Please keep at least one language enabled. || కనీసం ఒక భాషను ఎంచుకోండి.
Question 1
ప్రశ్న 1
A motherboard powers up but reports 'CPU Fan Error' even though the cooler fan is spinning from a chassis-fan header. What is the best correction?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Firmware commonly monitors the dedicated CPU_FAN header.
• A fan connected elsewhere may spin but still trigger a CPU-fan warning.
• The correct header also enables appropriate monitoring and control.
• A fan connected elsewhere may spin but still trigger a CPU-fan warning.
• The correct header also enables appropriate monitoring and control.
వివరణ:
Question 2
ప్రశ్న 2
Which firewall technology acts as an application-aware intermediary between endpoints?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Application proxies mediate application sessions.
• They can enforce protocol-aware rules.
• They do more than simple header filtering.
• They can enforce protocol-aware rules.
• They do more than simple header filtering.
వివరణ:
Question 3
ప్రశ్న 3
Which print format combines one slide image with its speaker notes?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Notes Pages include the slide and associated notes.
• They are useful for presenter reference.
• Handouts usually arrange slide thumbnails.
• They are useful for presenter reference.
• Handouts usually arrange slide thumbnails.
వివరణ:
Question 4
ప్రశ్న 4
A transaction reads data written by another transaction that has not committed. What anomaly is this?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A dirty read exposes uncommitted data.
• The writer may later roll back the value.
• Higher isolation levels can prevent this anomaly.
• The writer may later roll back the value.
• Higher isolation levels can prevent this anomaly.
వివరణ:
Question 5
ప్రశ్న 5
Which OS concept prevents a normal user-mode application from directly executing privileged hardware-control instructions?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• User mode restricts privileged operations.
• The kernel executes trusted privileged code.
• This separation improves system protection.
• The kernel executes trusted privileged code.
• This separation improves system protection.
వివరణ:
Question 6
ప్రశ్న 6
Which key uniquely identifies each row in a relational table and cannot be Null?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A primary key uniquely identifies records.
• Null values cannot identify a row.
• Foreign keys represent relationships to other tables.
• Null values cannot identify a row.
• Foreign keys represent relationships to other tables.
వివరణ:
Question 7
ప్రశ్న 7
Which technology reads magnetic-ink characters used on cheques?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• MICR reads characters printed with magnetic ink.
• It has traditionally been used in banking.
• OMR detects marks rather than magnetic characters.
• It has traditionally been used in banking.
• OMR detects marks rather than magnetic characters.
వివరణ:
Question 8
ప్రశ్న 8
An infected laptop establishes a correctly encrypted VPN connection. Which statement remains true?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• VPNs protect network communication.
• Endpoint compromise remains a separate security problem.
• Layered security controls are still required.
• Endpoint compromise remains a separate security problem.
• Layered security controls are still required.
వివరణ:
Question 9
ప్రశ్న 9
Which feature records narration and slide timings?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Record Slide Show captures narration and timing information.
• It can support self-running presentations.
• The other features serve different purposes.
• It can support self-running presentations.
• The other features serve different purposes.
వివరణ:
Question 10
ప్రశ్న 10
Which command renames OLD.TXT to NEW.TXT?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• REN changes a file or directory name.
• Its syntax specifies old and new names.
• COPY creates another file rather than simply renaming.
• Its syntax specifies old and new names.
• COPY creates another file rather than simply renaming.
వివరణ:
Question 11
ప్రశ్న 11
A process is executing and then requests disk input that is not immediately available. Which state transition is expected?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The process cannot continue until the I/O event completes.
• The OS places it in a waiting/blocked state.
• It can later return to Ready when the event completes.
• The OS places it in a waiting/blocked state.
• It can later return to Ready when the event completes.
వివరణ:
Question 12
ప్రశ్న 12
Which feature provides centralized control of recurring logos, fonts and placeholder layouts?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Slide Master controls presentation-wide design elements.
• Associated layouts inherit master formatting.
• It reduces repetitive manual editing.
• Associated layouts inherit master formatting.
• It reduces repetitive manual editing.
వివరణ:
Question 13
ప్రశ్న 13
Which command is most appropriate for testing whether a remote host responds to ICMP Echo Request packets?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• PING performs a basic reachability test using ICMP Echo.
• It reports replies and timing.
• The other commands are unrelated to network reachability.
• It reports replies and timing.
• The other commands are unrelated to network reachability.
వివరణ:
Question 14
ప్రశ్న 14
Which Windows mechanism prompts for elevation when an administrative action requires higher privilege?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• UAC mediates privilege elevation.
• It helps users operate without full-time administrative privilege.
• RAID and DHCP serve different purposes.
• It helps users operate without full-time administrative privilege.
• RAID and DHCP serve different purposes.
వివరణ:
Question 15
ప్రశ్న 15
Which feature creates a selected subset of slides in a chosen order without deleting any original slides?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Custom Slide Show defines an alternate sequence.
• Original slides remain intact.
• It supports audience-specific presentations.
• Original slides remain intact.
• It supports audience-specific presentations.
వివరణ:
Question 16
ప్రశ్న 16
What is the nominal capacity of six 4 GiB memory modules?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Each module contributes 4 GiB.
• 6 × 4 GiB = 24 GiB.
• Nominal capacities add across installed modules.
• 6 × 4 GiB = 24 GiB.
• Nominal capacities add across installed modules.
వివరణ:
Question 17
ప్రశ్న 17
Which ACID property requires a committed transaction to survive later failures?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Durability concerns persistence after COMMIT.
• Recovery mechanisms help preserve committed effects.
• It is distinct from atomicity and consistency.
• Recovery mechanisms help preserve committed effects.
• It is distinct from atomicity and consistency.
వివరణ:
Question 18
ప్రశ్న 18
Which statement best describes the purpose of the motherboard chipset in a modern PC?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The chipset provides platform-level I/O and connectivity support.
• Its capabilities influence CPU, storage and expansion support.
• It is distinct from the CPU ALU and secondary storage.
• Its capabilities influence CPU, storage and expansion support.
• It is distinct from the CPU ALU and secondary storage.
వివరణ:
Question 19
ప్రశ్న 19
B2:B7 contain East,West,East,North,East,West and C2:C7 contain 50,60,70,80,90,100. What does =SUMIFS(C2:C7,B2:B7,"East",C2:C7,">=70") return?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• East rows contain 50,70 and 90.
• Only 70 and 90 meet the >=70 criterion.
• 70+90 = 160.
• Only 70 and 90 meet the >=70 criterion.
• 70+90 = 160.
వివరణ:
Question 20
ప్రశ్న 20
A star network loses connectivity for every workstation at once. Which component should be checked first?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• All star-topology endpoints depend on the central device.
• Failure of the switch or its power can affect the whole network.
• A single endpoint peripheral cannot disconnect every host.
• Failure of the switch or its power can affect the whole network.
• A single endpoint peripheral cannot disconnect every host.
వివరణ:
Question 21
ప్రశ్న 21
Which feature lets a presenter 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 private presenter information.
• The audience display remains the slide show.
• It is useful for live delivery.
• The audience display remains the slide show.
• It is useful for live delivery.
వివరణ:
Question 22
ప్రశ్న 22
Which security function establishes confidence in a claimed user identity?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Authentication verifies identity claims.
• Credentials and factors are used for this purpose.
• Authorization determines permissions after identity is established.
• Credentials and factors are used for this purpose.
• Authorization determines permissions after identity is established.
వివరణ:
Question 23
ప్రశ్న 23
A client can open a server by IP address but not by its hostname. Which service should be investigated first?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Basic IP reachability is working.
• The failure is specifically name resolution.
• DNS resolves hostnames to address information.
• The failure is specifically name resolution.
• DNS resolves hostnames to address information.
వివరణ:
Question 24
ప్రశ్న 24
In Excel, a range contains numeric values 18, 42, 7 and 31. Which function should be used to return 42 from that range?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• MAX returns the greatest numeric value.
• MIN returns the smallest.
• COUNT counts numeric entries.
• MIN returns the smallest.
• COUNT counts numeric entries.
వివరణ:
Question 25
ప్రశ్న 25
Which Access object is most appropriate for user-friendly record entry?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Forms provide structured user interfaces for data entry.
• Controls can be bound to fields.
• Reports are mainly for formatted output.
• Controls can be bound to fields.
• Reports are mainly for formatted output.
వివరణ:
Question 26
ప్రశ్న 26
A newly installed processor fits the socket but the system will not POST. The motherboard vendor lists that CPU only from a later BIOS version. What is the likely requirement?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Socket compatibility alone does not guarantee firmware support.
• The firmware must contain support for the processor generation/model.
• The update must be performed using a method supported by the motherboard.
• The firmware must contain support for the processor generation/model.
• The update must be performed using a method supported by the motherboard.
వివరణ:
Question 27
ప్రశ్న 27
Which Access object is used to retrieve records meeting specified criteria?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Queries select, filter and process data.
• They can also calculate or perform action operations.
• Forms are primarily interfaces.
• They can also calculate or perform action operations.
• Forms are primarily interfaces.
వివరణ:
Question 28
ప్రశ్న 28
Which command creates a directory named EVIDENCE?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• MD/MKDIR creates directories.
• DEL removes files.
• ATTRIB changes file attributes.
• DEL removes files.
• ATTRIB changes file attributes.
వివరణ:
Question 29
ప్రశ్న 29
A printer is powered and reachable, but Windows jobs remain queued indefinitely. Which service should be checked?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Print Spooler manages queued print jobs.
• A stalled spooler can block printing.
• DNS and DHCP do not control the print queue.
• A stalled spooler can block printing.
• DNS and DHCP do not control the print queue.
వివరణ:
Question 30
ప్రశ్న 30
A forensic workstation requires RAM that can automatically correct certain single-bit memory errors. Which memory capability is relevant?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• ECC stores extra check information.
• Common implementations can correct certain single-bit errors.
• It does not alter RAM volatility or backup requirements.
• Common implementations can correct certain single-bit errors.
• It does not alter RAM volatility or backup requirements.
వివరణ:
Question 31
ప్రశ్న 31
A scanner produces a consistently dark band in the same location on every scan. What should be checked first?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A fixed artifact on every scan can come from dirt on the scanning path.
• Cleaning is a simple non-destructive first step.
• CPU and networking settings do not cause fixed scan artifacts.
• Cleaning is a simple non-destructive first step.
• CPU and networking settings do not cause fixed scan artifacts.
వివరణ:
Question 32
ప్రశ్న 32
Which view is best for rapidly reordering many slides?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Slide Sorter displays many thumbnails at once.
• Slides can be rearranged by dragging.
• Presenter View is used during delivery.
• Slides can be rearranged by dragging.
• Presenter View is used during delivery.
