevents one process from freely overwriting another process's memory?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Memory protection enforces boundaries between process address spaces.
• It improves stability and security.
• Email and Office features are unrelated.
• It improves stability and security.
• Email and Office features are unrelated.
వివరణ:
Question 44
ప్రశ్న 44
Which Access object is used to retrieve, filter, calculate or manipulate data according to criteria?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Queries retrieve and process data.
• They can select, summarize or perform action operations.
• Tables store the underlying records.
• They can select, summarize or perform action operations.
• Tables store the underlying records.
వివరణ:
Question 45
ప్రశ్న 45
Which printer type uses liquid ink sprayed through microscopic nozzles?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Inkjet printers deposit liquid ink through nozzles.
• Laser printers use toner and an imaging/fusing process.
• Dot-matrix printers use impact pins.
• Laser printers use toner and an imaging/fusing process.
• Dot-matrix printers use impact pins.
వివరణ:
Question 46
ప్రశ్న 46
A newly installed disk is visible in Device Manager but not in File Explorer. Which Windows tool should be checked next?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A new disk may need initialization, partitioning and drive-letter assignment.
• Disk Management provides these functions.
• File Explorer will not show an unmounted/unprepared volume.
• Disk Management provides these functions.
• File Explorer will not show an unmounted/unprepared volume.
వివరణ:
Question 47
ప్రశ్న 47
Which field property is best for limiting Marks to values from 0 through 100?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Validation Rule enforces a condition on entered values.
• A rule such as >=0 And <=100 directly expresses the limit.
• Caption only changes display text.
• A rule such as >=0 And <=100 directly expresses the limit.
• Caption only changes display text.
వివరణ:
Question 48
ప్రశ్న 48
A table of contents has outdated page numbers after edits. What should the user do?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• An automatic TOC can be refreshed after document changes.
• Updating recalculates headings and page numbers.
• Reinstallation is unnecessary.
• Updating recalculates headings and page numbers.
• Reinstallation is unnecessary.
వివరణ:
Question 49
ప్రశ్న 49
Which feature controls the visual effect when moving from one slide to another?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Transitions apply between slides.
• Animations apply to objects on a slide.
• Mail Merge and Query are unrelated.
• Animations apply to objects on a slide.
• Mail Merge and Query are unrelated.
వివరణ:
Question 50
ప్రశ్న 50
A webcam is not detected in Windows after being connected. Which sequence is most appropriate?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Start with physical connectivity.
• Then verify Windows device recognition and relevant settings.
• Destructive actions are not justified.
• Then verify Windows device recognition and relevant settings.
• Destructive actions are not justified.
వివరణ:
Question 51
ప్రశ్న 51
Which network type typically spans a metropolitan or city-scale area?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• MAN means Metropolitan Area Network.
• Its scope is commonly a city or metropolitan region.
• LAN is smaller and WAN is broader.
• Its scope is commonly a city or metropolitan region.
• LAN is smaller and WAN is broader.
వివరణ:
Question 52
ప్రశ్న 52
Which formula counts rows where District is East and Score is at least 60?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• COUNTIFS supports multiple criteria ranges.
• The first criterion checks District and the second checks Score.
• COUNTIF supports one criterion pair, not the displayed multi-range syntax.
• The first criterion checks District and the second checks Score.
• COUNTIF supports one criterion pair, not the displayed multi-range syntax.
వివరణ:
Question 53
ప్రశ్న 53
Which query type permanently removes records matching criteria?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Delete queries remove qualifying records.
• Because the effect can be destructive, backups and criteria verification are important.
• Append and crosstab queries serve different purposes.
• Because the effect can be destructive, backups and criteria verification are important.
• Append and crosstab queries serve different purposes.
వివరణ:
Question 54
ప్రశ్న 54
What is the purpose of a foreign key?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Foreign keys connect related relational data.
• Referential integrity can constrain their values.
• They are not encryption or formatting mechanisms.
• Referential integrity can constrain their values.
• They are not encryption or formatting mechanisms.
వివరణ:
Question 55
ప్రశ్న 55
A long Word report uses heading styles. Which feature can automatically build a list of headings with page numbers?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• An automatic Table of Contents can be generated from structured heading styles.
• It can be updated when headings or pagination change.
• Mail Merge serves a different purpose.
• It can be updated when headings or pagination change.
• Mail Merge serves a different purpose.
వివరణ:
Question 56
ప్రశ్న 56
Which CPU unit performs arithmetic and logical operations such as addition, comparison and bitwise logic?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Arithmetic Logic Unit performs arithmetic and logical operations.
• The Control Unit coordinates instruction execution but is not the ALU.
• NIC and SMPS perform networking and power functions.
• The Control Unit coordinates instruction execution but is not the ALU.
• NIC and SMPS perform networking and power functions.
వివరణ:
Question 57
ప్రశ్న 57
If a cache has 1000 accesses and 930 are hits, what is the hit rate?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Hit rate = hits ÷ total accesses.
• 930 ÷ 1000 = 0.93.
• Therefore the hit rate is 93%.
• 930 ÷ 1000 = 0.93.
• Therefore the hit rate is 93%.
వివరణ:
Question 58
ప్రశ్న 58
A UPS repeatedly switches to battery even though mains power appears present. What should be investigated?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• UPS behavior depends on input voltage/frequency and load.
• A weak battery or overloaded unit can also cause abnormal operation.
• Application settings are unrelated.
• A weak battery or overloaded unit can also cause abnormal operation.
• Application settings are unrelated.
వివరణ:
Question 59
ప్రశ్న 59
Which connector normally supplies the main power to a modern ATX motherboard?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The 24-pin ATX connector supplies the motherboard's main power rails.
• Additional CPU power is normally supplied separately.
• RJ45, SATA data and DisplayPort carry other signals.
• Additional CPU power is normally supplied separately.
• RJ45, SATA data and DisplayPort carry other signals.
వివరణ:
Question 60
ప్రశ్న 60
Which feature is most appropriate for preventing unrestricted editing of a Word document?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Restrict Editing can limit permitted changes.
• It can enforce controlled editing scenarios.
• Word Count and Zoom do not provide access restrictions.
• It can enforce controlled editing scenarios.
• Word Count and Zoom do not provide access restrictions.
వివరణ:
Question 61
ప్రశ్న 61
Which firewall policy blocks traffic unless it is explicitly permitted?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Default deny allows only traffic covered by explicit permit rules.
• Unmatched traffic is blocked.
• This reduces unnecessary exposure.
• Unmatched traffic is blocked.
• This reduces unnecessary exposure.
వివరణ:
Question 62
ప్రశ్న 62
Which OS component decides which ready process or thread should receive CPU time next?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The scheduler selects work from the ready set.
• Scheduling policies determine CPU allocation.
• Database indexes and compression are unrelated.
• Scheduling policies determine CPU allocation.
• Database indexes and compression are unrelated.
వివరణ:
Question 63
ప్రశ్న 63
Which property of a primary key is essential?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A primary key identifies each record uniquely.
• Null values cannot identify a record.
• Foreign-key behavior is separate.
• Null values cannot identify a record.
• Foreign-key behavior is separate.
వివరణ:
Question 64
ప్రశ్న 64
Which sequence correctly represents the broad instruction cycle?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The processor first fetches an instruction.
• It then decodes the instruction and executes the required operation.
• This cycle repeats as program execution continues.
• It then decodes the instruction and executes the required operation.
• This cycle repeats as program execution continues.
వివరణ:
Question 65
ప్రశ్న 65
Which Access object is most suitable for user-friendly data entry?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Forms provide interfaces for viewing and entering records.
• They can contain bound controls.
• Reports are primarily presentation/printing objects.
• They can contain bound controls.
• Reports are primarily presentation/printing objects.
వివరణ:
Question 66
ప్రశ్న 66
Which Word feature records edits for later review?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Track Changes marks revisions as users edit.
• Reviewers can accept or reject changes.
• It supports collaborative document review.
• Reviewers can accept or reject changes.
• It supports collaborative document review.
వివరణ:
Question 67
ప్రశ్న 67
Which statement about interrupts is correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Interrupts allow asynchronous events to receive CPU attention.
• Hardware devices and software mechanisms can generate interrupts.
• They are fundamental to efficient I/O handling.
• Hardware devices and software mechanisms can generate interrupts.
• They are fundamental to efficient I/O handling.
వివరణ:
Question 68
ప్రశ్న 68
B2:B6 contain East,West,East,East,West and C2:C6 contain 10,20,30,40,50. What does =SUMIF(B2:B6,"East",C2:C6) return?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The East rows correspond to 10, 30 and 40.
• 10+30+40 = 80.
• SUMIF adds values where the criterion is satisfied.
• 10+30+40 = 80.
• SUMIF adds values where the criterion is satisfied.
వివరణ:
Question 69
ప్రశ్న 69
A document needs personalized letters using recipient data from Excel. Which Word feature is designed for this?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Mail Merge combines a main document with recipient data.
• Excel can serve as a recipient data source.
• This avoids manually creating each letter.
• Excel can serve as a recipient data source.
• This avoids manually creating each letter.
వివరణ:
Question 70
ప్రశ్న 70
Which device is most suitable for producing large engineering drawings or maps on paper?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Plotters/large-format printers are designed for large technical graphics.
• Microphones and cameras are input devices.
• Barcode scanners capture coded data.
• Microphones and cameras are input devices.
• Barcode scanners capture coded data.
వివరణ:
Question 71
ప్రశ్న 71
Which query type adds records to an existing table?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Append queries insert new records into an existing table.
• Update queries modify existing records.
• Delete queries remove records.
• Update queries modify existing records.
• Delete queries remove records.
