Please keep at least one language enabled. || కనీసం ఒక భాషను ఎంచుకోండి.
Question 1
ప్రశ్న 1
Which protocol is used for secure web browsing over TLS?
Explanation:
• HTTPS is HTTP over TLS.
• It protects web communication.
• Telnet is not secure web browsing.
• It protects web communication.
• Telnet is not secure web browsing.
వివరణ:
Question 2
ప్రశ్న 2
Which printer technology normally uses toner powder and a fuser?
Explanation:
• Laser printers use toner and electro-photographic imaging.
• The fuser bonds toner to paper.
• Inkjet printers use liquid ink.
• The fuser bonds toner to paper.
• Inkjet printers use liquid ink.
వివరణ:
Question 3
ప్రశ్న 3
Which command displays active network connections and listening ports?
Explanation:
• netstat reports connection and listening information.
• It is useful for network troubleshooting.
• The other commands do not inspect sockets.
• It is useful for network troubleshooting.
• The other commands do not inspect sockets.
వివరణ:
Question 4
ప్రశ్న 4
Which query type creates a new table from query results?
Explanation:
• Make-table queries create a new table from selected data.
• Update queries modify existing records.
• Delete queries remove records.
• Update queries modify existing records.
• Delete queries remove records.
వివరణ:
Question 5
ప్రశ్న 5
A process waiting for keyboard input is normally in which state?
Explanation:
• The process cannot continue until input arrives.
• It waits without consuming the CPU continuously.
• After input arrives it can become ready.
• It waits without consuming the CPU continuously.
• After input arrives it can become ready.
వివరణ:
Question 6
ప్రశ్న 6
What does =ROUNDUP(-8.121,2) return?
Explanation:
• ROUNDUP rounds away from zero.
• At two decimals, -8.121 becomes -8.13.
• It does not round toward zero.
• At two decimals, -8.121 becomes -8.13.
• It does not round toward zero.
వివరణ:
Question 7
ప్రశ్న 7
Which OS concept refers to a program currently executing?
Explanation:
• A process is an executing program instance.
• It has state and resources.
• A program file by itself is not an active process.
• It has state and resources.
• A program file by itself is not an active process.
వివరణ:
Question 8
ప్రశ్న 8
Which mechanism primarily protects confidentiality of data?
Explanation:
• Encryption transforms plaintext into ciphertext.
• Authorized parties use appropriate keys to decrypt.
• It is a confidentiality mechanism.
• Authorized parties use appropriate keys to decrypt.
• It is a confidentiality mechanism.
వివరణ:
Question 9
ప్రశ్న 9
A PC powers on when the motherboard power pins are briefly shorted but not from the case button. What should be checked?
Explanation:
• The motherboard responds correctly to the power-on pins.
• The fault is likely in the case switch or its wiring.
• Storage and software do not control the physical switch circuit.
• The fault is likely in the case switch or its wiring.
• Storage and software do not control the physical switch circuit.
వివరణ:
Question 10
ప్రశ్న 10
Which Word feature should be used to apply the same heading formatting consistently throughout a long report?
Explanation:
• Styles store reusable formatting definitions.
• They support consistency and navigation/TOC features.
• Manual formatting is less efficient.
• They support consistency and navigation/TOC features.
• Manual formatting is less efficient.
వివరణ:
Question 11
ప్రశ్న 11
Which memory component is physically inside the CPU and used directly during instruction execution?
Explanation:
• Registers are part of the processor.
• They hold operands, addresses and intermediate state.
• The alternatives are external storage media.
• They hold operands, addresses and intermediate state.
• The alternatives are external storage media.
వివరణ:
Question 12
ప్రశ్న 12
Which statement about EPROM is correct?
Explanation:
• EPROM is erasable programmable ROM.
• UV light is used for erasure in traditional devices.
• It is nonvolatile.
• UV light is used for erasure in traditional devices.
• It is nonvolatile.
వివరణ:
Question 13
ప్రశ్న 13
Which function counts non-empty cells?
Explanation:
• COUNTA counts cells that are not empty.
• COUNTBLANK counts empty cells.
• COUNT counts numeric entries.
• COUNTBLANK counts empty cells.
• COUNT counts numeric entries.
వివరణ:
Question 14
ప్రశ్న 14
Which control determines what an authenticated user is allowed to do?
Explanation:
• Authorization evaluates permitted actions/resources.
• It follows or complements authentication.
• Hashing and RAID serve other purposes.
• It follows or complements authentication.
• Hashing and RAID serve other purposes.
వివరణ:
Question 15
ప్రశ్న 15
Which network scope best fits one office building?
Explanation:
• LAN covers a limited local area.
• A building is a typical example.
• MAN and WAN cover broader regions.
• A building is a typical example.
• MAN and WAN cover broader regions.
వివరణ:
Question 16
ప్రశ్న 16
Which Word feature can restrict users from making unrestricted edits?
Explanation:
• Restrict Editing limits allowed changes.
• It can enforce controlled editing.
• The other features do not manage editing permissions.
• It can enforce controlled editing.
• The other features do not manage editing permissions.