వివరణ:
Question 33
ప్రశ్న 33
Which OS technique queues printer jobs so applications do not have to wait for the printer to finish each job immediately?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Spooling stores jobs in an intermediate queue.
• The printer processes them asynchronously.
• This improves sharing of slow output devices.
• The printer processes them asynchronously.
• This improves sharing of slow output devices.
వివరణ:
Question 34
ప్రశ్న 34
Which feature should be used to change the formatting of every paragraph using a particular heading style at once?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Styles centralize reusable formatting.
• Changing a style updates text using that style.
• This improves consistency and efficiency.
• Changing a style updates text using that style.
• This improves consistency and efficiency.
వివరణ:
Question 35
ప్రశ్న 35
Which feature is designed to identify differences between two separately edited Word documents?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Compare analyzes document versions.
• It identifies changes when edits were not necessarily tracked originally.
• Mail Merge creates personalized documents.
• It identifies changes when edits were not necessarily tracked originally.
• Mail Merge creates personalized documents.
వివరణ:
Question 36
ప్రశ్న 36
A byte-addressable system has 18 address lines. How many bytes can be directly addressed?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 18 address lines provide 2^18 unique addresses.
• 2^18 = 262144.
• Byte addressing means one byte per unique address.
• 2^18 = 262144.
• Byte addressing means one byte per unique address.
వివరణ:
Question 37
ప్రశ్న 37
Which feature records insertions, deletions and formatting revisions for later review?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Track Changes marks document revisions.
• Reviewers can accept or reject changes.
• It is intended for collaborative review.
• Reviewers can accept or reject changes.
• It is intended for collaborative review.
వివరణ:
Question 38
ప్రశ్న 38
What is the purpose of memory protection?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Memory protection enforces isolation boundaries.
• It improves security and stability.
• Storage speed and printing are unrelated.
• It improves security and stability.
• Storage speed and printing are unrelated.
వివరణ:
Question 39
ప్రశ్న 39
Which feature combines a main letter with records from an Excel recipient list?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Mail Merge inserts recipient-specific fields into a common document.
• Excel can supply the data source.
• This automates personalized document generation.
• Excel can supply the data source.
• This automates personalized document generation.
వివరణ:
Question 40
ప్రశ్న 40
A system designer selects SRAM for cache and DRAM for main memory. Which comparison best explains that choice?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• SRAM uses bistable cells and avoids refresh cycles.
• DRAM stores bits dynamically and requires refresh.
• This trade-off explains cache versus main-memory usage.
• DRAM stores bits dynamically and requires refresh.
• This trade-off explains cache versus main-memory usage.
వివరణ:
Question 41
ప్రశ్న 41
Which technology is specifically intended to recognize printed characters from a scanned page?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• OCR identifies character shapes in image data.
• It converts scanned printed text into machine-readable text.
• OMR and MICR serve different input tasks.
• It converts scanned printed text into machine-readable text.
• OMR and MICR serve different input tasks.
వివరణ:
Question 42
ప్రశ్న 42
Which Excel feature should be used to permit only values Low, Medium or High in a Priority column?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Data Validation can restrict allowed input values.
• List validation creates a controlled drop-down.
• This improves data consistency.
• List validation creates a controlled drop-down.
• This improves data consistency.
వివరణ:
Question 43
ప్రశ్న 43
What does =ROUNDUP(-15.204,2) return?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• ROUNDUP rounds away from zero.
• At two decimals, -15.204 becomes -15.21.
• It does not round toward zero.
• At two decimals, -15.204 becomes -15.21.
• It does not round toward zero.
వివరణ:
Question 44
ప్రశ్న 44
Which locality principle explains why accessing one array element often makes nearby elements useful soon?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Spatial locality concerns nearby memory addresses.
• Sequential array traversal is a standard example.
• Caches often fetch blocks containing adjacent data.
• Sequential array traversal is a standard example.
• Caches often fetch blocks containing adjacent data.
వివరణ:
Question 45
ప్రశ్న 45
A range query is repeated and additional committed rows now satisfy the same condition. What phenomenon is this?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Phantoms involve changes in the set of qualifying rows.
• They commonly result from inserts or deletes by other transactions.
• This differs from rereading a changed value in the same row.
• They commonly result from inserts or deletes by other transactions.
• This differs from rereading a changed value in the same row.
వివరణ:
Question 46
ప్రశ్న 46
Which network scope commonly spans multiple sites across one metropolitan area?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A MAN covers city-scale or metropolitan connectivity.
• It can interconnect several LANs.
• WAN generally covers larger distances.
• It can interconnect several LANs.
• WAN generally covers larger distances.
వివరణ:
Question 47
ప్రశ్న 47
What is the role of a foreign key?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Foreign keys link related tables.
• Referential integrity can constrain their values.
• They do not perform encryption or document formatting.
• Referential integrity can constrain their values.
• They do not perform encryption or document formatting.
వివరణ:
Question 48
ప్రశ్న 48
Which broad sequence best represents the instruction cycle?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The processor fetches an instruction from memory.
• It decodes the instruction and then performs the required operation.
• This cycle repeats during program execution.
• It decodes the instruction and then performs the required operation.
• This cycle repeats during program execution.
వివరణ:
Question 49
ప్రశ్న 49
Which command displays the contents of a text file named NOTES.TXT at the command prompt?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• TYPE displays text-file contents.
• MD creates directories.
• FORMAT operates on volumes.
• MD creates directories.
• FORMAT operates on volumes.
వివరణ:
Question 50
ప్రశ్న 50
Which network scope is designed for widely separated offices in different states or countries?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A WAN spans large geographic areas.
• It is used for remote branch connectivity.
• Topology names do not define geographic scope.
• It is used for remote branch connectivity.
• Topology names do not define geographic scope.
వివరణ:
Question 51
ప్రశ్న 51
Which technology is designed to create an encrypted/protected tunnel over an untrusted network?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A VPN protects communications across existing networks.
• It can be used for remote access or site-to-site links.
• RAID and OCR are unrelated.
• It can be used for remote access or site-to-site links.
• RAID and OCR are unrelated.
వివరణ:
Question 52
ప్రశ్న 52
Which network scope is most appropriate for a single office floor or building?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A LAN covers a limited local area.
• An office building is a standard example.
• MAN and WAN cover larger geographic areas.
• An office building is a standard example.
• MAN and WAN cover larger geographic areas.
వివరణ:
Question 53
ప్రశ్న 53
Which feature can replace all occurrences of one term with another throughout a document?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Find and Replace searches for matching text.
• It can replace repeated content efficiently.
• Mail Merge does not perform general replacement.
• It can replace repeated content efficiently.
• Mail Merge does not perform general replacement.
వివరణ:
Question 54
ప్రశ్న 54
Which Word feature restricts users from freely modifying protected portions of a document?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Restrict Editing can limit the types of changes permitted.
• It supports controlled document workflows.
• Zoom and Word Count do not enforce editing restrictions.
• It supports controlled document workflows.
• Zoom and Word Count do not enforce editing restrictions.
వివరణ:
Question 55
ప్రశ్న 55
B2:B5 contain 3,2,5,4 and C2:C5 contain 6,7,2,5. What does =SUMPRODUCT(B2:B5,C2:C5) return?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Products are 18,14,10,20.
• 18+14+10+20 = 62.
• SUMPRODUCT adds corresponding products.
• 18+14+10+20 = 62.
• SUMPRODUCT adds corresponding products.
వివరణ:
Question 56
ప్రశ్న 56
Which security function determines what an authenticated user is allowed to access?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Authorization controls permitted actions and resources.
• It is distinct from proving identity.
• Hashing is a cryptographic integrity mechanism.
• It is distinct from proving identity.
• Hashing is a cryptographic integrity mechanism.
వివరణ:
Question 57
ప్రశ్న 57
Why is a heat sink normally used with a desktop CPU?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A heat sink transfers heat away from the processor package.
• Its fins increase surface area for cooling.
• Storage, routing and encryption are unrelated functions.
• Its fins increase surface area for cooling.
• Storage, routing and encryption are unrelated functions.
వివరణ:
Question 58
ప్రశ్న 58
Using AMAT = cache access time + miss rate × miss penalty, cache time = 2 ns, hit rate = 97%, miss penalty = 80 ns. What is AMAT?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Miss rate = 3% = 0.03.
• 0.03 × 80 ns = 2.4 ns.
• AMAT = 2 + 2.4 = 4.4 ns.
• 0.03 × 80 ns = 2.4 ns.
• AMAT = 2 + 2.4 = 4.4 ns.
వివరణ:
Question 59
ప్రశ్న 59
Eight nodes form a full mesh. How many point-to-point links are required?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A full mesh needs n(n−1)/2 links.
• 8×7/2 = 28.
• Each node pair is counted once.
• 8×7/2 = 28.
• Each node pair is counted once.
వివరణ:
Question 60
ప్రశ్న 60
A computer loses correct date/time settings after being disconnected from mains power for several days. Which component is a likely cause?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The coin-cell supports the real-time clock while main power is absent.
• A weak battery can cause time/settings loss.
• Cooling and network components are unrelated.
• A weak battery can cause time/settings loss.
• Cooling and network components are unrelated.
వివరణ:
Question 61
ప్రశ్న 61
Which function counts empty cells?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• COUNTBLANK returns the number of empty cells.
• COUNTA counts non-empty cells.
• COUNT counts numeric cells.
• COUNTA counts non-empty cells.
• COUNT counts numeric cells.
వివరణ:
Question 62
ప్రశ్న 62
A system shows extremely high paging activity and very low useful execution. What condition is most likely?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Thrashing occurs when paging dominates system activity.
• It commonly results from insufficient effective physical memory for active working sets.
• Useful CPU progress falls sharply.
• It commonly results from insufficient effective physical memory for active working sets.
• Useful CPU progress falls sharply.
వివరణ:
Question 63
ప్రశ్న 63
A login uses a password and a fingerprint. What security property does this provide?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A password is a knowledge factor.
• A fingerprint is a biometric/inherence factor.
• Different factor categories provide MFA.
• A fingerprint is a biometric/inherence factor.
• Different factor categories provide MFA.
వివరణ:
Question 64
ప్రశ్న 64
Which Word command copies formatting from one selected text range to another?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Format Painter transfers formatting properties.
• It avoids recreating formatting manually.
• The other features belong to different Office applications.
• It avoids recreating formatting manually.
• The other features belong to different Office applications.
వివరణ:
Question 65
ప్రశ్న 65
Which tool is most useful for reviewing a service crash recorded by Windows?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Event Viewer records service-control and application/system errors.
• It is central to diagnostic log review.
• Drawing and calculator utilities do not analyze service failures.
• It is central to diagnostic log review.
• Drawing and calculator utilities do not analyze service failures.