వివరణ:
Question 72
ప్రశ్న 72
Which ROM type is traditionally erased using ultraviolet light before reprogramming?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• EPROM can be erased using ultraviolet light.
• PROM is generally one-time programmable.
• EEPROM is electrically erasable.
• PROM is generally one-time programmable.
• EEPROM is electrically erasable.
వివరణ:
Question 73
ప్రశ్న 73
A password plus a PIN normally represents what?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Passwords and PINs are both knowledge factors.
• Using two secrets from the same category is not two-factor authentication by itself.
• Factor diversity is required for true MFA.
• Using two secrets from the same category is not two-factor authentication by itself.
• Factor diversity is required for true MFA.
వివరణ:
Question 74
ప్రశ్న 74
Which Access feature enforces valid relationships so that a foreign key does not reference a nonexistent related record?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Referential integrity preserves valid relationships between related tables.
• It can prevent orphaned references.
• The other features belong to different applications.
• It can prevent orphaned references.
• The other features belong to different applications.
వివరణ:
Question 75
ప్రశ్న 75
A preemptive scheduler stops Process P1, runs Process P2, and later resumes P1 from where it stopped. Which operation makes this possible?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The operating system saves P1's execution state and restores P2's state before the CPU switches tasks.
• The saved state can include registers, program-counter information and other process context.
• This save-and-restore operation is called a context switch.
• The saved state can include registers, program-counter information and other process context.
• This save-and-restore operation is called a context switch.
వివరణ:
Question 76
ప్రశ్న 76
Which memory hierarchy order is correct from fastest/smallest to slower/larger?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Registers are fastest and smallest.
• Caches sit between CPU and main memory.
• Secondary storage is much larger but slower.
• Caches sit between CPU and main memory.
• Secondary storage is much larger but slower.
వివరణ:
Question 77
ప్రశ్న 77
A presenter wants a custom subset of slides in a particular order without deleting the others. Which feature is appropriate?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Custom Slide Show defines a selected subset and sequence.
• The original presentation remains intact.
• Masters control layout and printed materials instead.
• The original presentation remains intact.
• Masters control layout and printed materials instead.
వివరణ:
Question 78
ప్రశ్న 78
Which connector is normally used for wired Ethernet networking on a PC NIC?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Twisted-pair Ethernet commonly uses RJ45-style connectors.
• HDMI and VGA are display interfaces.
• A 3.5 mm jack is used for analog audio.
• HDMI and VGA are display interfaces.
• A 3.5 mm jack is used for analog audio.
వివరణ:
Question 79
ప్రశ్న 79
Which chart is generally most appropriate for showing a trend over ordered time periods?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Line charts are commonly used for ordered time-series trends.
• The connected sequence emphasizes change over time.
• Other chart types serve different comparison purposes.
• The connected sequence emphasizes change over time.
• Other chart types serve different comparison purposes.
వివరణ:
Question 80
ప్రశ్న 80
Which print layout displays one slide together with its speaker notes?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Notes Pages combine a slide image with its associated notes.
• They are useful for presenter reference.
• Handouts mainly arrange slide thumbnails for distribution.
• They are useful for presenter reference.
• Handouts mainly arrange slide thumbnails for distribution.
వివరణ:
Question 81
ప్రశ్న 81
Which statement correctly distinguishes a scanner from a printer?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Scanners capture physical documents into digital form.
• Printers produce physical output from digital data.
• Their primary data directions are opposite.
• Printers produce physical output from digital data.
• Their primary data directions are opposite.
వివరణ:
Question 82
ప్రశ్న 82
Which statement correctly distinguishes the Internet from an intranet?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Internet provides global interconnection.
• An intranet serves a restricted organizational community.
• Intranets can use common Internet technologies.
• An intranet serves a restricted organizational community.
• Intranets can use common Internet technologies.
వివరణ:
Question 83
ప్రశ్న 83
Which reference keeps both column F and row 1 fixed when copied?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A dollar sign fixes the component that follows it.
• $F$1 fixes both column and row.
• The other references are mixed or relative.
• $F$1 fixes both column and row.
• The other references are mixed or relative.
వివరణ:
Question 84
ప్రశ్న 84
Which Access object physically stores records and fields?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Tables are the primary storage objects for structured records.
• Fields define columns and records occupy rows.
• Forms and reports present or interact with data.
• Fields define columns and records occupy rows.
• Forms and reports present or interact with data.
వివరణ:
Question 85
ప్రశ్న 85
Which statement best describes the function of the Control Unit in a CPU?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Control Unit coordinates the fetch–decode–execute process.
• It issues control signals to processor components.
• Storage, power conversion and firewall functions are unrelated.
• It issues control signals to processor components.
• Storage, power conversion and firewall functions are unrelated.
వివరణ:
Question 86
ప్రశ్న 86
A service configured as Automatic fails during startup. What should be checked first?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Services shows startup configuration and dependencies.
• Event Viewer can provide service-control errors.
• Unrelated UI settings cannot explain service startup failure.
• Event Viewer can provide service-control errors.
• Unrelated UI settings cannot explain service startup failure.
వివరణ:
Question 87
ప్రశ్న 87
What is the primary purpose of encryption?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Encryption protects information from unauthorized disclosure.
• Authorized parties use appropriate keys to decrypt.
• Storage layout and scheduling are different functions.
• Authorized parties use appropriate keys to decrypt.
• Storage layout and scheduling are different functions.
వివరణ:
Question 88
ప్రశ్న 88
A1:A5 contain 10,20,30,40,50. What does =COUNTIF(A1:A5,">25") return?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Values greater than 25 are 30, 40 and 50.
• COUNTIF counts cells meeting the criterion.
• Therefore the result is 3.
• COUNTIF counts cells meeting the criterion.
• Therefore the result is 3.
వివరణ:
Question 89
ప్రశ్న 89
Which Word feature can replace repeated text and optionally specified formatting throughout a document?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Find and Replace searches for matching text or formatting.
• It can replace repeated content efficiently.
• Goal Seek belongs to Excel.
• It can replace repeated content efficiently.
• Goal Seek belongs to Excel.
వివరణ:
Question 90
ప్రశ్న 90
A USB keyboard works in one port but not another. What is the best next troubleshooting step?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The keyboard is known to work elsewhere.
• Testing the suspect port with another device helps isolate the port/controller path.
• Device Manager can reveal controller or driver issues.
• Testing the suspect port with another device helps isolate the port/controller path.
• Device Manager can reveal controller or driver issues.
వివరణ:
Question 91
ప్రశ్న 91
A remote laptop is infected with malware but establishes a correctly encrypted VPN. Which statement is correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• VPNs protect the communication path.
• Malware already running on the endpoint remains a risk.
• Endpoint security is still required.
• Malware already running on the endpoint remains a risk.
• Endpoint security is still required.
వివరణ:
Question 92
ప్రశ్న 92
In a star topology, which failure can affect all connected endpoints?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• All endpoints depend on the central device.
• Failure of one access cable usually affects only that endpoint.
• The central device is therefore a common point of failure.
• Failure of one access cable usually affects only that endpoint.
• The central device is therefore a common point of failure.
వివరణ:
Question 93
ప్రశ్న 93
A laser printer outputs pages with toner that easily rubs off. Which component should be investigated first?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The fuser uses heat and pressure to bond toner to paper.
• Poor fusing can cause loose toner.
• Scanner and network components do not perform toner bonding.
• Poor fusing can cause loose toner.
• Scanner and network components do not perform toner bonding.
వివరణ:
Question 94
ప్రశ్న 94
Four 8 GiB DIMMs are installed in a system. What is the total nominal memory capacity?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Four modules each provide 8 GiB.
• 4 × 8 = 32 GiB.
• Actual usable memory can be slightly lower because of hardware mappings, but nominal capacity is 32 GiB.
• 4 × 8 = 32 GiB.
• Actual usable memory can be slightly lower because of hardware mappings, but nominal capacity is 32 GiB.
వివరణ:
Question 95
ప్రశ్న 95
Which Word option allows a different header on the first page of a section?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Different First Page separates first-page header/footer content.
• It is useful for title pages and chapter openings.
• The other features control different formatting behavior.
• It is useful for title pages and chapter openings.
• The other features control different formatting behavior.
వివరణ:
Question 96
ప్రశ్న 96
Which statement best defines a process?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A process is an executing instance of program code.
• It has state, memory and other OS-managed resources.
• A program file alone is passive.
• It has state, memory and other OS-managed resources.
• A program file alone is passive.
వివరణ:
Question 97
ప్రశ్న 97
A process needs more address space than can remain resident in physical RAM at one time. Which operating-system mechanism can keep only needed pages in RAM while other pages reside in backing storage?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Virtual memory allows a process to use an address-space abstraction larger than the pages currently resident in RAM.
• The operating system can move pages between physical memory and backing storage as needed.
• This mechanism extends memory management but does not eliminate the need for RAM.
• The operating system can move pages between physical memory and backing storage as needed.
• This mechanism extends memory management but does not eliminate the need for RAM.
వివరణ:
Question 98
ప్రశ్న 98
A forensic workstation loses all unsaved application data after an unexpected power failure, while files already saved to SSD remain available. Which property of ordinary system RAM explains the loss?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Ordinary system RAM is volatile and requires power to retain its contents.
• Active application data that had not been saved to nonvolatile storage can therefore disappear after power loss.
• SSD storage is nonvolatile, so previously saved files remain stored.
• Active application data that had not been saved to nonvolatile storage can therefore disappear after power loss.
• SSD storage is nonvolatile, so previously saved files remain stored.
వివరణ:
Question 99
ప్రశ్న 99
Which device is specifically designed to read marked positions on standardized answer sheets?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• OMR detects marked response positions.
• OCR recognizes printed characters.
• MICR reads magnetic-ink characters.