వివరణ:
Question 17
ప్రశ్న 17
Which OS responsibility includes creating, deleting and organizing files/directories?
Explanation:
• The OS manages files and directories.
• It maintains metadata and access controls.
• Hardware manufacturing and printing are unrelated.
• It maintains metadata and access controls.
• Hardware manufacturing and printing are unrelated.
వివరణ:
Question 18
ప్రశ్న 18
An internal employee portal is reachable only after VPN login and uses HTTPS. How should it be classified?
Explanation:
• The resource remains private to authorized organizational users.
• VPN provides protected remote access.
• Using HTTPS does not make the service public.
• VPN provides protected remote access.
• Using HTTPS does not make the service public.
వివరణ:
Question 19
ప్రశ్న 19
Which interface is most commonly used by a modern discrete graphics card?
Explanation:
• Discrete GPUs commonly use PCIe x16.
• SATA is for storage and DIMM slots are for RAM.
• RJ11 is associated with telephone connections.
• SATA is for storage and DIMM slots are for RAM.
• RJ11 is associated with telephone connections.
వివరణ:
Question 20
ప్రశ్న 20
Cell H2 contains =D$1+$E2 and is copied to J5. What formula appears in J5?
Explanation:
• The copy moves two columns right and three rows down.
• D$1 becomes F$1 because row 1 is fixed.
• $E2 becomes $E5 because column E is fixed.
• D$1 becomes F$1 because row 1 is fixed.
• $E2 becomes $E5 because column E is fixed.
వివరణ:
Question 21
ప్రశ్న 21
Which Access object is designed for formatted printable output?
Explanation:
• Reports present formatted data.
• They support grouping and totals.
• Tables store the underlying records.
• They support grouping and totals.
• Tables store the underlying records.
వివరణ:
Question 22
ప్రశ్న 22
Which technology creates a protected virtual path over an untrusted network?
Explanation:
• A VPN protects communications over existing networks.
• It is used for remote access or site-to-site connectivity.
• RAID and OCR are unrelated.
• It is used for remote access or site-to-site connectivity.
• RAID and OCR are unrelated.
వివరణ:
Question 23
ప్రశ్న 23
Which property provides a structured entry pattern for data such as phone numbers?
Explanation:
• Input Mask guides the pattern of entered characters.
• It is useful for consistently formatted values.
• Validation rules instead test conditions.
• It is useful for consistently formatted values.
• Validation rules instead test conditions.
వివరణ:
Question 24
ప్రశ్న 24
B2:B6 contain East,East,West,East,West and C2:C6 contain 20,40,60,80,100. What does =SUMIF(B2:B6,"East",C2:C6) return?
Explanation:
• East corresponds to 20,40,80.
• 20+40+80 = 140.
• SUMIF adds values matching one criterion.
• 20+40+80 = 140.
• SUMIF adds values matching one criterion.
వివరణ:
Question 25
ప్రశ్న 25
Which view is most convenient for reordering many slides?
Explanation:
• Slide Sorter shows many thumbnails.
• Slides can be rearranged quickly.
• Presenter View is for delivery.
• Slides can be rearranged quickly.
• Presenter View is for delivery.
వివరణ:
Question 26
ప్రశ్న 26
A new PC powers on but gives no display and repeatedly restarts before reaching firmware setup. The issue began after installing an unsupported CPU. What is the most appropriate conclusion?
Explanation:
• The failure occurs before the OS starts.
• CPU compatibility is therefore a primary concern.
• Application software cannot cause this pre-boot behavior.
• CPU compatibility is therefore a primary concern.
• Application software cannot cause this pre-boot behavior.
వివరణ:
Question 27
ప్రశ్న 27
Which term describes loading a page into memory only when it is first referenced?
Explanation:
• Demand paging loads pages as needed.
• It reduces initial memory loading requirements.
• It is a virtual-memory technique.
• It reduces initial memory loading requirements.
• It is a virtual-memory technique.
వివరణ:
Question 28
ప్రశ్న 28
Which function counts blank cells?
Explanation:
• COUNTBLANK counts empty cells.
• COUNTA counts non-empty cells.
• MAX returns the largest value.
• COUNTA counts non-empty cells.
• MAX returns the largest value.
వివరణ:
Question 29
ప్రశ్న 29
A PC loses date/time after long power-off periods but otherwise runs normally. Which small motherboard component is a likely cause?
Explanation:
• The coin-cell maintains the real-time clock when external power is absent.
• A weak cell can cause date/time loss.
• GPU and network components are unrelated.
• A weak cell can cause date/time loss.
• GPU and network components are unrelated.
వివరణ:
Question 30
ప్రశ్న 30
Which utility is opened by msconfig?
Explanation:
• msconfig opens System Configuration.
• It provides boot and service troubleshooting options.
• The other utilities use different launch commands.
• It provides boot and service troubleshooting options.
• The other utilities use different launch commands.
వివరణ:
Question 31
ప్రశ్న 31
Which mechanism primarily provides a one-way digest for integrity checking?
Explanation:
• Hash functions produce one-way digests.