వివరణ:
Question 66
ప్రశ్న 66
Which normal form removes transitive dependency of non-key attributes on other non-key attributes?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 3NF addresses transitive dependency among non-key attributes.
• It further reduces redundancy and anomalies.
• RAID is unrelated to database normalization.
• It further reduces redundancy and anomalies.
• RAID is unrelated to database normalization.
వివరణ:
Question 67
ప్రశ్న 67
Which ACID property requires a transaction to take the database from one valid state to another valid state under defined constraints?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Consistency concerns preservation of integrity rules.
• Transactions should not leave the database violating constraints.
• It is one of the ACID properties.
• Transactions should not leave the database violating constraints.
• It is one of the ACID properties.
వివరణ:
Question 68
ప్రశ్న 68
A PC starts when the motherboard power-switch pins are briefly shorted, but not when the case power button is pressed. What is most likely faulty?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The motherboard responds correctly when the switch pins are activated directly.
• That isolates the likely fault to the physical case switch circuit or wiring.
• The operating system is not involved in this initial power-on signal.
• That isolates the likely fault to the physical case switch circuit or wiring.
• The operating system is not involved in this initial power-on signal.
వివరణ:
Question 69
ప్రశ్న 69
Which database object presents query-derived data as a virtual table?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A conventional view is defined by a query.
• It presents derived data without necessarily storing a duplicate of all rows.
• It is a logical database object.
• It presents derived data without necessarily storing a duplicate of all rows.
• It is a logical database object.
వివరణ:
Question 70
ప్రశ్న 70
An Access user needs to save the result of a query as a brand-new physical table. Which query type should be used?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Make-table queries create a new table.
• The table is populated from the query result.
• Update and delete queries operate on existing data.
• The table is populated from the query result.
• Update and delete queries operate on existing data.
వివరణ:
Question 71
ప్రశ్న 71
A long report uses Heading 1 and Heading 2 styles. Which feature can automatically generate a navigable list of those headings with page numbers?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• An automatic TOC is built from heading styles.
• It can be updated after edits.
• Mail Merge serves a different purpose.
• It can be updated after edits.
• Mail Merge serves a different purpose.
వివరణ:
Question 72
ప్రశ్న 72
Which Access wizard is used to find records in one table that have no matching record in another?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Find Unmatched Query Wizard locates records without related matches.
• It is useful for relationship auditing.
• The other wizards create forms, labels or reports.
• It is useful for relationship auditing.
• The other wizards create forms, labels or reports.
వివరణ:
Question 73
ప్రశ్న 73
Which startup activity happens before an operating-system loader begins execution?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Firmware runs immediately after power-on/reset.
• POST and hardware initialization precede normal OS loading.
• User applications execute only after the OS has started.
• POST and hardware initialization precede normal OS loading.
• User applications execute only after the OS has started.
వివరణ:
Question 74
ప్రశ్న 74
Which event can cause a blocked process to become Ready?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• When the awaited condition completes, the process becomes runnable.
• It enters the Ready state to await CPU scheduling.
• It does not necessarily run immediately.
• It enters the Ready state to await CPU scheduling.
• It does not necessarily run immediately.
వివరణ:
Question 75
ప్రశ్న 75
Which query type summarizes data using row headings, column headings and an aggregate value?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Crosstab queries produce matrix-style summaries.
• They combine row and column groupings with aggregate values.
• Action queries serve different purposes.
• They combine row and column groupings with aggregate values.
• Action queries serve different purposes.
వివరణ:
Question 76
ప్రశ్న 76
A laser printer produces pages where toner rubs off after printing. Which component is most likely failing?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The fuser bonds toner to paper using heat and pressure.
• Insufficient fusing leaves toner loose.
• The other components do not perform toner bonding.
• Insufficient fusing leaves toner loose.
• The other components do not perform toner bonding.
వివరణ:
Question 77
ప్రశ్న 77
Which utility is launched by msconfig?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• msconfig opens System Configuration.
• It provides boot and service troubleshooting options.
• It is different from Disk Management.
• It provides boot and service troubleshooting options.
• It is different from Disk Management.
వివరణ:
Question 78
ప్రశ్న 78
Which system-software component translates operating-system requests into hardware-specific operations?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Drivers allow the OS to control hardware devices.
• They provide device-specific software interfaces.
• They are part of system software.
• They provide device-specific software interfaces.
• They are part of system software.
వివరణ:
Question 79
ప్రశ్న 79
Which connector carries data between a motherboard SATA controller and a 2.5-inch SATA SSD?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• SATA storage uses a dedicated data cable to the motherboard.
• Power is supplied separately from the PSU.
• ATX and DIMM connectors serve different subsystems.
• Power is supplied separately from the PSU.
• ATX and DIMM connectors serve different subsystems.
వివరణ:
Question 80
ప్రశ్న 80
Which connector is normally used for twisted-pair Ethernet on a PC NIC?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Ethernet over twisted pair commonly uses RJ45-style connectors.
• HDMI and VGA are display connectors.
• A 3.5 mm jack is typically audio.
• HDMI and VGA are display connectors.
• A 3.5 mm jack is typically audio.
వివరణ:
Question 81
ప్రశ్న 81
Which simple CPU register is commonly associated with holding intermediate arithmetic results?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The accumulator is traditionally used for intermediate arithmetic/logic results.
• The Program Counter manages instruction addresses.
• Boot sectors and DHCP tables are unrelated.
• The Program Counter manages instruction addresses.
• Boot sectors and DHCP tables are unrelated.
వివరణ:
Question 82
ప్రశ్న 82
Which Access property is appropriate for enforcing Age Between 18 And 60?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Validation Rule checks whether data satisfies a condition.
• A numeric range can be enforced directly.
• Caption changes display text only.
• A numeric range can be enforced directly.
• Caption changes display text only.
వివరణ:
Question 83
ప్రశ్న 83
Which command repairs the Windows component store using online servicing?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• DISM can service and repair the Windows image.
• RestoreHealth targets component-store corruption.
• File-listing and attribute commands are unrelated.
• RestoreHealth targets component-store corruption.
• File-listing and attribute commands are unrelated.
వివరణ:
Question 84
ప్రశ్న 84
Which Windows console is opened by services.msc?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• services.msc launches the Services management console.
• It is used to view and manage Windows services.
• Other MSC commands launch different administrative tools.
• It is used to view and manage Windows services.
• Other MSC commands launch different administrative tools.
వివరణ:
Question 85
ప్రశ్న 85
Actual malware is present but antivirus does not detect it. What classification is this?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A false negative means a real threat was missed.
• The system may remain compromised.
• This is the opposite of a false positive.
• The system may remain compromised.
• This is the opposite of a false positive.
వివరణ:
Question 86
ప్రశ్న 86
A page is referenced but is not resident in physical RAM. What event occurs?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The OS must handle a reference to a nonresident virtual page.
• It may load the page from backing storage.
• This is a normal virtual-memory event.
• It may load the page from backing storage.
• This is a normal virtual-memory event.
వివరణ:
Question 87
ప్రశ్న 87
Which memory type is commonly used for large-capacity system RAM?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• DRAM provides high density and relatively low cost.
• It is therefore common as main memory.
• SRAM is usually used for smaller cache structures.
• It is therefore common as main memory.
• SRAM is usually used for smaller cache structures.
వివరణ:
Question 88
ప్రశ్న 88
Which feature automatically changes cell appearance when values satisfy specified rules?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Conditional Formatting applies formats based on criteria.
• It can highlight thresholds, duplicates and trends.
• The other options are not Excel conditional display features.
• It can highlight thresholds, duplicates and trends.
• The other options are not Excel conditional display features.
వివరణ:
Question 89
ప్రశ్న 89
Which command shows detailed TCP/IP adapter configuration?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• ipconfig /all displays addresses, DNS, DHCP and adapter details.
• It is useful for network troubleshooting.
• The other commands are file-system commands.
• It is useful for network troubleshooting.
• The other commands are file-system commands.
వివరణ:
Question 90
ప్రశ్న 90
Which feature inserts explanatory reference text at the bottom of the current page?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Footnotes appear at the bottom of the page.
• They are linked to reference marks in the document.
• Endnotes normally appear at the end of a section or document.
• They are linked to reference marks in the document.
• Endnotes normally appear at the end of a section or document.
వివరణ:
Question 91
ప్రశ్న 91
Which constraint is appropriate for enforcing Marks BETWEEN 0 AND 100?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• CHECK validates a Boolean condition on row values.
• A numeric range can therefore be enforced directly.
• ORDER BY only affects result ordering.
• A numeric range can therefore be enforced directly.
• ORDER BY only affects result ordering.
వివరణ:
Question 92
ప్రశ్న 92
Which nonvolatile memory is electrically erasable and rewritable?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• EEPROM retains data without power.
• It can be electrically erased and reprogrammed.
• The other listed memories are volatile.
• It can be electrically erased and reprogrammed.
• The other listed memories are volatile.
వివరణ:
Question 93
ప్రశ్న 93
Which output device is most suitable for displaying computer video interactively?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A monitor is a visual output device.
• Scanners and microphones are input devices.
• Barcode readers capture coded information.
• Scanners and microphones are input devices.
• Barcode readers capture coded information.
వివరణ:
Question 94
ప్రశ్న 94
What does =ROUND(42.368,2) return?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The third decimal digit is 8.
• Rounding to two decimal places increases the hundredths digit.
• The final value is 42.37.
• Rounding to two decimal places increases the hundredths digit.
• The final value is 42.37.
వివరణ:
Question 95
ప్రశ్న 95
Cell D3 contains =$B3+C$1 and is copied to G6. What formula appears in G6?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The copy moves three columns right and three rows down.
• $B3 becomes $B6 because column B is fixed.
• C$1 becomes F$1 because row 1 is fixed.
• $B3 becomes $B6 because column B is fixed.
• C$1 becomes F$1 because row 1 is fixed.
వివరణ:
Question 96
ప్రశ్న 96
A desktop randomly resets only under combined CPU and GPU stress. Which hardware cause should be investigated early?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Heavy CPU/GPU load increases electrical demand.
• An inadequate or failing PSU can cause resets when demand rises.
• Application settings cannot explain load-dependent power resets.
• An inadequate or failing PSU can cause resets when demand rises.
• Application settings cannot explain load-dependent power resets.
వివరణ:
Question 97
ప్రశ్న 97
A generated Table of Contents shows old page numbers after major edits. What should be done?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Automatic TOCs can be refreshed.
• Updating recalculates entries and page numbers.
• Reinstallation is unnecessary.
• Updating recalculates entries and page numbers.
• Reinstallation is unnecessary.