• OCR recognizes printed characters.
• MICR reads magnetic-ink characters.
వివరణ:
Question 100
ప్రశ్న 100
A monitor displays 'No Signal' while the PC is running. Which check is most appropriate first?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• No Signal commonly indicates missing video input.
• Cable, input source and graphics-output selection are immediate checks.
• Database and printer settings are unrelated.
• Cable, input source and graphics-output selection are immediate checks.
• Database and printer settings are unrelated.
వివరణ:
Question 101
ప్రశ్న 101
What is returned by =MOD(29,6)?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 29 = 6×4 + 5.
• MOD returns the remainder.
• Therefore the result is 5.
• MOD returns the remainder.
• Therefore the result is 5.
వివరణ:
Question 102
ప్రశ్న 102
UEFI detects an SSD correctly, but reports no bootable operating system. The SSD is known to be blank. What should be done next?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Firmware detection confirms that the storage hardware is visible.
• A blank SSD contains no boot loader or operating-system files.
• Installing or restoring a bootable system is therefore required.
• A blank SSD contains no boot loader or operating-system files.
• Installing or restoring a bootable system is therefore required.
వివరణ:
Question 103
ప్రశ్న 103
Which OS function allows many applications to share a printer by placing print jobs in a queue?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Spooling queues output jobs for a slower shared device.
• The printer can process jobs sequentially.
• Paging and encryption solve different problems.
• The printer can process jobs sequentially.
• Paging and encryption solve different problems.
వివరణ:
Question 104
ప్రశ్న 104
Which query summarizes values in a matrix using row and column headings?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Crosstab queries create matrix-style summaries.
• They use row and column headings with aggregate values.
• Action queries serve different purposes.
• They use row and column headings with aggregate values.
• Action queries serve different purposes.
వివరణ:
Question 105
ప్రశ్న 105
Windows fails to start after a recent driver installation. Which recovery approach should be tried before reinstalling the OS?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Windows Recovery Environment provides targeted repair options.
• Driver-related failures may be recoverable without reinstalling the OS.
• Destructive actions should not be the first step.
• Driver-related failures may be recoverable without reinstalling the OS.
• Destructive actions should not be the first step.
వివరణ:
Question 106
ప్రశ్న 106
Which Windows tool is used to inspect hardware devices and their drivers?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Device Manager lists hardware devices and driver status.
• It supports enabling, disabling and driver-related actions.
• Event Viewer serves a different diagnostic role.
• It supports enabling, disabling and driver-related actions.
• Event Viewer serves a different diagnostic role.
వివరణ:
Question 107
ప్రశ్న 107
A system powers on only after the PSU's modular CPU power cable is moved to the correct PSU socket. What was the original fault?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The CPU requires the correct power connection from the PSU.
• A misconnected modular cable can prevent startup.
• Storage and networking are unrelated to this electrical fault.
• A misconnected modular cable can prevent startup.
• Storage and networking are unrelated to this electrical fault.
వివరణ:
Question 108
ప్రశ్న 108
Excessive page faults causing very low useful CPU progress are characteristic of which condition?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Thrashing occurs when the system spends excessive time paging.
• Useful execution falls because the working set does not fit effectively in memory.
• It is a virtual-memory performance condition.
• Useful execution falls because the working set does not fit effectively in memory.
• It is a virtual-memory performance condition.
వివరణ:
Question 109
ప్రశ్న 109
A CPU designer chooses SRAM for on-chip cache and DRAM for large-capacity main memory. Which technical comparison best explains this choice?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• SRAM is generally faster and does not require periodic refresh, making it suitable for cache.
• DRAM offers greater density and lower cost per bit but requires refresh, making it suitable for main memory.
• The different trade-offs explain their common roles in the memory hierarchy.
• DRAM offers greater density and lower cost per bit but requires refresh, making it suitable for main memory.
• The different trade-offs explain their common roles in the memory hierarchy.
వివరణ:
Question 110
ప్రశ్న 110
A running process requests disk I/O and cannot continue until the request finishes. Which state transition normally occurs?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A process waiting for I/O cannot continue execution.
• The OS moves it to a waiting/blocked state.
• It can return to ready after the event completes.
• The OS moves it to a waiting/blocked state.
• It can return to ready after the event completes.
వివరణ:
Question 111
ప్రశ్న 111
Which OS feature provides each process with its own protected address-space abstraction?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Operating systems isolate process memory using virtual addressing/protection.
• This reduces accidental interference between processes.
• Peripheral and networking features are unrelated.
• This reduces accidental interference between processes.
• Peripheral and networking features are unrelated.
వివరణ:
Question 112
ప్రశ్న 112
Which network type is most appropriate for connecting offices in several distant cities?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• WANs cover large geographic distances.
• Multi-city organizational connectivity is a typical use case.
• Topology terms do not replace network-scope classifications.
• Multi-city organizational connectivity is a typical use case.
• Topology terms do not replace network-scope classifications.
వివరణ:
Question 113
ప్రశ్న 113
A computer can enter firmware setup but freezes before any operating-system boot attempt. Which troubleshooting approach is most appropriate?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Freezing before OS boot suggests firmware or hardware causes.
• Reducing the system to essential components helps isolate faults.
• Application settings are not active at this stage.
• Reducing the system to essential components helps isolate faults.
• Application settings are not active at this stage.
వివరణ:
Question 114
ప్రశ్న 114
Which command makes a successful transaction's changes permanent?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• COMMIT completes the transaction and makes its changes durable.
• ROLLBACK cancels applicable uncommitted changes.
• SELECT retrieves data.
• ROLLBACK cancels applicable uncommitted changes.
• SELECT retrieves data.
వివరణ:
Question 115
ప్రశ్న 115
A PC has a working integrated GPU and a newly installed discrete GPU. No video appears when the monitor is connected to the motherboard video output after firmware selects the discrete GPU as primary. What is the best first check?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Firmware may select the discrete adapter as the primary display device.
• The monitor should be connected to the active adapter's output.
• Storage maintenance is unrelated to this display-routing issue.
• The monitor should be connected to the active adapter's output.
• Storage maintenance is unrelated to this display-routing issue.
వివరణ:
Question 116
ప్రశ్న 116
Which ACID property requires committed changes to survive subsequent failures?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Durability concerns persistence after commit.
• Recovery mechanisms help preserve committed data.
• It is distinct from atomicity and isolation.
• Recovery mechanisms help preserve committed data.
• It is distinct from atomicity and isolation.
వివరణ:
Question 117
ప్రశ్న 117
Which Windows tool is best for examining Application, System and Security event logs?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Event Viewer displays recorded Windows and application events.
• Errors and warnings can help diagnose failures.
• Task Scheduler manages triggered tasks.
• Errors and warnings can help diagnose failures.
• Task Scheduler manages triggered tasks.
వివరణ:
Question 118
ప్రశ్న 118
Which service translates domain names into information such as IP addresses?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• DNS provides distributed name resolution.
• Applications use it to resolve human-readable names.
• DHCP supplies host configuration instead.
• Applications use it to resolve human-readable names.
• DHCP supplies host configuration instead.
వివరణ:
Question 119
ప్రశ్న 119
What does the degree of a relation normally refer to?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Degree is the number of attributes in the relation.
• Cardinality counts rows.
• The terms describe table structure.
• Cardinality counts rows.
• The terms describe table structure.
వివరణ:
Question 120
ప్రశ్న 120
A PC starts only when the case power switch is bypassed using the motherboard's power-switch pins. Which component is most likely faulty?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Bypassing the switch proves that the motherboard can respond to the power-on signal.
• The remaining likely fault is the switch or its wiring.
• Storage and software are unrelated to the initial power-on signal.
• The remaining likely fault is the switch or its wiring.
• Storage and software are unrelated to the initial power-on signal.
వివరణ:
Question 121
ప్రశ్న 121
Antivirus software flags a legitimate file as malicious. What is this called?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A false positive is an incorrect malware detection on benign content.
• A false negative is malware that is missed.
• The distinction matters in security operations.
• A false negative is malware that is missed.
• The distinction matters in security operations.
వివరణ:
Question 122
ప్రశ్న 122
Which statement best describes a database view?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A conventional view stores a query definition rather than independent duplicate rows.
• It presents derived data as a virtual table.
• It is a logical database object.
• It presents derived data as a virtual table.
• It is a logical database object.
వివరణ:
Question 123
ప్రశ్న 123
Which operation evenly spaces selected objects horizontally on a slide?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Distribute Horizontally equalizes spacing among selected objects.
• Alignment and distribution are distinct operations.
• Grouping does not itself equalize spacing.
• Alignment and distribution are distinct operations.
• Grouping does not itself equalize spacing.
వివరణ:
Question 124
ప్రశ్న 124
A style named 'Case Heading' is applied to 120 headings. How should all be changed consistently?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Styles centralize reusable formatting.
• Changing the style updates text that uses it.
• This is more efficient and consistent than manual edits.
• Changing the style updates text that uses it.
• This is more efficient and consistent than manual edits.
వివరణ:
Question 125
ప్రశ్న 125
A standard user needs one administrative action. Which Windows mechanism can prompt for administrator consent or credentials rather than permanently making the user an administrator?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• UAC supports privilege elevation for administrative operations.
• It helps reduce unnecessary continuous administrator use.
• RAID and DNS solve unrelated problems.
• It helps reduce unnecessary continuous administrator use.
• RAID and DNS solve unrelated problems.
వివరణ:
Question 126
ప్రశ్న 126
Which command displays active connections, listening ports and related TCP/IP statistics?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• netstat reports network connections and listening endpoints.
• It is useful for troubleshooting network activity.
• MD, COPY and CLS are file/shell commands.
• It is useful for troubleshooting network activity.
• MD, COPY and CLS are file/shell commands.