వివరణ:
Question 98
ప్రశ్న 98
Which component provides the mechanical and electrical connection between a desktop CPU and motherboard?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The processor is installed in a compatible CPU socket.
• Socket type is one element of CPU-motherboard compatibility.
• DIMM and SATA connectors serve memory and storage.
• Socket type is one element of CPU-motherboard compatibility.
• DIMM and SATA connectors serve memory and storage.
వివరణ:
Question 99
ప్రశ్న 99
A wired keyboard works in one USB port but not another. What does this suggest?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The keyboard has already demonstrated that it can work.
• Testing the problem port with another device helps isolate the fault.
• Immediate OS reinstallation is unnecessary.
• Testing the problem port with another device helps isolate the fault.
• Immediate OS reinstallation is unnecessary.
వివరణ:
Question 100
ప్రశ్న 100
What is an interrupt used for?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Interrupts allow asynchronous event handling.
• Devices and software can generate interrupts.
• They reduce the need for continuous polling.
• Devices and software can generate interrupts.
• They reduce the need for continuous polling.
వివరణ:
Question 101
ప్రశ్న 101
Which condition occurs when excessive page faults dominate system activity?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Thrashing means the system spends too much time paging.
• Useful execution falls dramatically.
• It is often related to insufficient effective RAM for active working sets.
• Useful execution falls dramatically.
• It is often related to insufficient effective RAM for active working sets.
వివరణ:
Question 102
ప్రశ్న 102
Which CPU component performs bitwise AND, OR and arithmetic addition?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Arithmetic Logic Unit performs arithmetic and Boolean logic.
• Program Counter and Instruction Register are control/state registers.
• The ALU is central to executing arithmetic and comparison operations.
• Program Counter and Instruction Register are control/state registers.
• The ALU is central to executing arithmetic and comparison operations.
వివరణ:
Question 103
ప్రశ్న 103
Which condition occurs when processes are stuck in a circular wait for resources?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A circular wait can prevent all participating processes from progressing.
• This is the classic deadlock condition.
• It is distinct from memory paging problems.
• This is the classic deadlock condition.
• It is distinct from memory paging problems.
వివరణ:
Question 104
ప్రశ్న 104
B2 contains 82 and C2 contains 76. What does =IF(AND(B2>=80,C2>=75),"YES","NO") return?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 82>=80 is TRUE.
• 76>=75 is also TRUE.
• AND returns TRUE, so IF returns YES.
• 76>=75 is also TRUE.
• AND returns TRUE, so IF returns YES.
వివరణ:
Question 105
ప్రశ్న 105
Which statement correctly compares volatile and nonvolatile memory?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Volatility describes dependence on power for data retention.
• RAM is typically volatile, while flash/ROM is nonvolatile.
• Speed is not what defines volatility.
• RAM is typically volatile, while flash/ROM is nonvolatile.
• Speed is not what defines volatility.
వివరణ:
Question 106
ప్రశ్న 106
Which CPU unit interprets the opcode of an instruction and coordinates control signals for execution?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Control Unit decodes instructions and directs processor activity.
• The ALU performs arithmetic and logical operations.
• The SMPS is a power-supply component.
• The ALU performs arithmetic and logical operations.
• The SMPS is a power-supply component.
వివరణ:
Question 107
ప్రశ్న 107
Which security mechanism primarily protects confidentiality by converting plaintext into ciphertext?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Encryption hides readable content from unauthorized parties.
• Decryption requires the appropriate cryptographic key.
• Hashing is not intended to be reversible.
• Decryption requires the appropriate cryptographic key.
• Hashing is not intended to be reversible.
వివరణ:
Question 108
ప్రశ్న 108
Which field property helps enforce a structured entry pattern such as a telephone number?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Input Mask controls the pattern used during entry.
• It is useful for formatted identifiers and phone numbers.
• Validation Rule instead tests logical conditions.
• It is useful for formatted identifiers and phone numbers.
• Validation Rule instead tests logical conditions.
వివరణ:
Question 109
ప్రశ్న 109
A firmware screen shows that all major hardware is detected, but the system says 'No bootable device'. Which area should be checked next?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Hardware detection alone does not prove that a valid boot loader exists.
• Boot priority or a missing/corrupt boot installation can produce this message.
• Peripheral application settings are unrelated.
• Boot priority or a missing/corrupt boot installation can produce this message.
• Peripheral application settings are unrelated.
వివరణ:
Question 110
ప్రశ్న 110
A1:A6 contain 8,12,16,20,24,28. What does =SUM(A1:A6) return?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 8+12+16+20+24+28 = 108.
• SUM adds all numeric values in the range.
• Therefore the result is 108.
• SUM adds all numeric values in the range.
• Therefore the result is 108.
వివరణ:
Question 111
ప్రశ్న 111
Which header/footer option permits a special first-page header within a section?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Different First Page separates the first-page header/footer.
• It is useful for title pages and chapter openings.
• Odd/even settings solve a different layout need.
• It is useful for title pages and chapter openings.
• Odd/even settings solve a different layout need.
వివరణ:
Question 112
ప్రశ్న 112
Which device converts sound waves into an electrical/digital input signal?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A microphone captures acoustic input.
• Speakers perform the reverse output function.
• Monitors and printers provide visual/hard-copy output.
• Speakers perform the reverse output function.
• Monitors and printers provide visual/hard-copy output.
వివరణ:
Question 113
ప్రశ్న 113
A webcam is not detected after connection. Which troubleshooting sequence is best?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Start with physical connectivity.
• Then verify whether Windows recognizes the device.
• Privacy settings can also affect application access.
• Then verify whether Windows recognizes the device.
• Privacy settings can also affect application access.
వివరణ:
Question 114
ప్రశ్న 114
Which command traces successive IP hops toward a remote destination?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• tracert reveals the route hop by hop.
• It helps diagnose path problems.
• COPY and VER perform unrelated tasks.
• It helps diagnose path problems.
• COPY and VER perform unrelated tasks.
వివరణ:
Question 115
ప్రశ్న 115
Which SQL statement permanently finalizes a successful transaction?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• COMMIT completes a transaction.
• Committed changes become durable.
• ROLLBACK cancels applicable uncommitted changes.
• Committed changes become durable.
• ROLLBACK cancels applicable uncommitted changes.
వివరణ:
Question 116
ప్రశ్న 116
Which security mechanism typically filters packets based on source/destination addresses, protocol and ports?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Packet filters evaluate network/transport header fields.
• Rules can permit or deny matching packets.
• They do not provide Office or storage functions.
• Rules can permit or deny matching packets.
• They do not provide Office or storage functions.
వివరణ:
Question 117
ప్రశ్న 117
A thin layer of thermal compound is applied between CPU and heat sink mainly to do what?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Microscopic surface gaps can trap thermally insulating air.
• Thermal compound improves contact between the two surfaces.
• It is not a power or storage component.
• Thermal compound improves contact between the two surfaces.
• It is not a power or storage component.
వివరణ:
Question 118
ప్రశ్న 118
What does =MOD(52,9) return?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 52 = 9×5 + 7.
• MOD returns the remainder.
• Therefore the output is 7.
• MOD returns the remainder.
• Therefore the output is 7.
వివరణ:
Question 119
ప్రశ్న 119
How should only one page in the middle of a document be changed to landscape while the rest remains portrait?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Section breaks create independent layout regions.
• Orientation can then be applied only to that section.
• A page break alone does not create separate section formatting.
• Orientation can then be applied only to that section.
• A page break alone does not create separate section formatting.
వివరణ:
Question 120
ప్రశ్న 120
Which Access object physically stores fields and records?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Tables are the main data-storage objects.
• Fields define columns and records occupy rows.
• Forms and reports present data rather than primarily storing it.
• Fields define columns and records occupy rows.
• Forms and reports present data rather than primarily storing it.
వివరణ:
Question 121
ప్రశ్న 121
Which term best describes a program currently executing with its associated state and resources?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A process is an active program instance.
• The OS tracks its state and resources.
• A file name or database field is not an executing task.
• The OS tracks its state and resources.
• A file name or database field is not an executing task.
వివరణ:
Question 122
ప్రశ్న 122
Which device forwards IP packets between different networks?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Routers interconnect IP networks.
• They use routing tables and destination IP networks.
• Switches primarily forward Ethernet frames locally.
• They use routing tables and destination IP networks.
• Switches primarily forward Ethernet frames locally.
వివరణ:
Question 123
ప్రశ్న 123
A system has 24 GiB of RAM. Using 1 GiB = 1024 MiB, how many MiB is this?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 24 × 1024 = 24576.
• Binary memory units use 1024 MiB per GiB.
• Therefore 24 GiB equals 24576 MiB.
• Binary memory units use 1024 MiB per GiB.
• Therefore 24 GiB equals 24576 MiB.
వివరణ:
Question 124
ప్రశ్న 124
Which firewall type tracks established connections and uses that state when evaluating packets?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Stateful firewalls maintain connection information.
• Return traffic can be validated in context.
• Stateless filters evaluate packets independently.
• Return traffic can be validated in context.
• Stateless filters evaluate packets independently.
వివరణ:
Question 125
ప్రశ్న 125
Which motherboard slot is designed for desktop memory modules?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Desktop RAM modules are installed in DIMM sockets.
• PCIe slots are for expansion cards.
• SATA ports connect storage devices.
• PCIe slots are for expansion cards.
• SATA ports connect storage devices.
వివరణ:
Question 126
ప్రశ్న 126
Which mechanism produces a one-way digest used for integrity verification?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Hash functions map data to fixed-size digests.
• They are designed to be one-way.
• Digest comparison can reveal data changes.
• They are designed to be one-way.
• Digest comparison can reveal data changes.
వివరణ:
Question 127
ప్రశ్న 127
Which design best displays one Case and all its related Evidence records on a single Access screen?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A main form/subform structure supports one-to-many data entry and viewing.
• The parent record can be shown with related child records.
• This preserves relational structure.
• The parent record can be shown with related child records.
• This preserves relational structure.
వివరణ:
Question 128
ప్రశ్న 128
Which database object can accelerate suitable searches but adds storage and update-maintenance overhead?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Indexes provide auxiliary access paths.
• They can improve search and sort performance.
• They must be maintained when indexed data changes.
• They can improve search and sort performance.
• They must be maintained when indexed data changes.
వివరణ:
Question 129
ప్రశ్న 129
Which feature is best for quickly summarizing thousands of rows by fields such as District, Month and Total?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• PivotTables summarize large tabular data interactively.
• Fields can be grouped and aggregated.
• The other options belong to different applications.
• Fields can be grouped and aggregated.
• The other options belong to different applications.
వివరణ:
Question 130
ప్రశ్న 130
Which component performs AC-to-DC conversion for motherboard, CPU and drives in a desktop PC?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The PSU converts mains AC to regulated DC rails.
• Internal components depend on those DC outputs.
• NICs and routers handle networking.
• Internal components depend on those DC outputs.
• NICs and routers handle networking.
వివరణ:
Question 131
ప్రశ్న 131
Which function counts cells that are not empty?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• COUNTA counts non-empty cells.
• COUNTBLANK counts empty cells.
• COUNT counts numeric cells only.
• COUNTBLANK counts empty cells.
• COUNT counts numeric cells only.
వివరణ:
Question 132
ప్రశ్న 132
Which console is opened by devmgmt.msc?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• devmgmt.msc opens Device Manager.
• It shows hardware and driver status.
• Services uses services.msc.
• It shows hardware and driver status.
• Services uses services.msc.
వివరణ:
Question 133
ప్రశ్న 133
A PC receives an address in 169.254.0.0/16 when DHCP should be available. What does this usually indicate?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 169.254.0.0/16 is IPv4 link-local/APIPA space.
• Windows commonly uses it when DHCP fails.
• It is not a normal DHCP-assigned routed address.
• Windows commonly uses it when DHCP fails.
• It is not a normal DHCP-assigned routed address.
వివరణ:
Question 134
ప్రశ్న 134
Which query type removes records satisfying specified criteria?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Delete queries remove qualifying rows.
• They can affect many records at once.
• Backups and criteria verification are prudent.
• They can affect many records at once.
• Backups and criteria verification are prudent.
వివరణ:
Question 135
ప్రశ్న 135
A1:A6 contain 8,12,16,20,24,28. What does =AVERAGE(A1:A6) return?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The total is 108.
• There are six values.
• 108 ÷ 6 = 18.
• There are six values.
• 108 ÷ 6 = 18.
వివరణ:
Question 136
ప్రశ్న 136
Which locality principle explains repeated use of the same instructions inside a loop?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Temporal locality predicts reuse of recently accessed items.
• Loop instructions are repeatedly fetched.
• Caches exploit this repeated use.
• Loop instructions are repeatedly fetched.
• Caches exploit this repeated use.
వివరణ:
Question 137
ప్రశ్న 137
A CPU must choose the next instruction after a conditional branch is taken. Which register is loaded with the branch target address?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Program Counter controls the address used for the next instruction fetch.
• A taken branch changes normal sequential flow by loading the target address into the Program Counter.
• The Instruction Register holds the current instruction, not the next fetch address.
• A taken branch changes normal sequential flow by loading the target address into the Program Counter.
• The Instruction Register holds the current instruction, not the next fetch address.
వివరణ:
Question 138
ప్రశ్న 138
Two transactions each hold a lock the other needs, creating a circular wait. What is this?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Circular lock dependency can halt progress.
• Neither transaction can continue without intervention.
• The DBMS may choose a victim transaction to break the deadlock.
• Neither transaction can continue without intervention.
• The DBMS may choose a victim transaction to break the deadlock.
వివరణ:
Question 139
ప్రశ్న 139
What does =POWER(2,7) return?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• POWER(2,7) means 2 raised to the seventh power.
• 2^7 = 128.
• Therefore the function returns 128.
• 2^7 = 128.
• Therefore the function returns 128.
వివరణ:
Question 140
ప్రశ్న 140
Which device converts electrical audio signals into audible sound?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Speakers are audio output devices.
• They convert electrical signals into sound.
• Microphones are audio input devices.
• They convert electrical signals into sound.
• Microphones are audio input devices.
వివరణ:
Question 141
ప్రశ్న 141
Which What-If Analysis tool changes one input to make a formula reach a specified target?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Goal Seek works backward from a target result.
• It changes a specified input cell.
• It is designed for single-variable target solving.
• It changes a specified input cell.
• It is designed for single-variable target solving.
వివరణ:
Question 142
ప్రశ్న 142
A1:A6 contain 8,12,16,20,24,28. What does =COUNTIF(A1:A6,">20") return?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Only 24 and 28 are strictly greater than 20.
• COUNTIF counts cells that meet the criterion.
• Therefore the result is 2.
• COUNTIF counts cells that meet the criterion.
• Therefore the result is 2.
వివరణ:
Question 143
ప్రశ్న 143
Which header/footer option permits different content on odd and even pages?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The option creates separate odd/even headers and footers.
• It is useful in book-style documents.
• Different First Page affects only the first page.
• It is useful in book-style documents.
• Different First Page affects only the first page.
వివరణ:
Question 144
ప్రశ్న 144
Which statement correctly describes the Internet?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Internet interconnects many independently operated networks.
• TCP/IP is fundamental to that interconnection.
• It is much broader than one organizational LAN.
• TCP/IP is fundamental to that interconnection.
• It is much broader than one organizational LAN.
వివరణ:
Question 145
ప్రశ్న 145
Which console is opened by diskmgmt.msc?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• diskmgmt.msc opens Disk Management.
• It manages disks, partitions, volumes and drive letters.
• Event Viewer serves log analysis.
• It manages disks, partitions, volumes and drive letters.
• Event Viewer serves log analysis.
వివరణ:
Question 146
ప్రశ్న 146
Which Access object is intended for formatted printed output with grouping and totals?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Reports present data in a printable format.
• They support grouping, headers, footers and totals.
• Tables store raw records.
• They support grouping, headers, footers and totals.
• Tables store raw records.
వివరణ:
Question 147
ప్రశ్న 147
Which protocol is commonly used to automatically assign IP configuration to client systems?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• DHCP can supply IP address, subnet mask, gateway and DNS settings.
• It automates client network configuration.
• HTTP and FTP serve different application purposes.
• It automates client network configuration.
• HTTP and FTP serve different application purposes.
వివరణ:
Question 148
ప్రశ్న 148
Which memory is normally fastest among registers, cache, RAM and SSD?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Registers are located within the CPU execution environment.
• Cache is very fast but generally below register speed.
• RAM and SSD are progressively slower.
• Cache is very fast but generally below register speed.
• RAM and SSD are progressively slower.
వివరణ:
Question 149
ప్రశ్న 149
Which interface is the standard high-speed expansion bus for modern graphics cards and many NVMe adapter cards?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• PCI Express is the dominant modern expansion interconnect.
• It provides multiple high-speed serial lanes.
• PS/2 and VGA are peripheral/display interfaces rather than expansion buses.
• It provides multiple high-speed serial lanes.
• PS/2 and VGA are peripheral/display interfaces rather than expansion buses.
వివరణ:
Question 150
ప్రశ్న 150
Which ROM technology is traditionally erased using ultraviolet light?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• EPROM stands for Erasable Programmable ROM.
• Traditional EPROM uses UV exposure for erasure.
• EEPROM is erased electrically.
• Traditional EPROM uses UV exposure for erasure.
• EEPROM is erased electrically.
వివరణ:
Question 151
ప్రశ్న 151
Which pane displays a heading hierarchy for quick movement through a long Word document?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Navigation Pane can list headings generated from styles.
• Users can jump between sections.
• The other panes/tools belong elsewhere.
• Users can jump between sections.
• The other panes/tools belong elsewhere.
వివరణ:
Question 152
ప్రశ్న 152
Which description best fits an intranet?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• An intranet serves an organization's authorized community.
• It can use common Internet technologies such as HTTP/HTTPS.
• It is not the global public Internet.
• It can use common Internet technologies such as HTTP/HTTPS.
• It is not the global public Internet.
వివరణ:
Question 153
ప్రశ్న 153
Which firewall policy blocks all traffic unless a rule explicitly allows it?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Default deny rejects unmatched traffic.
• Only explicitly permitted flows are allowed.
• This minimizes unnecessary exposure.
• Only explicitly permitted flows are allowed.
• This minimizes unnecessary exposure.
వివరణ:
Question 154
ప్రశ్న 154
A motherboard supports dual-channel memory. What is generally required for proper dual-channel operation?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Dual-channel operation depends on channel pairing.
• Motherboard documentation identifies the correct slot population order.
• PCIe slots are not memory sockets.
• Motherboard documentation identifies the correct slot population order.
• PCIe slots are not memory sockets.
వివరణ:
Question 155
ప్రశ్న 155
Which service resolves domain names into records such as IP addresses?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• DNS provides distributed name resolution.
• It maps human-readable names to resource records.
• DHCP performs host configuration.
• It maps human-readable names to resource records.
• DHCP performs host configuration.
వివరణ:
Question 156
ప్రశ్న 156
Which register contains the instruction currently being decoded/executed in a simple CPU model?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Instruction Register stores the current instruction.
• The Program Counter normally stores the address of the next instruction.
• This distinction is a standard architecture concept.
• The Program Counter normally stores the address of the next instruction.
• This distinction is a standard architecture concept.
వివరణ:
Question 157
ప్రశ్న 157
Which technique loads a virtual-memory page into RAM only when it is first needed?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Demand paging defers page loading until a reference occurs.
• It is a virtual-memory strategy.
• It is unrelated to storage redundancy or Office features.
• It is a virtual-memory strategy.
• It is unrelated to storage redundancy or Office features.
వివరణ:
Question 158
ప్రశ్న 158
Which feature applies a visual effect when advancing from one slide to another?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Transitions occur between slides.
• Animations affect objects within a slide.
• Mail Merge and PivotTable belong elsewhere.
• Animations affect objects within a slide.
• Mail Merge and PivotTable belong elsewhere.
వివరణ:
Question 159
ప్రశ్న 159
Which query type asks the user to enter a criterion when the query runs?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Parameter queries prompt for input at execution time.
• The entered value can be used in criteria.
• This makes a query reusable with different values.
• The entered value can be used in criteria.
• This makes a query reusable with different values.
వివరణ:
Question 160
ప్రశ్న 160
An Access AutoNumber primary key must be referenced from a related table. Which foreign-key field type is normally suitable?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• AutoNumber keys commonly use Long Integer-sized numeric values.
• The foreign key should use a compatible Number/Long Integer type.
• Text and attachment types do not match.
• The foreign key should use a compatible Number/Long Integer type.
• Text and attachment types do not match.
వివరణ:
Question 161
ప్రశ్న 161
Which memory type is commonly used for processor cache?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• SRAM offers very low access latency.
• It does not require refresh while powered.
• Its cost and density make it suitable for smaller caches.
• It does not require refresh while powered.
• Its cost and density make it suitable for smaller caches.
వివరణ:
Question 162
ప్రశ్న 162
Process P1 is suspended, its CPU register state is saved, and Process P2's saved state is restored so it can run. What operation has occurred?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The OS must preserve the old task's CPU state.
• It then restores the state of the next task.
• This operation supports multitasking.
• It then restores the state of the next task.
• This operation supports multitasking.
వివరణ:
Question 163
ప్రశ్న 163
Which Arrange command equalizes the horizontal spacing among selected objects?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Distribute Horizontally makes spacing between selected objects even.