వివరణ:
Question 127
ప్రశ్న 127
Which statement about kernel mode and user mode is correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Privilege separation protects system integrity.
• The kernel performs trusted operations requiring elevated privilege.
• Applications normally run with restricted user-mode privileges.
• The kernel performs trusted operations requiring elevated privilege.
• Applications normally run with restricted user-mode privileges.
వివరణ:
Question 128
ప్రశ్న 128
A system repeatedly emits a memory-related POST code after RAM installation. Which troubleshooting sequence is best?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The failure occurs before operating-system loading and points to memory initialization.
• Reseating and isolating modules or slots is a standard hardware troubleshooting method.
• Formatting a drive cannot correct a pre-boot RAM fault.
• Reseating and isolating modules or slots is a standard hardware troubleshooting method.
• Formatting a drive cannot correct a pre-boot RAM fault.
వివరణ:
Question 129
ప్రశ్న 129
Which field property is best for enforcing an entry pattern such as a formatted telephone number?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Input Mask controls the pattern of characters entered.
• It guides structured data entry.
• Validation Rule instead checks value conditions.
• It guides structured data entry.
• Validation Rule instead checks value conditions.
వివరణ:
Question 130
ప్రశ్న 130
Which feature controls entrance, emphasis, exit or motion effects applied to slide objects?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Animations affect objects such as text and shapes.
• Transitions affect slide-to-slide changes.
• The other features belong to different Office tasks.
• Transitions affect slide-to-slide changes.
• The other features belong to different Office tasks.
వివరణ:
Question 131
ప్రశ్న 131
Which view displays many slide thumbnails for rapid reordering?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Slide Sorter provides a thumbnail overview.
• Slides can be reordered efficiently there.
• Presenter View is used during delivery.
• Slides can be reordered efficiently there.
• Presenter View is used during delivery.
వివరణ:
Question 132
ప్రశ్న 132
Which peripheral is used to capture magnetic-ink characters printed on cheques?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• MICR reads specially printed magnetic-ink characters.
• It has traditionally been used in banking documents.
• OMR and plotters serve different purposes.
• It has traditionally been used in banking documents.
• OMR and plotters serve different purposes.
వివరణ:
Question 133
ప్రశ్న 133
Which feature is best for restricting cell entries to Open, Pending or Closed?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Data Validation can restrict allowed values.
• List validation provides a controlled drop-down.
• This improves consistency of data entry.
• List validation provides a controlled drop-down.
• This improves consistency of data entry.
వివరణ:
Question 134
ప్రశ్న 134
Which cache principle describes the tendency to access data located near recently accessed addresses?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Spatial locality concerns nearby memory locations.
• Sequential instruction execution is a common example.
• Temporal locality instead concerns repeated reuse of the same item.
• Sequential instruction execution is a common example.
• Temporal locality instead concerns repeated reuse of the same item.
వివరణ:
Question 135
ప్రశ్న 135
Which feature allows a shape to jump to another specified slide during a slide show?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Hyperlinks and Actions can navigate to another slide.
• They support interactive presentations.
• Masters control design rather than navigation.
• They support interactive presentations.
• Masters control design rather than navigation.
వివరణ:
Question 136
ప్రశ్న 136
A desktop emits a firmware error code before any boot device is accessed. Which startup stage is responsible for this early hardware initialization/checking behavior?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• POST occurs during the firmware-controlled startup phase before the operating system begins loading.
• It helps initialize hardware and identify certain early hardware problems.
• Because the error occurs before boot-device access, operating-system troubleshooting is premature.
• It helps initialize hardware and identify certain early hardware problems.
• Because the error occurs before boot-device access, operating-system troubleshooting is premature.
వివరణ:
Question 137
ప్రశ్న 137
Which VPN arrangement is most appropriate for securely connecting two branch-office networks over the Internet?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A site-to-site VPN connects protected networks through VPN gateways.
• It is commonly used between branch offices.
• Loopback and RAID are unrelated.
• It is commonly used between branch offices.
• Loopback and RAID are unrelated.
వివరణ:
Question 138
ప్రశ్న 138
A report is grouped by District and must show a subtotal after each district. Where should the subtotal control normally be placed?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A group footer appears after each group.
• Placing the subtotal there calculates one total per district.
• A report footer is more appropriate for a grand total.
• Placing the subtotal there calculates one total per district.
• A report footer is more appropriate for a grand total.
వివరణ:
Question 139
ప్రశ్న 139
A scanner produces a blurred image only when the document is moved during scanning. What should be checked first?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Scanner quality depends on stable document placement and optical path.
• Simple physical causes should be checked before deeper hardware replacement.
• CPU, RAID and DNS are unrelated.
• Simple physical causes should be checked before deeper hardware replacement.
• CPU, RAID and DNS are unrelated.
వివరణ:
Question 140
ప్రశ్న 140
One page in the middle of a Word document must be landscape while surrounding pages remain portrait. What should be used?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Section breaks allow independent page-layout settings.
• The target page can be isolated in its own section.
• A normal page break does not create a separate formatting section.
• The target page can be isolated in its own section.
• A normal page break does not create a separate formatting section.
వివరణ:
Question 141
ప్రశ్న 141
Which ACID property provides all-or-nothing transaction behavior?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Atomicity requires the entire transaction to succeed or be rolled back.
• Partial completion is not allowed as the final transaction outcome.
• Other ACID properties address different guarantees.
• Partial completion is not allowed as the final transaction outcome.
• Other ACID properties address different guarantees.
వివరణ:
Question 142
ప్రశ్న 142
Which protocol is normally used to securely access websites with TLS protection?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• HTTPS is HTTP carried over TLS.
• It provides encrypted web communication and server authentication mechanisms.
• Telnet is not a secure web protocol.
• It provides encrypted web communication and server authentication mechanisms.
• Telnet is not a secure web protocol.
వివరణ:
Question 143
ప్రశ్న 143
Which firewall mechanism acts as an application-aware intermediary between clients and destination servers?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• An application proxy terminates/mediates application communications.
• It can apply application-aware controls.
• It is more than simple packet forwarding.
• It can apply application-aware controls.
• It is more than simple packet forwarding.
వివరణ:
Question 144
ప్రశ్న 144
Which command cancels applicable uncommitted transaction changes?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• ROLLBACK undoes applicable uncommitted changes.
• COMMIT does the opposite by making changes permanent.
• ORDER BY only affects result ordering.
• COMMIT does the opposite by making changes permanent.
• ORDER BY only affects result ordering.
వివరణ:
Question 145
ప్రశ్న 145
Cell E2 contains =$B2*C$1 and is copied to G5. What formula appears in G5?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The copy moves two columns right and three rows down.
• $B2 becomes $B5 because column B is fixed and the row is relative.
• C$1 becomes E$1 because row 1 is fixed and the column is relative.
• $B2 becomes $B5 because column B is fixed and the row is relative.
• C$1 becomes E$1 because row 1 is fixed and the column is relative.
వివరణ:
Question 146
ప్రశ్న 146
An AutoNumber primary key in one Access table is referenced from another table. Which foreign-key field type is normally appropriate?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Access AutoNumber commonly uses a Long Integer-sized numeric value for relationships.
• The matching foreign key is therefore Number/Long Integer.
• Text and attachment types do not match the numeric key.
• The matching foreign key is therefore Number/Long Integer.
• Text and attachment types do not match the numeric key.
వివరణ:
Question 147
ప్రశ్న 147
Which motherboard component stores firmware settings such as boot configuration in modern systems, with nonvolatile storage assisted by firmware mechanisms rather than main RAM?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Firmware settings are retained independently of ordinary volatile RAM.
• Modern firmware stores configuration in nonvolatile mechanisms.
• CPU cache and application buffers are unrelated.
• Modern firmware stores configuration in nonvolatile mechanisms.
• CPU cache and application buffers are unrelated.
వివరణ:
Question 148
ప్రశ్న 148
A2 contains 240 and B2 contains 15%. What does =A2*(1-B2) return?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 15% = 0.15.
• 1−0.15 = 0.85.
• 240×0.85 = 204.
• 1−0.15 = 0.85.
• 240×0.85 = 204.
వివరణ:
Question 149
ప్రశ్న 149
Which Word feature is most suitable for adding explanatory notes at the bottom of a page linked to reference marks in the text?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Footnotes attach reference notes to text and display them at the bottom of the page.
• They are commonly used in formal documents.
• The distractors belong to other applications.
• They are commonly used in formal documents.
• The distractors belong to other applications.
వివరణ:
Question 150
ప్రశ్న 150
A workstation can reach a server by IP address but not by hostname. Which service should be checked first?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Successful IP communication confirms basic network reachability.
• Failure only by name strongly points to name resolution.
• DNS resolves hostnames to IP information.
• Failure only by name strongly points to name resolution.
• DNS resolves hostnames to IP information.
వివరణ:
Question 151
ప్రశ్న 151
A motherboard supports dual-channel memory. Which installation practice is generally required to obtain dual-channel operation?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Dual-channel operation depends on the motherboard's channel topology.
• Manufacturers specify which paired DIMM slots should be populated.
• PCIe slots are not memory slots.
• Manufacturers specify which paired DIMM slots should be populated.
• PCIe slots are not memory slots.
వివరణ:
Question 152
ప్రశ్న 152
Which cache principle explains why recently used data is likely to be used again soon?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Temporal locality describes reuse of recently accessed items.
• Caches exploit this behavior to improve hit rates.
• Spatial locality concerns nearby addresses rather than reuse over time.
• Caches exploit this behavior to improve hit rates.
• Spatial locality concerns nearby addresses rather than reuse over time.
వివరణ:
Question 153
ప్రశ్న 153
Which file-system role belongs to an operating system?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The OS provides file and directory services.