• Alignment changes edge positions, not spacing.
• Grouping does not automatically redistribute objects.
• Alignment changes edge positions, not spacing.
• Grouping does not automatically redistribute objects.
వివరణ:
Question 164
ప్రశ్న 164
A PC reports no video after installing a discrete GPU, but integrated graphics worked previously. Which check should be performed first?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Display routing may change when a discrete GPU is installed.
• Many GPUs also require auxiliary PCIe power.
• These hardware checks precede application troubleshooting.
• Many GPUs also require auxiliary PCIe power.
• These hardware checks precede application troubleshooting.
వివరణ:
Question 165
ప్రశ్న 165
A transaction reads the same existing row twice and sees different committed values because another transaction updated it between the reads. What anomaly is this?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The same row returns a changed value between reads.
• The intervening update was committed by another transaction.
• This is a non-repeatable read.
• The intervening update was committed by another transaction.
• This is a non-repeatable read.
వివరణ:
Question 166
ప్రశ్న 166
Which scheduling property allows the OS to interrupt a currently running task?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Preemptive systems can suspend a running task before it voluntarily yields.
• This supports time slicing and priority-based scheduling.
• The other terms belong to storage, I/O and databases.
• This supports time slicing and priority-based scheduling.
• The other terms belong to storage, I/O and databases.
వివరణ:
Question 167
ప్రశ్న 167
Which device forwards Ethernet frames primarily by using destination MAC addresses?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A switch learns and uses MAC-address information.
• It forwards frames within a LAN.
• Routers make inter-network IP forwarding decisions.
• It forwards frames within a LAN.
• Routers make inter-network IP forwarding decisions.
వివరణ:
Question 168
ప్రశ్న 168
A PC does not power on after assembly. Which pair of power connectors should be verified early on an ATX motherboard?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• ATX systems require main motherboard power and a separate CPU power feed.
• A missing CPU auxiliary connector can prevent startup.
• Display and network connectors do not supply motherboard operating power.
• A missing CPU auxiliary connector can prevent startup.
• Display and network connectors do not supply motherboard operating power.
వివరణ:
Question 169
ప్రశ్న 169
A user installs an M.2 SATA SSD into an M.2 slot that supports only PCIe/NVMe. The drive is not detected. What is the best explanation?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• M.2 describes a physical module form factor.
• M.2 slots may support SATA, PCIe/NVMe or both.
• Protocol compatibility is required for detection.
• M.2 slots may support SATA, PCIe/NVMe or both.
• Protocol compatibility is required for detection.
వివరణ:
Question 170
ప్రశ్న 170
Which device is designed to detect filled marks on answer sheets?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• OMR detects marked positions.
• It is used for standardized forms and answer sheets.
• OCR recognizes general printed text.
• It is used for standardized forms and answer sheets.
• OCR recognizes general printed text.
వివరణ:
Question 171
ప్రశ్న 171
Which device is best suited for producing large CAD drawings on wide media?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Large-format devices handle oversized technical graphics.
• They are commonly used for CAD output.
• Input devices do not produce such hard copy.
• They are commonly used for CAD output.
• Input devices do not produce such hard copy.
వివరణ:
Question 172
ప్రశ్న 172
Which feature can make a shape open another slide when clicked during a slide show?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Actions and hyperlinks can navigate to specified slides.
• They support interactive presentations.
• Image compression and handout design do not provide navigation.
• They support interactive presentations.
• Image compression and handout design do not provide navigation.
వివరణ:
Question 173
ప్రశ్న 173
A clean file is incorrectly quarantined as malware. What classification is this?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A false positive incorrectly labels benign content as malicious.
• This can cause unnecessary quarantine.
• A false negative is missed malware.
• This can cause unnecessary quarantine.
• A false negative is missed malware.
వివరణ:
Question 174
ప్రశ్న 174
Which OS feature gives processes isolated address spaces and can use secondary storage as backing for nonresident pages?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Virtual memory maps process addresses to physical memory.
• Backing storage can hold pages not currently resident.
• It also supports address-space isolation.
• Backing storage can hold pages not currently resident.
• It also supports address-space isolation.
వివరణ:
Question 175
ప్రశ్న 175
A cache records 1840 hits in 2000 accesses. What is the hit rate?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Hit rate = hits ÷ total accesses.
• 1840 ÷ 2000 = 0.92.
• Thus the cache hit rate is 92%.
• 1840 ÷ 2000 = 0.92.
• Thus the cache hit rate is 92%.
వివరణ:
Question 176
ప్రశ్న 176
Why does password plus PIN not normally count as two-factor authentication?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A password is something the user knows.
• A PIN is also something the user knows.
• Two secrets from one category do not create two-factor authentication.
• A PIN is also something the user knows.
• Two secrets from one category do not create two-factor authentication.
వివరణ:
Question 177
ప్రశ్న 177
Which OS component selects a process from the ready queue for CPU execution?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The scheduler decides which runnable task receives CPU time.
• Scheduling policy affects responsiveness and fairness.
• Indexes and compression are unrelated.
• Scheduling policy affects responsiveness and fairness.
• Indexes and compression are unrelated.
వివరణ:
Question 178
ప్రశ్న 178
Which order correctly represents the memory hierarchy from fastest to slowest?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Registers provide the fastest direct CPU storage.
• Cache sits between registers and main memory.
• Secondary storage is larger but slower.
• Cache sits between registers and main memory.
• Secondary storage is larger but slower.
వివరణ:
Question 179
ప్రశ్న 179
Which OS subsystem is responsible for organizing files, directories and permissions on storage?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The OS manages file names, directories and metadata.
• It also enforces file access permissions.
• Hardware manufacturing is unrelated.
• It also enforces file access permissions.
• Hardware manufacturing is unrelated.
వివరణ:
Question 180
ప్రశ్న 180
An employee portal is available only to staff after secure remote access. What type of resource is it?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The portal is restricted to authorized organizational users.
• Remote access does not change its private organizational role.
• That is characteristic of an intranet service.
• Remote access does not change its private organizational role.
• That is characteristic of an intranet service.
వివరణ:
Question 181
ప్రశ్న 181
In Excel, a range contains numeric values 18, 42, 7 and 31. Which function should be used to return 7 from that range?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• MIN returns the least numeric value.
• MAX returns the greatest.
• COUNT counts numeric cells.
• MAX returns the greatest.
• COUNT counts numeric cells.
వివరణ:
Question 182
ప్రశ్న 182
Which console is opened by eventvwr.msc?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• eventvwr.msc opens Event Viewer.
• It displays application, system and security logs.
• Device Manager uses devmgmt.msc.
• It displays application, system and security logs.
• Device Manager uses devmgmt.msc.
వివరణ:
Question 183
ప్రశ్న 183
Which normal form removes partial dependency on part of a composite key?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 2NF requires 1NF and removes partial dependency on part of a candidate key.
• This mainly matters with composite keys.
• 3NF further addresses transitive dependency.
• This mainly matters with composite keys.
• 3NF further addresses transitive dependency.
వివరణ:
Question 184
ప్రశ్న 184
Which Windows command lists files and folders in the current directory?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• DIR displays directory contents.
• DEL removes files.
• REN changes names.
• DEL removes files.
• REN changes names.
వివరణ:
Question 185
ప్రశ్న 185
Which SQL statement reverses applicable uncommitted changes?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• ROLLBACK undoes uncommitted transaction work.
• It is used after errors or explicit cancellation.
• COMMIT has the opposite effect.
• It is used after errors or explicit cancellation.
• COMMIT has the opposite effect.
వివరణ:
Question 186
ప్రశ్న 186
Which printer type uses liquid ink delivered through nozzles?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Inkjet printers spray microscopic droplets of liquid ink.
• Laser printers use toner.
• Dot-matrix printers use impact pins.
• Laser printers use toner.
• Dot-matrix printers use impact pins.
వివరణ:
Question 187
ప్రశ్న 187
Which command checks protected Windows system files and repairs them when possible?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• SFC validates protected system files.
• /scannow performs an immediate integrity scan.
• Network commands do not repair system files.
• /scannow performs an immediate integrity scan.
• Network commands do not repair system files.
వివరణ:
Question 188
ప్రశ్న 188
What does a cache miss mean?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A cache miss means the lookup did not find the requested item.
• The hierarchy must access another cache level or main memory.
• It is the opposite of a cache hit.
• The hierarchy must access another cache level or main memory.
• It is the opposite of a cache hit.
వివరణ:
Question 189
ప్రశ్న 189
Cell F4 contains =C$2+$D4 and is copied to H7. What formula appears in H7?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The copy moves two columns right and three rows down.
• C$2 becomes E$2 because row 2 is fixed.
• $D4 becomes $D7 because column D is fixed.
• C$2 becomes E$2 because row 2 is fixed.
• $D4 becomes $D7 because column D is fixed.
వివరణ:
Question 190
ప్రశ్న 190
Which command sets the Hidden attribute on CASE.DAT?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• +H sets the Hidden attribute.
• -H clears Hidden.
• +R sets Read-only instead.
• -H clears Hidden.
• +R sets Read-only instead.
వివరణ:
Question 191
ప్రశ్న 191
Which ACID property controls interaction and visibility among concurrent transactions?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Isolation defines how concurrent transactions may observe one another's effects.
• Different isolation levels prevent different anomalies.
• It is a concurrency property.
• Different isolation levels prevent different anomalies.
• It is a concurrency property.
వివరణ:
Question 192
ప్రశ్న 192
Which query type changes field values in existing matching records?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Update queries modify existing records.
• Criteria determine which records are changed.
• Append queries insert new rows.
• Criteria determine which records are changed.
• Append queries insert new rows.
వివరణ:
Question 193
ప్రశ్న 193
Which printer type commonly uses impact pins and an ink ribbon?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Dot-matrix printers are impact devices.
• Pins strike a ribbon against paper.
• Laser and inkjet printers are non-impact technologies.
• Pins strike a ribbon against paper.
• Laser and inkjet printers are non-impact technologies.
వివరణ:
Question 194
ప్రశ్న 194
Which device provides short-term battery-backed power during a mains failure?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A UPS can power equipment temporarily during outages.
• It can allow safe shutdown.
• It is not a data-entry or networking device.
• It can allow safe shutdown.
• It is not a data-entry or networking device.
వివరణ:
Question 195
ప్రశ్న 195
Which ACID property means either all operations of a transaction occur or none do?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Atomicity provides all-or-nothing transaction behavior.
• A failed transaction can be rolled back.
• Isolation and durability address different guarantees.
• A failed transaction can be rolled back.
• Isolation and durability address different guarantees.
వివరణ:
Question 196
ప్రశ్న 196
Which query type inserts selected records into an existing table?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Append queries add new rows to an existing table.