• It manages naming, access and metadata.
• Power, cooling and modem functions are hardware-related.
• It manages naming, access and metadata.
• Power, cooling and modem functions are hardware-related.
వివరణ:
Question 154
ప్రశ్న 154
Which protocol is commonly used to automatically assign IP configuration to client devices?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• DHCP provides addresses and related configuration.
• It can supply subnet mask, gateway and DNS options.
• HTTP, POP3 and FTP serve different purposes.
• It can supply subnet mask, gateway and DNS options.
• HTTP, POP3 and FTP serve different purposes.
వివరణ:
Question 155
ప్రశ్న 155
Which device converts acoustic sound into an electrical/digital signal for computer input?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A microphone is an audio input device.
• Speakers convert electrical signals into sound output.
• Projectors and plotters are output devices.
• Speakers convert electrical signals into sound output.
• Projectors and plotters are output devices.
వివరణ:
Question 156
ప్రశ్న 156
Two independently edited versions of a Word file must be compared. Which feature is most appropriate?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Compare identifies differences between document versions.
• It is useful when edits were made separately.
• Track Changes is more useful when revision tracking was active during editing.
• It is useful when edits were made separately.
• Track Changes is more useful when revision tracking was active during editing.
వివరణ:
Question 157
ప్రశ్న 157
A motherboard specification states that a CPU model is unsupported despite fitting the same socket mechanically. What additional factor can explain the incompatibility?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Mechanical socket fit alone does not guarantee processor support.
• Chipset and firmware must support the CPU electrically and logically.
• Display and application settings are irrelevant.
• Chipset and firmware must support the CPU electrically and logically.
• Display and application settings are irrelevant.
వివరణ:
Question 158
ప్రశ్న 158
Which Run command opens Disk Management?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• diskmgmt.msc opens Disk Management.
• The tool manages disks, partitions, volumes and drive letters.
• Services and Calculator do not perform disk management.
• The tool manages disks, partitions, volumes and drive letters.
• Services and Calculator do not perform disk management.
వివరణ:
Question 159
ప్రశ్న 159
What is the primary purpose of a cryptographic hash?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Hash functions produce fixed-size digests.
• They are designed as one-way transformations.
• Hash comparison can help detect data changes.
• They are designed as one-way transformations.
• Hash comparison can help detect data changes.
వివరణ:
Question 160
ప్రశ్న 160
Which feature allows the presenter to see notes and upcoming slides while the audience sees only the current slide?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Presenter View provides presenter-only information on a separate display.
• The audience continues to see the slide show.
• It is a delivery aid.
• The audience continues to see the slide show.
• It is a delivery aid.
వివరణ:
Question 161
ప్రశ్న 161
What is returned by =ROUNDUP(12.341,2)?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• ROUNDUP rounds away from zero.
• At two decimal places, 12.341 becomes 12.35.
• It does not use ordinary nearest rounding.
• At two decimal places, 12.341 becomes 12.35.
• It does not use ordinary nearest rounding.
వివరణ:
Question 162
ప్రశ్న 162
Which basic firewall mechanism evaluates packet-header fields such as IP addresses, protocol and ports without maintaining full connection state?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Stateless filters evaluate packets against rules independently.
• Typical fields include addresses, protocols and ports.
• They do not maintain per-connection state like stateful firewalls.
• Typical fields include addresses, protocols and ports.
• They do not maintain per-connection state like stateful firewalls.
వివరణ:
Question 163
ప్రశ్న 163
Which feature is used to record narration and timing for a presentation?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Record Slide Show can capture narration and slide timing.
• This supports self-running or recorded presentations.
• PivotTables and crosstab queries belong elsewhere.
• This supports self-running or recorded presentations.
• PivotTables and crosstab queries belong elsewhere.
వివరణ:
Question 164
ప్రశ్న 164
Which Run command opens the Services management console?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• services.msc opens the Services console.
• It allows viewing and managing Windows services.
• The other commands open different administrative tools.
• It allows viewing and managing Windows services.
• The other commands open different administrative tools.
వివరణ:
Question 165
ప్రశ్న 165
Which component provides the physical and electrical interface between a compatible desktop processor and the motherboard?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The processor is installed into a compatible CPU socket.
• Socket type is a major motherboard–processor compatibility requirement.
• DIMM and storage connectors serve different hardware classes.
• Socket type is a major motherboard–processor compatibility requirement.
• DIMM and storage connectors serve different hardware classes.
వివరణ:
Question 166
ప్రశ్న 166
Which bus or interface is primarily used for high-speed point-to-point expansion devices on modern PCs?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• PCI Express is the standard high-speed expansion interconnect in modern PCs.
• It supports graphics, storage and other expansion devices.
• Legacy interfaces are not the main modern expansion bus.
• It supports graphics, storage and other expansion devices.
• Legacy interfaces are not the main modern expansion bus.
వివరణ:
Question 167
ప్రశ్న 167
Which function returns the largest numeric value in a range?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• MAX returns the largest numeric value.
• MIN returns the smallest.
• COUNT counts numeric cells.
• MIN returns the smallest.
• COUNT counts numeric cells.
వివరణ:
Question 168
ప్రశ్న 168
Which statement about ECC memory is correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• ECC adds error-detection/correction information.
• Common ECC implementations can correct certain single-bit errors.
• It does not make memory persistent or replace backups.
• Common ECC implementations can correct certain single-bit errors.
• It does not make memory persistent or replace backups.
వివరణ:
Question 169
ప్రశ్న 169
Which function returns the number of blank cells in a range?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• COUNTBLANK counts empty cells.
• COUNTA counts non-empty cells.
• COUNT counts numeric cells.
• COUNTA counts non-empty cells.
• COUNT counts numeric cells.
వివరణ:
Question 170
ప్రశ్న 170
A process moves from Waiting/Blocked to Ready. What has most likely happened?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Completion of the awaited event makes the process runnable again.
• It enters the ready state to await CPU scheduling.
• This is a normal state transition.
• It enters the ready state to await CPU scheduling.
• This is a normal state transition.
వివరణ:
Question 171
ప్రశ్న 171
Which component normally provides high-speed temporary storage directly inside the CPU for operands, addresses and intermediate results?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Registers are located inside the processor and are extremely fast.
• They hold values needed directly during instruction execution.
• Secondary storage and power devices perform different functions.
• They hold values needed directly during instruction execution.
• Secondary storage and power devices perform different functions.
వివరణ:
Question 172
ప్రశ్న 172
What does the cardinality of a relation normally refer to?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Cardinality is the number of tuples in a relation.
• Degree is the number of attributes/columns.
• These are relational terminology concepts.
• Degree is the number of attributes/columns.
• These are relational terminology concepts.
వివరణ:
Question 173
ప్రశ్న 173
Process P1 owns a printer resource and waits for a scanner resource, while Process P2 owns the scanner resource and waits for the printer resource. Neither can proceed. What condition is illustrated?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Each process is waiting for a resource held by the other, creating a circular wait.
• Without intervention, neither process can continue.
• This is the classic resource-allocation condition known as deadlock.
• Without intervention, neither process can continue.
• This is the classic resource-allocation condition known as deadlock.
వివరణ:
Question 174
ప్రశ్న 174
A PC has 16 GiB of RAM. Using 1 GiB = 1024 MiB, how many MiB is this?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Binary conversion uses 1024 MiB per GiB.
• 16 × 1024 = 16384.
• Therefore 16 GiB equals 16384 MiB.
• 16 × 1024 = 16384.
• Therefore 16 GiB equals 16384 MiB.
వివరణ:
Question 175
ప్రశ్న 175
Which Windows command displays detailed TCP/IP configuration including DHCP and DNS information?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• ipconfig /all displays detailed network-adapter configuration.
• It includes addresses, DHCP and DNS information.
• ATTRIB, TREE and REN are file-related commands.
• It includes addresses, DHCP and DNS information.
• ATTRIB, TREE and REN are file-related commands.
వివరణ:
Question 176
ప్రశ్న 176
Which constraint is best suited to enforcing Salary >= 0?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• CHECK enforces a Boolean condition on stored values.
• A rule such as Salary >= 0 can be validated during insert/update.
• ORDER BY and COMMIT are different SQL functions.
• A rule such as Salary >= 0 can be validated during insert/update.
• ORDER BY and COMMIT are different SQL functions.
వివరణ:
Question 177
ప్రశ్న 177
A desktop powers on after assembly, but immediately shuts down because the CPU temperature rises abnormally fast. What is the most appropriate first action?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Rapid overheating after assembly strongly suggests a cooling-installation problem.
• The cooler must make proper contact and its fan must operate correctly.
• Continuing to run the system can cause thermal throttling or shutdown.
• The cooler must make proper contact and its fan must operate correctly.
• Continuing to run the system can cause thermal throttling or shutdown.
వివరణ:
Question 178
ప్రశ్న 178
Which normal form addresses transitive dependency of non-key attributes on other non-key attributes?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 3NF removes certain transitive dependencies among non-key attributes.
• This further reduces update anomalies.
• RAID is unrelated to database normalization.
• This further reduces update anomalies.
• RAID is unrelated to database normalization.
వివరణ:
Question 179
ప్రశ్న 179
Cell D4 contains =$B4+C$2 and is copied to F7. What formula appears?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The copy moves two columns right and three rows down.
• $B4 becomes $B7.
• C$2 becomes E$2.
• $B4 becomes $B7.
• C$2 becomes E$2.
వివరణ:
Question 180
ప్రశ్న 180
Which Windows utility can schedule programs or scripts to run at specified times or in response to triggers?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Task Scheduler creates tasks triggered by schedules or events.
• It is used for automation and maintenance jobs.
• Device Manager handles hardware devices.
• It is used for automation and maintenance jobs.
• Device Manager handles hardware devices.
వివరణ:
Question 181
ప్రశ్న 181
B2 contains 72 and C2 contains 58. What does =IF(AND(B2>=60,C2>=60),"PASS","FAIL") return?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• B2>=60 is TRUE.
• C2>=60 is FALSE, so AND is FALSE.
• The IF function therefore returns FAIL.
• C2>=60 is FALSE, so AND is FALSE.
• The IF function therefore returns FAIL.
వివరణ:
Question 182
ప్రశ్న 182
Which Excel feature visually highlights cells automatically when specified rules are met?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Conditional Formatting applies visual formats based on rules.
• It can highlight thresholds, duplicates and other conditions.
• The other options belong to different applications or concepts.
• It can highlight thresholds, duplicates and other conditions.
• The other options belong to different applications or concepts.
వివరణ:
Question 183
ప్రశ్న 183
A user successfully proves identity with a password and token but is still denied permission to open an administrator-only folder. Which distinction explains the result?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Authentication establishes confidence in the user's identity.
• Authorization determines what that authenticated identity is permitted to access.
• Successful authentication therefore does not automatically grant administrator-level permissions.
• Authorization determines what that authenticated identity is permitted to access.
• Successful authentication therefore does not automatically grant administrator-level permissions.
వివరణ:
Question 184
ప్రశ్న 184
Which statement about multitasking is correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Multitasking is managed through scheduling.
• On one CPU core, tasks share execution time.
• Multiple cores can add true parallelism but are not required for multitasking.
• On one CPU core, tasks share execution time.
• Multiple cores can add true parallelism but are not required for multitasking.
వివరణ:
Question 185
ప్రశ్న 185
Which Access query prompts the user for a value at run time and uses it as criteria?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Parameter queries request input when executed.
• The supplied value can be used in query criteria.
• This allows reusable interactive filtering.
• The supplied value can be used in query criteria.
• This allows reusable interactive filtering.
వివరణ:
Question 186
ప్రశ్న 186
B2:B5 contain 2,4,3,5 and C2:C5 contain 10,6,8,4. What is =SUMPRODUCT(B2:B5,C2:C5)?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Compute corresponding products: 20, 24, 24 and 20.
• Their sum is 88.
• SUMPRODUCT multiplies corresponding entries and sums the products.
• Their sum is 88.
• SUMPRODUCT multiplies corresponding entries and sums the products.
వివరణ:
Question 187
ప్రశ్న 187
Which feature is best for summarizing a large table interactively by categories and aggregates?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• PivotTables summarize and group tabular data.
• Fields can be rearranged interactively.
• The other features belong to different Office tasks.
• Fields can be rearranged interactively.
• The other features belong to different Office tasks.
వివరణ:
Question 188
ప్రశ్న 188
Two transactions overwrite each other's changes because both used an outdated original value. What anomaly is illustrated?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A lost update occurs when one concurrent modification overwrites another.
• Concurrency control can prevent this conflict.
• It is a transaction anomaly rather than a memory event.
• Concurrency control can prevent this conflict.
• It is a transaction anomaly rather than a memory event.
వివరణ:
Question 189
ప్రశ్న 189
Which pane can display document headings and support navigation in a long Word document?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Navigation Pane can show headings created with heading styles.
• Users can jump quickly between sections.
• The other items belong to different tools.
• Users can jump quickly between sections.
• The other items belong to different tools.
వివరణ:
Question 190
ప్రశ్న 190
Which term describes the technique of loading only the needed pages of a program into RAM as they are required?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Demand paging loads pages when they are first needed.
• It is a virtual-memory technique.
• RAID, Office and firewall functions are unrelated.
• It is a virtual-memory technique.
• RAID, Office and firewall functions are unrelated.
వివరణ:
Question 191
ప్రశ్న 191
Which network type normally covers a single building or campus environment?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• LAN means Local Area Network.
• It typically covers a limited local area.
• MAN and WAN span broader regions.
• It typically covers a limited local area.
• MAN and WAN span broader regions.
వివరణ:
Question 192
ప్రశ్న 192
A filtered Excel table should sum only rows remaining visible after the filter. Which formula is suitable?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• SUBTOTAL can ignore rows hidden by filtering.
• Function number 9 specifies SUM.
• A normal SUM does not automatically exclude filtered-out rows in the same way.
• Function number 9 specifies SUM.
• A normal SUM does not automatically exclude filtered-out rows in the same way.
వివరణ:
Question 193
ప్రశ్న 193
A newly assembled PC shows no fans, LEDs or POST activity. Which check should be performed first?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A completely dead system should first be checked for power delivery and front-panel wiring.
• The motherboard requires both main ATX power and the appropriate CPU power connection.
• Operating-system actions are irrelevant before the computer can power on.
• The motherboard requires both main ATX power and the appropriate CPU power connection.
• Operating-system actions are irrelevant before the computer can power on.
వివరణ:
Question 194
ప్రశ్న 194
Which query type changes field values in existing records matching criteria?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Update queries modify qualifying existing rows.
• Criteria determine which records are affected.
• Append queries instead add rows.
• Criteria determine which records are affected.
• Append queries instead add rows.
వివరణ:
Question 195
ప్రశ్న 195
A USB storage device is not recognized after connection. What is the best Windows troubleshooting sequence?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Start with physical connectivity and port testing.
• Then confirm whether Windows detects the hardware.
• Storage visibility can be checked in Device Manager and Disk Management.
• Then confirm whether Windows detects the hardware.
• Storage visibility can be checked in Device Manager and Disk Management.
వివరణ:
Question 196
ప్రశ్న 196
Which feature copies formatting from one text selection to another?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Format Painter copies formatting attributes.
• It does not copy data-processing logic.
• Goal Seek and Presenter View belong to other applications.
• It does not copy data-processing logic.
• Goal Seek and Presenter View belong to other applications.
వివరణ:
Question 197
ప్రశ్న 197
A workstation must send traffic from its local subnet to a remote subnet. Which network device normally examines the destination IP network and forwards the packet toward the next hop?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A router forwards IP packets between different networks.
• It uses routing information to choose an appropriate next hop for non-local destinations.
• Switches primarily forward Ethernet frames within a LAN rather than performing inter-network IP routing.
• It uses routing information to choose an appropriate next hop for non-local destinations.
• Switches primarily forward Ethernet frames within a LAN rather than performing inter-network IP routing.
వివరణ:
Question 198
ప్రశ్న 198
Which device primarily forwards Ethernet frames inside a LAN using MAC-address information?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Switches learn MAC addresses and forward frames within a LAN.
• They operate at the Ethernet link layer.
• The other devices are not frame-forwarding network devices.
• They operate at the Ethernet link layer.
• The other devices are not frame-forwarding network devices.
వివరణ:
Question 199
ప్రశ్న 199
A computer unexpectedly resets under heavy CPU/GPU load but is stable when idle. Which hardware area should be checked early in troubleshooting?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Heavy load increases power demand and heat generation.
• An inadequate PSU or thermal problem can cause resets under load.
• Office and DNS settings do not explain power-dependent resets.
• An inadequate PSU or thermal problem can cause resets under load.
• Office and DNS settings do not explain power-dependent resets.
వివరణ:
Question 200
ప్రశ్న 200
T1 holds lock A and waits for B while T2 holds B and waits for A. What is this condition?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The transactions form a circular wait.
• Neither can proceed without intervention.
• The DBMS may resolve the deadlock by aborting one participant.
• Neither can proceed without intervention.
• The DBMS may resolve the deadlock by aborting one participant.
వివరణ:
Answer Key సమాధానాల పట్టిక
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Question 1 ప్రశ్న 1Answer: B. Use a subform linked to the main form by CaseID. సమాధానం: B.
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Question 2 ప్రశ్న 2Answer: A. CPU registers సమాధానం: A.
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Question 3 ప్రశ్న 3Answer: A. NAT performs address translation but should not by itself be treated as a complete firewall security implementation. సమాధానం: A.
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Question 4 ప్రశ్న 4Answer: C. System Restore సమాధానం: C.
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Question 5 ప్రశ్న 5Answer: B. Preemption సమాధానం: B.
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Question 6 ప్రశ్న 6Answer: C. Multi-factor authentication using knowledge and biometric factors సమాధానం: C.
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Question 7 ప్రశ్న 7Answer: D. Use a junction table containing CaseID and OfficerID as foreign keys. సమాధానం: D.
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Question 8 ప్రశ్న 8Answer: C. Second Normal Form (2NF) సమాధానం: C.
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Question 9 ప్రశ్న 9Answer: D. Print Spooler service and printer queue సమాధానం: D.
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Question 10 ప్రశ్న 10Answer: C. A discrete graphics card సమాధానం: C.
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Question 11 ప్రశ్న 11Answer: D. Flash/EEPROM-type nonvolatile memory సమాధానం: D.
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Question 12 ప్రశ్న 12Answer: C. OCR సమాధానం: C.
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Question 13 ప్రశ్న 13Answer: D. Goal Seek సమాధానం: D.
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Question 14 ప్రశ్న 14Answer: B. Stateful firewall సమాధానం: B.
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Question 15 ప్రశ్న 15Answer: A. Firmware initialization and POST సమాధానం: A.
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Question 16 ప్రశ్న 16Answer: A. PROM is normally programmed once after manufacture and is not intended for routine erasure/reprogramming. సమాధానం: A.
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Question 17 ప్రశ్న 17Answer: C. 7 ns సమాధానం: C.
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Question 18 ప్రశ్న 18Answer: D. Cache hit సమాధానం: D.
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Question 19 ప్రశ్న 19Answer: C. Index సమాధానం: C.