• They do not modify existing rows in place.
• Update queries change existing values.
• They do not modify existing rows in place.
• Update queries change existing values.
వివరణ:
Question 197
ప్రశ్న 197
Which feature controls entrance, emphasis and exit effects on objects?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Animations target slide objects.
• They can control timing and order.
• Transitions are slide-to-slide effects.
• They can control timing and order.
• Transitions are slide-to-slide effects.
వివరణ:
Question 198
ప్రశ్న 198
Which protocol provides secure web communication using TLS?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• HTTPS is HTTP protected by TLS.
• It provides encrypted web communication.
• Telnet is not a secure web protocol.
• It provides encrypted web communication.
• Telnet is not a secure web protocol.
వివరణ:
Question 199
ప్రశ్న 199
Two concurrent transactions read the same old value and later one overwrites the other's update. What anomaly can result?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• One transaction's change can be overwritten by another.
• Concurrency control is needed to prevent this anomaly.
• It is distinct from reading uncommitted data.
• Concurrency control is needed to prevent this anomaly.
• It is distinct from reading uncommitted data.
వివరణ:
Question 200
ప్రశ్న 200
Which feature prevents a foreign key from referencing a nonexistent parent record?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Referential integrity enforces valid relationships.
• It can prevent orphaned records.
• The other features belong to different applications.
• It can prevent orphaned records.
• The other features belong to different applications.
వివరణ:
Answer Key సమాధానాల పట్టిక
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Question 1 ప్రశ్న 1Answer: B. Connect the CPU cooler fan to the CPU_FAN header. సమాధానం: B.
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Question 2 ప్రశ్న 2Answer: D. Application-proxy gateway సమాధానం: D.
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Question 3 ప్రశ్న 3Answer: B. Notes Pages సమాధానం: B.
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Question 4 ప్రశ్న 4Answer: A. Dirty read సమాధానం: A.
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Question 5 ప్రశ్న 5Answer: A. Privilege separation between user mode and kernel mode సమాధానం: A.
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Question 6 ప్రశ్న 6Answer: D. Primary key సమాధానం: D.
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Question 7 ప్రశ్న 7Answer: A. MICR సమాధానం: A.
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Question 8 ప్రశ్న 8Answer: C. The VPN protects the communication path but does not remove malware already on the endpoint. సమాధానం: C.
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Question 9 ప్రశ్న 9Answer: D. Record Slide Show సమాధానం: D.
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Question 10 ప్రశ్న 10Answer: C. REN OLD.TXT NEW.TXT సమాధానం: C.
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Question 11 ప్రశ్న 11Answer: A. Running → Waiting/Blocked సమాధానం: A.
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Question 12 ప్రశ్న 12Answer: A. Slide Master సమాధానం: A.
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Question 13 ప్రశ్న 13Answer: B. ping సమాధానం: B.
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Question 14 ప్రశ్న 14Answer: A. User Account Control (UAC) సమాధానం: A.
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Question 15 ప్రశ్న 15Answer: C. Custom Slide Show సమాధానం: C.
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Question 16 ప్రశ్న 16Answer: A. 24 GiB సమాధానం: A.
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Question 17 ప్రశ్న 17Answer: C. Durability సమాధానం: C.
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Question 18 ప్రశ్న 18Answer: B. It coordinates platform I/O and connectivity functions supported by the motherboard. సమాధానం: B.
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Question 19 ప్రశ్న 19Answer: A. 160 సమాధానం: A.
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Question 20 ప్రశ్న 20Answer: B. Central switch/hub and its power సమాధానం: B.
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Question 21 ప్రశ్న 21Answer: B. Presenter View సమాధానం: B.
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Question 22 ప్రశ్న 22Answer: A. Authentication సమాధానం: A.
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Question 23 ప్రశ్న 23Answer: C. DNS సమాధానం: C.
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Question 24 ప్రశ్న 24Answer: C. MAX సమాధానం: C.
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Question 25 ప్రశ్న 25Answer: A. Form సమాధానం: A.
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Question 26 ప్రశ్న 26Answer: D. Update the motherboard firmware to a version supporting the CPU, using a supported method. సమాధానం: D.
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Question 27 ప్రశ్న 27Answer: A. Query సమాధానం: A.
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Question 28 ప్రశ్న 28Answer: D. MD EVIDENCE సమాధానం: D.
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Question 29 ప్రశ్న 29Answer: C. Print Spooler సమాధానం: C.
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Question 30 ప్రశ్న 30Answer: A. It can detect and correct certain memory errors when supported by the memory and platform. సమాధానం: A.
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Question 31 ప్రశ్న 31Answer: A. Clean the scanner glass and inspect the scanning path for contamination. సమాధానం: A.
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Question 32 ప్రశ్న 32Answer: C. Slide Sorter సమాధానం: C.
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Question 33 ప్రశ్న 33Answer: B. Spooling సమాధానం: B.
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Question 34 ప్రశ్న 34Answer: A. Modify the style definition సమాధానం: A.
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Question 35 ప్రశ్న 35Answer: A. Compare Documents సమాధానం: A.
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Question 36 ప్రశ్న 36Answer: B. 262144 bytes సమాధానం: B.
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Question 37 ప్రశ్న 37Answer: A. Track Changes సమాధానం: A.
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Question 38 ప్రశ్న 38Answer: A. Prevent one process from freely reading/writing another process's protected memory సమాధానం: A.
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Question 39 ప్రశ్న 39Answer: A. Mail Merge సమాధానం: A.
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Question 40 ప్రశ్న 40Answer: D. SRAM is faster and does not need periodic refresh; DRAM is denser and requires refresh. సమాధానం: D.
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Question 41 ప్రశ్న 41Answer: A. OCR సమాధానం: A.
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Question 42 ప్రశ్న 42Answer: D. Data Validation using a List సమాధానం: D.
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Question 43 ప్రశ్న 43Answer: C. -15.21 సమాధానం: C.
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Question 44 ప్రశ్న 44Answer: C. Spatial locality సమాధానం: C.
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Question 45 ప్రశ్న 45Answer: C. Phantom read సమాధానం: C.
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Question 46 ప్రశ్న 46Answer: B. MAN సమాధానం: B.
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Question 47 ప్రశ్న 47Answer: C. Reference a key in another table to represent a relationship సమాధానం: C.
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Question 48 ప్రశ్న 48Answer: D. Fetch → Decode → Execute సమాధానం: D.
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Question 49 ప్రశ్న 49Answer: A. TYPE NOTES.TXT సమాధానం: A.
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Question 50 ప్రశ్న 50Answer: B. WAN సమాధానం: B.
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Question 51 ప్రశ్న 51Answer: C. VPN సమాధానం: C.
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Question 52 ప్రశ్న 52Answer: D. LAN సమాధానం: D.
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Question 53 ప్రశ్న 53Answer: B. Find and Replace సమాధానం: B.
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Question 54 ప్రశ్న 54Answer: C. Restrict Editing సమాధానం: C.
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Question 55 ప్రశ్న 55Answer: D. 62 సమాధానం: D.
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Question 56 ప్రశ్న 56Answer: A. Authorization సమాధానం: A.
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Question 57 ప్రశ్న 57Answer: A. To conduct and dissipate processor heat into the surrounding air సమాధానం: A.
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Question 58 ప్రశ్న 58Answer: A. 4.4 ns సమాధానం: A.
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Question 59 ప్రశ్న 59Answer: C. 28 సమాధానం: C.
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Question 60 ప్రశ్న 60Answer: A. RTC/CMOS coin-cell battery సమాధానం: A.
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Question 61 ప్రశ్న 61Answer: D. COUNTBLANK సమాధానం: D.
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Question 62 ప్రశ్న 62Answer: A. Thrashing సమాధానం: A.
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Question 63 ప్రశ్న 63Answer: D. Multi-factor authentication using knowledge and biometric factors సమాధానం: D.
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Question 64 ప్రశ్న 64Answer: A. Format Painter సమాధానం: A.
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Question 65 ప్రశ్న 65Answer: C. Event Viewer సమాధానం: C.
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Question 66 ప్రశ్న 66Answer: B. Third Normal Form (3NF) సమాధానం: B.
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Question 67 ప్రశ్న 67Answer: D. Consistency సమాధానం: D.
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Question 68 ప్రశ్న 68Answer: C. Case power button or front-panel switch wiring సమాధానం: C.
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Question 69 ప్రశ్న 69Answer: A. View సమాధానం: A.
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Question 70 ప్రశ్న 70Answer: B. Make-table query సమాధానం: B.
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Question 71 ప్రశ్న 71Answer: D. Table of Contents సమాధానం: D.
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Question 72 ప్రశ్న 72Answer: B. Find Unmatched Query Wizard సమాధానం: B.
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Question 73 ప్రశ్న 73Answer: D. Firmware initialization and POST సమాధానం: D.
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Question 74 ప్రశ్న 74Answer: B. Completion of the I/O/event it was waiting for సమాధానం: B.
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Question 75 ప్రశ్న 75Answer: B. Crosstab query సమాధానం: B.
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Question 76 ప్రశ్న 76Answer: D. Fuser assembly సమాధానం: D.
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Question 77 ప్రశ్న 77Answer: B. System Configuration సమాధానం: B.
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Question 78 ప్రశ్న 78Answer: C. Device driver సమాధానం: C.
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Question 79 ప్రశ్న 79Answer: B. SATA data connector సమాధానం: B.
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Question 80 ప్రశ్న 80Answer: B. RJ45 సమాధానం: B.
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Question 81 ప్రశ్న 81Answer: D. Accumulator సమాధానం: D.
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Question 82 ప్రశ్న 82Answer: C. Validation Rule సమాధానం: C.
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Question 83 ప్రశ్న 83Answer: D. DISM /Online /Cleanup-Image /RestoreHealth సమాధానం: D.
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Question 84 ప్రశ్న 84Answer: A. Services సమాధానం: A.
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Question 85 ప్రశ్న 85Answer: B. False negative సమాధానం: B.
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Question 86 ప్రశ్న 86Answer: C. Page fault సమాధానం: C.
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Question 87 ప్రశ్న 87Answer: D. DRAM సమాధానం: D.
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Question 88 ప్రశ్న 88Answer: C. Conditional Formatting సమాధానం: C.
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Question 89 ప్రశ్న 89Answer: A. ipconfig /all సమాధానం: A.
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Question 90 ప్రశ్న 90Answer: B. Footnote సమాధానం: B.
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Question 91 ప్రశ్న 91Answer: D. CHECK constraint సమాధానం: D.
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Question 92 ప్రశ్న 92Answer: A. EEPROM సమాధానం: A.
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Question 93 ప్రశ్న 93Answer: B. Monitor సమాధానం: B.