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Question 20 ప్రశ్న 20Answer: A. DNS name resolution సమాధానం: A.
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Question 21 ప్రశ్న 21Answer: B. Program Counter సమాధానం: B.
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Question 22 ప్రశ్న 22Answer: C. Run DISM /Online /Cleanup-Image /RestoreHealth, then run sfc /scannow. సమాధానం: C.
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Question 23 ప్రశ్న 23Answer: D. 12.5 సమాధానం: D.
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Question 24 ప్రశ్న 24Answer: C. To improve thermal contact by filling microscopic surface gaps సమాధానం: C.
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Question 25 ప్రశ్న 25Answer: B. Slide Master సమాధానం: B.
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Question 26 ప్రశ్న 26Answer: B. tracert సమాధానం: B.
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Question 27 ప్రశ్న 27Answer: C. An intranet service సమాధానం: C.
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Question 28 ప్రశ్న 28Answer: C. The discrete graphics adapter/driver configuration and its power connections సమాధానం: C.
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Question 29 ప్రశ్న 29Answer: B. 256 bytes సమాధానం: B.
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Question 30 ప్రశ్న 30Answer: D. UPS సమాధానం: D.
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Question 31 ప్రశ్న 31Answer: A. The PC failed to obtain a normal DHCP lease and assigned itself an APIPA/link-local address. సమాధానం: A.
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Question 32 ప్రశ్న 32Answer: B. It occurs when a referenced virtual page requires operating-system handling because it is not currently available in the needed physical-memory mapping. సమాధానం: B.
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Question 33 ప్రశ్న 33Answer: D. 15 సమాధానం: D.
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Question 34 ప్రశ్న 34Answer: C. Dirty read సమాధానం: C.
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Question 35 ప్రశ్న 35Answer: C. ipconfig /flushdns సమాధానం: C.
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Question 36 ప్రశ్న 36Answer: C. Find Unmatched Query Wizard సమాధానం: C.
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Question 37 ప్రశ్న 37Answer: B. Thrashing సమాధానం: B.
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Question 38 ప్రశ్న 38Answer: B. Different Odd & Even Pages సమాధానం: B.
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Question 39 ప్రశ్న 39Answer: D. Yes, both are in the 192.168.1.0/24 subnet. సమాధానం: D.
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Question 40 ప్రశ్న 40Answer: D. False negative సమాధానం: D.
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Question 41 ప్రశ్న 41Answer: C. Phantom read సమాధానం: C.
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Question 42 ప్రశ్న 42Answer: A. Report సమాధానం: A.
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Question 43 ప్రశ్న 43Answer: D. Memory protection సమాధానం: D.
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Question 44 ప్రశ్న 44Answer: D. Query సమాధానం: D.
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Question 45 ప్రశ్న 45Answer: B. Inkjet printer సమాధానం: B.
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Question 46 ప్రశ్న 46Answer: C. Disk Management సమాధానం: C.
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Question 47 ప్రశ్న 47Answer: A. Validation Rule సమాధానం: A.
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Question 48 ప్రశ్న 48Answer: A. Update the existing Table of Contents. సమాధానం: A.
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Question 49 ప్రశ్న 49Answer: C. Transition సమాధానం: C.
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Question 50 ప్రశ్న 50Answer: B. Check the USB connection, test another port, then review Device Manager and privacy/device settings. సమాధానం: B.
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Question 51 ప్రశ్న 51Answer: D. MAN సమాధానం: D.
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Question 52 ప్రశ్న 52Answer: B. =COUNTIFS(A2:A100,"East",B2:B100,">=60") సమాధానం: B.
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Question 53 ప్రశ్న 53Answer: A. Delete query సమాధానం: A.
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Question 54 ప్రశ్న 54Answer: C. To reference a key in another related table and represent a relationship సమాధానం: C.
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Question 55 ప్రశ్న 55Answer: D. Table of Contents సమాధానం: D.
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Question 56 ప్రశ్న 56Answer: A. ALU సమాధానం: A.
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Question 57 ప్రశ్న 57Answer: C. 93% సమాధానం: C.
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Question 58 ప్రశ్న 58Answer: D. Input power quality, UPS load, battery condition and the UPS itself సమాధానం: D.
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Question 59 ప్రశ్న 59Answer: C. 24-pin ATX power connector సమాధానం: C.
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Question 60 ప్రశ్న 60Answer: D. Restrict Editing సమాధానం: D.
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Question 61 ప్రశ్న 61Answer: B. Default deny సమాధానం: B.
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Question 62 ప్రశ్న 62Answer: C. Scheduler సమాధానం: C.
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Question 63 ప్రశ్న 63Answer: A. It uniquely identifies each row and cannot be Null. సమాధానం: A.
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Question 64 ప్రశ్న 64Answer: B. Fetch → Decode → Execute సమాధానం: B.
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Question 65 ప్రశ్న 65Answer: C. Form సమాధానం: C.
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Question 66 ప్రశ్న 66Answer: D. Track Changes సమాధానం: D.
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Question 67 ప్రశ్న 67Answer: D. An interrupt can signal the CPU that an event requires attention, allowing the processor to execute an interrupt handler. సమాధానం: D.
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Question 68 ప్రశ్న 68Answer: D. 80 సమాధానం: D.
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Question 69 ప్రశ్న 69Answer: B. Mail Merge సమాధానం: B.
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Question 70 ప్రశ్న 70Answer: D. Plotter or large-format printer సమాధానం: D.
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Question 71 ప్రశ్న 71Answer: D. Append query సమాధానం: D.
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Question 72 ప్రశ్న 72Answer: B. EPROM సమాధానం: B.
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Question 73 ప్రశ్న 73Answer: B. Two knowledge-factor secrets, not two different factor categories సమాధానం: B.
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Question 74 ప్రశ్న 74Answer: C. Referential integrity సమాధానం: C.
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Question 75 ప్రశ్న 75Answer: C. Saving the execution state of one task and restoring another so the CPU can switch between them సమాధానం: C.
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Question 76 ప్రశ్న 76Answer: A. Registers → Cache → RAM → Secondary storage సమాధానం: A.
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Question 77 ప్రశ్న 77Answer: B. Custom Slide Show సమాధానం: B.
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Question 78 ప్రశ్న 78Answer: A. RJ45 సమాధానం: A.
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Question 79 ప్రశ్న 79Answer: B. Line chart సమాధానం: B.
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Question 80 ప్రశ్న 80Answer: C. Notes Pages సమాధానం: C.
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Question 81 ప్రశ్న 81Answer: A. A scanner is primarily an input device; a printer is primarily an output device. సమాధానం: A.
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Question 82 ప్రశ్న 82Answer: C. The Internet is a global system of interconnected networks; an intranet is a private organizational network or information environment for authorized users. సమాధానం: C.
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Question 83 ప్రశ్న 83Answer: B. $F$1 సమాధానం: B.
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Question 84 ప్రశ్న 84Answer: A. Table సమాధానం: A.
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Question 85 ప్రశ్న 85Answer: A. It directs and coordinates instruction execution by generating control signals. సమాధానం: A.
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Question 86 ప్రశ్న 86Answer: A. Its status/dependencies in Services and related errors in Event Viewer సమాధానం: A.
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Question 87 ప్రశ్న 87Answer: D. Protect confidentiality by transforming plaintext into ciphertext using cryptographic mechanisms. సమాధానం: D.
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Question 88 ప్రశ్న 88Answer: C. 3 సమాధానం: C.
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Question 89 ప్రశ్న 89Answer: D. Find and Replace సమాధానం: D.
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Question 90 ప్రశ్న 90Answer: B. Test another known-good USB device in the suspect port and inspect Device Manager if Windows is running. సమాధానం: B.
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Question 91 ప్రశ్న 91Answer: B. The VPN protects communication but does not disinfect the compromised endpoint. సమాధానం: B.
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Question 92 ప్రశ్న 92Answer: A. Failure of the central switch or hub సమాధానం: A.
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Question 93 ప్రశ్న 93Answer: A. Fuser assembly సమాధానం: A.
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Question 94 ప్రశ్న 94Answer: D. 32 GiB సమాధానం: D.
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Question 95 ప్రశ్న 95Answer: A. Different First Page సమాధానం: A.
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Question 96 ప్రశ్న 96Answer: B. A program in execution together with its execution state and allocated resources సమాధానం: B.
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Question 97 ప్రశ్న 97Answer: A. It allows a process address space to be supported using RAM together with secondary storage when needed. సమాధానం: A.
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Question 98 ప్రశ్న 98Answer: A. Ordinary system RAM is volatile working memory and normally loses its contents when power is removed. సమాధానం: A.
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Question 99 ప్రశ్న 99Answer: C. OMR సమాధానం: C.
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Question 100 ప్రశ్న 100Answer: D. Verify the display cable, selected monitor input and connection to the active graphics output. సమాధానం: D.
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Question 101 ప్రశ్న 101Answer: A. 5 సమాధానం: A.
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Question 102 ప్రశ్న 102Answer: D. Install an operating system or restore a valid bootable image to the SSD. సమాధానం: D.
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Question 103 ప్రశ్న 103Answer: C. Spooling సమాధానం: C.
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Question 104 ప్రశ్న 104Answer: A. Crosstab query సమాధానం: A.
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Question 105 ప్రశ్న 105Answer: D. Use Windows Recovery options such as Startup Repair, Safe Mode or System Restore as appropriate. సమాధానం: D.
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Question 106 ప్రశ్న 106Answer: D. Device Manager సమాధానం: D.
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Question 107 ప్రశ్న 107Answer: D. Incorrect power-cable connection prevented proper CPU power delivery. సమాధానం: D.
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Question 108 ప్రశ్న 108Answer: A. Thrashing సమాధానం: A.
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Question 109 ప్రశ్న 109Answer: A. SRAM is generally faster and does not require periodic refresh, while DRAM is denser and requires refresh. సమాధానం: A.
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Question 110 ప్రశ్న 110Answer: A. Running → Waiting/Blocked సమాధానం: A.
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Question 111 ప్రశ్న 111Answer: A. Virtual memory and memory protection mechanisms సమాధానం: A.
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Question 112 ప్రశ్న 112Answer: B. WAN సమాధానం: B.
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Question 113 ప్రశ్న 113Answer: A. Use a minimal hardware configuration and isolate recently added components. సమాధానం: A.
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Question 114 ప్రశ్న 114Answer: B. COMMIT సమాధానం: B.
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Question 115 ప్రశ్న 115Answer: D. Connect the monitor to the discrete GPU output and verify firmware display settings. సమాధానం: D.
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Question 116 ప్రశ్న 116Answer: C. Durability సమాధానం: C.
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Question 117 ప్రశ్న 117Answer: D. Event Viewer సమాధానం: D.
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Question 118 ప్రశ్న 118Answer: B. DNS సమాధానం: B.
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Question 119 ప్రశ్న 119Answer: A. The number of columns/attributes సమాధానం: A.
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Question 120 ప్రశ్న 120Answer: C. The case power button or its front-panel wiring సమాధానం: C.
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Question 121 ప్రశ్న 121Answer: B. False positive సమాధానం: B.
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Question 122 ప్రశ్న 122Answer: C. A virtual table defined by a query over underlying data సమాధానం: C.
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Question 123 ప్రశ్న 123Answer: A. Distribute Horizontally సమాధానం: A.
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Question 124 ప్రశ్న 124Answer: C. Modify the style definition. సమాధానం: C.
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Question 125 ప్రశ్న 125Answer: A. User Account Control (UAC) సమాధానం: A.
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Question 126 ప్రశ్న 126Answer: D. netstat సమాధానం: D.
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Question 127 ప్రశ్న 127Answer: A. Kernel mode permits privileged operations that ordinary user-mode applications are restricted from performing directly. సమాధానం: A.
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Question 128 ప్రశ్న 128Answer: D. Power down, reseat the DIMMs, verify compatibility, then test one known-good module and slot at a time. సమాధానం: D.
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Question 129 ప్రశ్న 129Answer: B. Input Mask సమాధానం: B.
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Question 130 ప్రశ్న 130Answer: B. Animation సమాధానం: B.
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Question 131 ప్రశ్న 131Answer: D. Slide Sorter view సమాధానం: D.
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Question 132 ప్రశ్న 132Answer: D. MICR reader సమాధానం: D.
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Question 133 ప్రశ్న 133Answer: C. Data Validation using a List సమాధానం: C.
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Question 134 ప్రశ్న 134Answer: C. Spatial locality సమాధానం: C.
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Question 135 ప్రశ్న 135Answer: A. Hyperlink or Action సమాధానం: A.
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Question 136 ప్రశ్న 136Answer: A. POST is an early startup hardware initialization/check process performed before normal operating-system loading. సమాధానం: A.
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Question 137 ప్రశ్న 137Answer: D. Site-to-site VPN సమాధానం: D.
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Question 138 ప్రశ్న 138Answer: D. District Group Footer సమాధానం: D.
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Question 139 ప్రశ్న 139Answer: C. Ensure the document is stationary and correctly positioned, then verify scanner glass and settings. సమాధానం: C.
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Question 140 ప్రశ్న 140Answer: D. Section breaks around the page, then set that section to landscape. సమాధానం: D.
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Question 141 ప్రశ్న 141Answer: C. Atomicity సమాధానం: C.
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Question 142 ప్రశ్న 142Answer: C. HTTPS సమాధానం: C.
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Question 143 ప్రశ్న 143Answer: A. Application-proxy gateway సమాధానం: A.
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Question 144 ప్రశ్న 144Answer: B. ROLLBACK సమాధానం: B.
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Question 145 ప్రశ్న 145Answer: C. =$B5*E$1 సమాధానం: C.
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Question 146 ప్రశ్న 146Answer: D. Number with Field Size Long Integer సమాధానం: D.
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Question 147 ప్రశ్న 147Answer: B. Firmware configuration storage associated with UEFI/BIOS సమాధానం: B.
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Question 148 ప్రశ్న 148Answer: D. 204 సమాధానం: D.
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Question 149 ప్రశ్న 149Answer: A. Footnotes సమాధానం: A.
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Question 150 ప్రశ్న 150Answer: D. DNS సమాధానం: D.
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Question 151 ప్రశ్న 151Answer: A. Install compatible modules in the paired slots specified by the motherboard manual. సమాధానం: A.
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Question 152 ప్రశ్న 152Answer: A. Temporal locality సమాధానం: A.
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Question 153 ప్రశ్న 153Answer: C. Organizing files/directories and controlling access to stored data సమాధానం: C.
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Question 154 ప్రశ్న 154Answer: D. DHCP సమాధానం: D.
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Question 155 ప్రశ్న 155Answer: B. Microphone సమాధానం: B.
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Question 156 ప్రశ్న 156Answer: D. Compare Documents సమాధానం: D.
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Question 157 ప్రశ్న 157Answer: A. Chipset/firmware support for that processor generation or model సమాధానం: A.
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Question 158 ప్రశ్న 158Answer: C. diskmgmt.msc సమాధానం: C.
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Question 159 ప్రశ్న 159Answer: A. Produce a one-way digest useful for integrity-related verification సమాధానం: A.
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Question 160 ప్రశ్న 160Answer: B. Presenter View సమాధానం: B.
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Question 161 ప్రశ్న 161Answer: C. 12.35 సమాధానం: C.
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Question 162 ప్రశ్న 162Answer: A. Stateless packet filtering సమాధానం: A.
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Question 163 ప్రశ్న 163Answer: B. Record Slide Show సమాధానం: B.
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Question 164 ప్రశ్న 164Answer: A. services.msc సమాధానం: A.
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Question 165 ప్రశ్న 165Answer: D. CPU socket సమాధానం: D.
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Question 166 ప్రశ్న 166Answer: B. PCI Express సమాధానం: B.
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Question 167 ప్రశ్న 167Answer: D. MAX సమాధానం: D.
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Question 168 ప్రశ్న 168Answer: C. ECC memory can detect and correct certain memory-bit errors when supported by the platform. సమాధానం: C.
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Question 169 ప్రశ్న 169Answer: B. COUNTBLANK సమాధానం: B.
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Question 170 ప్రశ్న 170Answer: C. The event or I/O condition it was waiting for has completed. సమాధానం: C.
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Question 171 ప్రశ్న 171Answer: C. Registers సమాధానం: C.
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Question 172 ప్రశ్న 172Answer: D. The number of rows/tuples సమాధానం: D.
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Question 173 ప్రశ్న 173Answer: A. Deadlock సమాధానం: A.
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Question 174 ప్రశ్న 174Answer: B. 16384 MiB సమాధానం: B.
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Question 175 ప్రశ్న 175Answer: A. ipconfig /all సమాధానం: A.
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Question 176 ప్రశ్న 176Answer: B. CHECK constraint సమాధానం: B.
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Question 177 ప్రశ్న 177Answer: D. Power off and inspect CPU-cooler seating, fan connection and thermal-interface installation. సమాధానం: D.
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Question 178 ప్రశ్న 178Answer: B. Third Normal Form (3NF) సమాధానం: B.
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Question 179 ప్రశ్న 179Answer: B. =$B7+E$2 సమాధానం: B.
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Question 180 ప్రశ్న 180Answer: B. Task Scheduler సమాధానం: B.
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Question 181 ప్రశ్న 181Answer: D. FAIL సమాధానం: D.
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Question 182 ప్రశ్న 182Answer: B. Conditional Formatting సమాధానం: B.
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Question 183 ప్రశ్న 183Answer: C. Authentication verifies identity; authorization determines permitted actions or resources. సమాధానం: C.
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Question 184 ప్రశ్న 184Answer: B. The operating system rapidly schedules multiple tasks so they can make progress over time. సమాధానం: B.
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Question 185 ప్రశ్న 185Answer: C. Parameter query సమాధానం: C.
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Question 186 ప్రశ్న 186Answer: B. 88 సమాధానం: B.
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Question 187 ప్రశ్న 187Answer: C. PivotTable సమాధానం: C.
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Question 188 ప్రశ్న 188Answer: A. Lost update సమాధానం: A.
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Question 189 ప్రశ్న 189Answer: B. Navigation Pane సమాధానం: B.
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Question 190 ప్రశ్న 190Answer: B. Demand paging సమాధానం: B.
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Question 191 ప్రశ్న 191Answer: C. LAN సమాధానం: C.
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Question 192 ప్రశ్న 192Answer: A. =SUBTOTAL(9,D2:D100) సమాధానం: A.
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Question 193 ప్రశ్న 193Answer: D. Verify AC power, the PSU switch, 24-pin ATX power, CPU power connector and front-panel power-switch connection. సమాధానం: D.
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Question 194 ప్రశ్న 194Answer: A. Update query సమాధానం: A.
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Question 195 ప్రశ్న 195Answer: A. Try another USB port/cable if applicable, then check Device Manager and disk status. సమాధానం: A.
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Question 196 ప్రశ్న 196Answer: B. Format Painter సమాధానం: B.
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Question 197 ప్రశ్న 197Answer: C. Router సమాధానం: C.
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Question 198 ప్రశ్న 198Answer: B. Ethernet switch సమాధానం: B.
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Question 199 ప్రశ్న 199Answer: B. Power-supply capacity/stability and cooling సమాధానం: B.
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Question 200 ప్రశ్న 200Answer: D. Deadlock సమాధానం: D.