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Question 94 ప్రశ్న 94Answer: A. 42.37 సమాధానం: A.
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Question 95 ప్రశ్న 95Answer: A. =$B6+F$1 సమాధానం: A.
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Question 96 ప్రశ్న 96Answer: A. Insufficient or unstable PSU output under load సమాధానం: A.
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Question 97 ప్రశ్న 97Answer: C. Update the Table of Contents సమాధానం: C.
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Question 98 ప్రశ్న 98Answer: C. CPU socket సమాధానం: C.
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Question 99 ప్రశ్న 99Answer: B. The suspect USB port/controller path should be tested with another known-good device. సమాధానం: B.
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Question 100 ప్రశ్న 100Answer: B. Notify the CPU that an event requires attention and invoke an interrupt handler సమాధానం: B.
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Question 101 ప్రశ్న 101Answer: D. Thrashing సమాధానం: D.
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Question 102 ప్రశ్న 102Answer: D. ALU సమాధానం: D.
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Question 103 ప్రశ్న 103Answer: A. Deadlock సమాధానం: A.
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Question 104 ప్రశ్న 104Answer: C. YES సమాధానం: C.
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Question 105 ప్రశ్న 105Answer: C. Volatile memory loses stored contents when power is removed; nonvolatile memory retains them. సమాధానం: C.
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Question 106 ప్రశ్న 106Answer: D. Control Unit సమాధానం: D.
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Question 107 ప్రశ్న 107Answer: D. Encryption సమాధానం: D.
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Question 108 ప్రశ్న 108Answer: D. Input Mask సమాధానం: D.
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Question 109 ప్రశ్న 109Answer: B. Boot order/boot entry and whether the target drive contains a valid bootable OS సమాధానం: B.
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Question 110 ప్రశ్న 110Answer: C. 108 సమాధానం: C.
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Question 111 ప్రశ్న 111Answer: C. Different First Page సమాధానం: C.
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Question 112 ప్రశ్న 112Answer: D. Microphone సమాధానం: D.
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Question 113 ప్రశ్న 113Answer: C. Check cable/USB port, test another port, then inspect Device Manager and privacy settings. సమాధానం: C.
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Question 114 ప్రశ్న 114Answer: A. tracert సమాధానం: A.
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Question 115 ప్రశ్న 115Answer: A. COMMIT సమాధానం: A.
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Question 116 ప్రశ్న 116Answer: A. Packet filter సమాధానం: A.
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Question 117 ప్రశ్న 117Answer: D. Fill microscopic gaps and improve thermal conduction సమాధానం: D.
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Question 118 ప్రశ్న 118Answer: B. 7 సమాధానం: B.
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Question 119 ప్రశ్న 119Answer: A. Place the page in its own section using section breaks and change that section's orientation. సమాధానం: A.
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Question 120 ప్రశ్న 120Answer: A. Table సమాధానం: A.
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Question 121 ప్రశ్న 121Answer: C. Process సమాధానం: C.
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Question 122 ప్రశ్న 122Answer: D. Router సమాధానం: D.
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Question 123 ప్రశ్న 123Answer: B. 24576 MiB సమాధానం: B.
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Question 124 ప్రశ్న 124Answer: B. Stateful firewall సమాధానం: B.
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Question 125 ప్రశ్న 125Answer: D. DIMM slot సమాధానం: D.
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Question 126 ప్రశ్న 126Answer: B. Cryptographic hash function సమాధానం: B.
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Question 127 ప్రశ్న 127Answer: D. Main form with linked subform సమాధానం: D.
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Question 128 ప్రశ్న 128Answer: C. Index సమాధానం: C.
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Question 129 ప్రశ్న 129Answer: C. PivotTable సమాధానం: C.
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Question 130 ప్రశ్న 130Answer: C. SMPS/PSU సమాధానం: C.
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Question 131 ప్రశ్న 131Answer: C. COUNTA సమాధానం: C.
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Question 132 ప్రశ్న 132Answer: B. Device Manager సమాధానం: B.
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Question 133 ప్రశ్న 133Answer: C. DHCP lease acquisition failed and the system self-assigned a link-local/APIPA address. సమాధానం: C.
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Question 134 ప్రశ్న 134Answer: B. Delete query సమాధానం: B.
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Question 135 ప్రశ్న 135Answer: B. 18 సమాధానం: B.
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Question 136 ప్రశ్న 136Answer: A. Temporal locality సమాధానం: A.
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Question 137 ప్రశ్న 137Answer: B. Program Counter సమాధానం: B.
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Question 138 ప్రశ్న 138Answer: C. Deadlock సమాధానం: C.
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Question 139 ప్రశ్న 139Answer: D. 128 సమాధానం: D.
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Question 140 ప్రశ్న 140Answer: D. Speaker సమాధానం: D.
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Question 141 ప్రశ్న 141Answer: A. Goal Seek సమాధానం: A.
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Question 142 ప్రశ్న 142Answer: C. 2 సమాధానం: C.
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Question 143 ప్రశ్న 143Answer: D. Different Odd & Even Pages సమాధానం: D.
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Question 144 ప్రశ్న 144Answer: C. A global system of interconnected networks using standard networking protocols సమాధానం: C.
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Question 145 ప్రశ్న 145Answer: D. Disk Management సమాధానం: D.
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Question 146 ప్రశ్న 146Answer: C. Report సమాధానం: C.
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Question 147 ప్రశ్న 147Answer: D. DHCP సమాధానం: D.
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Question 148 ప్రశ్న 148Answer: B. CPU registers సమాధానం: B.
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Question 149 ప్రశ్న 149Answer: A. PCI Express సమాధానం: A.
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Question 150 ప్రశ్న 150Answer: B. EPROM సమాధానం: B.
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Question 151 ప్రశ్న 151Answer: B. Navigation Pane సమాధానం: B.
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Question 152 ప్రశ్న 152Answer: D. A private organizational network/information environment intended mainly for authorized users సమాధానం: D.
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Question 153 ప్రశ్న 153Answer: A. Default deny సమాధానం: A.
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Question 154 ప్రశ్న 154Answer: C. Install compatible modules in the paired slots specified by the motherboard manual. సమాధానం: C.
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Question 155 ప్రశ్న 155Answer: D. DNS సమాధానం: D.
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Question 156 ప్రశ్న 156Answer: C. Instruction Register సమాధానం: C.
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Question 157 ప్రశ్న 157Answer: B. Demand paging సమాధానం: B.
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Question 158 ప్రశ్న 158Answer: A. Transition సమాధానం: A.
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Question 159 ప్రశ్న 159Answer: C. Parameter query సమాధానం: C.
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Question 160 ప్రశ్న 160Answer: D. Number with Field Size Long Integer సమాధానం: D.
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Question 161 ప్రశ్న 161Answer: A. SRAM సమాధానం: A.
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Question 162 ప్రశ్న 162Answer: B. Saving one task's execution state and restoring another's so the CPU can switch tasks సమాధానం: B.
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Question 163 ప్రశ్న 163Answer: C. Distribute Horizontally సమాధానం: C.
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Question 164 ప్రశ్న 164Answer: A. Verify the monitor is connected to the active GPU output and confirm GPU power connections. సమాధానం: A.
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Question 165 ప్రశ్న 165Answer: C. Non-repeatable read సమాధానం: C.
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Question 166 ప్రశ్న 166Answer: D. Preemption సమాధానం: D.
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Question 167 ప్రశ్న 167Answer: B. Switch సమాధానం: B.
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Question 168 ప్రశ్న 168Answer: D. 24-pin motherboard power and CPU auxiliary power connector సమాధానం: D.
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Question 169 ప్రశ్న 169Answer: A. The M.2 form factor matches, but the slot does not support the SSD's storage protocol. సమాధానం: A.
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Question 170 ప్రశ్న 170Answer: D. OMR reader సమాధానం: D.
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Question 171 ప్రశ్న 171Answer: D. Large-format plotter/printer సమాధానం: D.
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Question 172 ప్రశ్న 172Answer: C. Action or Hyperlink సమాధానం: C.
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Question 173 ప్రశ్న 173Answer: D. False positive సమాధానం: D.
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Question 174 ప్రశ్న 174Answer: B. Virtual memory సమాధానం: B.
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Question 175 ప్రశ్న 175Answer: B. 92% సమాధానం: B.
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Question 176 ప్రశ్న 176Answer: D. Both are knowledge factors. సమాధానం: D.
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Question 177 ప్రశ్న 177Answer: B. Scheduler సమాధానం: B.
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Question 178 ప్రశ్న 178Answer: C. Registers → Cache → RAM → Secondary storage సమాధానం: C.
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Question 179 ప్రశ్న 179Answer: B. File-system management సమాధానం: B.
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Question 180 ప్రశ్న 180Answer: C. An intranet resource సమాధానం: C.
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Question 181 ప్రశ్న 181Answer: D. MIN సమాధానం: D.
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Question 182 ప్రశ్న 182Answer: B. Event Viewer సమాధానం: B.
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Question 183 ప్రశ్న 183Answer: C. Second Normal Form (2NF) సమాధానం: C.
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Question 184 ప్రశ్న 184Answer: B. DIR సమాధానం: B.
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Question 185 ప్రశ్న 185Answer: A. ROLLBACK సమాధానం: A.
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Question 186 ప్రశ్న 186Answer: D. Inkjet printer సమాధానం: D.
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Question 187 ప్రశ్న 187Answer: A. sfc /scannow సమాధానం: A.
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Question 188 ప్రశ్న 188Answer: D. The requested block is absent from the checked cache and must be obtained from a lower memory level. సమాధానం: D.
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Question 189 ప్రశ్న 189Answer: C. =E$2+$D7 సమాధానం: C.
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Question 190 ప్రశ్న 190Answer: A. ATTRIB +H CASE.DAT సమాధానం: A.
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Question 191 ప్రశ్న 191Answer: C. Isolation సమాధానం: C.
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Question 192 ప్రశ్న 192Answer: B. Update query సమాధానం: B.
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Question 193 ప్రశ్న 193Answer: B. Dot-matrix printer సమాధానం: B.
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Question 194 ప్రశ్న 194Answer: C. UPS సమాధానం: C.
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Question 195 ప్రశ్న 195Answer: B. Atomicity సమాధానం: B.
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Question 196 ప్రశ్న 196Answer: B. Append query సమాధానం: B.
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Question 197 ప్రశ్న 197Answer: D. Animation సమాధానం: D.
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Question 198 ప్రశ్న 198Answer: D. HTTPS సమాధానం: D.
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Question 199 ప్రశ్న 199Answer: D. Lost update సమాధానం: D.
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Question 200 ప్రశ్న 200Answer: B. Referential integrity సమాధానం: B.