• They are useful for detecting changes.
• They are not designed for decryption.
• They are useful for detecting changes.
• They are not designed for decryption.
వివరణ:
Question 32
ప్రశ్న 32
Which ACID property concerns concurrent transactions behaving according to isolation guarantees?
Explanation:
• Isolation governs interactions between concurrent transactions.
• It reduces anomalies depending on the isolation level.
• Atomicity and durability address other guarantees.
• It reduces anomalies depending on the isolation level.
• Atomicity and durability address other guarantees.
వివరణ:
Question 33
ప్రశ్న 33
Which feature searches for repeated text and substitutes new text throughout the document?
Explanation:
• Find and Replace locates and replaces repeated content.
• It can also work with formatting criteria.
• Mail Merge does not perform general replacement.
• It can also work with formatting criteria.
• Mail Merge does not perform general replacement.
వివరణ:
Question 34
ప్రశ్న 34
Which command tests reachability by sending ICMP Echo Request messages?
Explanation:
• PING sends ICMP Echo Requests and reports replies.
• It is a basic connectivity test.
• TREE and REN are file-system commands.
• It is a basic connectivity test.
• TREE and REN are file-system commands.
వివరణ:
Question 35
ప్రశ్న 35
Which device is best suited for large technical drawings and CAD output on wide paper?
Explanation:
• Large-format output devices handle oversized technical graphics.
• Input devices do not produce such hard copy.
• This is a standard peripheral application.
• Input devices do not produce such hard copy.
• This is a standard peripheral application.
వివరణ:
Question 36
ప్రశ్న 36
Which object provides a virtual table based on a saved query definition?
Explanation:
• A view presents query-derived data.
• It does not normally store an independent duplicate of all base rows.
• It is a logical database object.
• It does not normally store an independent duplicate of all base rows.
• It is a logical database object.
వివరణ:
Question 37
ప్రశ్న 37
Which command clears cached DNS resolver entries?
Explanation:
• /flushdns clears the local DNS resolver cache.
• It is useful for stale name-resolution entries.
• CHKDSK and VER serve different purposes.
• It is useful for stale name-resolution entries.
• CHKDSK and VER serve different purposes.
వివరణ:
Question 38
ప్రశ్న 38
Which feature controls common fonts, logos and placeholders across many slides?
Explanation:
• Slide Master provides centralized design control.
• Changes can propagate through associated layouts.
• It is intended for consistent presentation design.
• Changes can propagate through associated layouts.
• It is intended for consistent presentation design.
వివరణ:
Question 39
ప్రశ్న 39
A CPU cooler fan is connected to a chassis-fan header instead of the CPU_FAN header, and firmware reports a CPU fan error. What is the best correction?
Explanation:
• Firmware often monitors the dedicated CPU fan header.
• Using the correct header allows proper monitoring/control.
• Network and application settings are unrelated.
• Using the correct header allows proper monitoring/control.
• Network and application settings are unrelated.
వివరణ:
Question 40
ప్రశ్న 40
Which SQL operation changes existing values in qualifying rows?
Explanation:
• UPDATE modifies existing records.
• A WHERE clause can restrict affected rows.
• INSERT creates new rows.
• A WHERE clause can restrict affected rows.
• INSERT creates new rows.
వివరణ:
Question 41
ప్రశ్న 41
Which aggregate function returns the number of rows or non-null expressions, depending on usage?
Explanation:
• COUNT is used for row/value counts.
• COUNT(*) counts rows.
• Other aggregates calculate sums, averages or extremes.
• COUNT(*) counts rows.
• Other aggregates calculate sums, averages or extremes.
వివరణ:
Question 42
ప్రశ్న 42
An organization's payroll portal uses web technologies but is restricted to authorized staff rather than the public. Which network environment best describes it?
Explanation:
• An intranet is organization-focused and restricted.
• It may use web technologies such as HTTPS.
• It is not the global Internet.
• It may use web technologies such as HTTPS.
• It is not the global Internet.
వివరణ:
Question 43
ప్రశ్న 43
Which bus/interface provides high-speed serial expansion lanes in modern PCs?
Explanation:
• PCI Express is a high-speed serial expansion interconnect.
• It supports graphics, storage adapters and other cards.
• The alternatives are legacy peripheral/display interfaces.
• It supports graphics, storage adapters and other cards.
• The alternatives are legacy peripheral/display interfaces.
వివరణ:
Question 44
ప్రశ్న 44
A cache has 960 hits out of 1000 accesses. What is the cache hit rate?
Explanation:
• Hit rate = hits ÷ total accesses.
• 960 ÷ 1000 = 0.96.
• Thus the hit rate is 96%.
• 960 ÷ 1000 = 0.96.
• Thus the hit rate is 96%.
వివరణ:
Question 45
ప్రశ్న 45
At C:CASES2026AUG, which command moves the command prompt up one level to C:CASES2026?
Explanation:
• CD .. moves one directory level upward.
• CD jumps to the root of the current drive.
• DIR lists contents.
• CD jumps to the root of the current drive.
• DIR lists contents.
వివరణ:
Question 46
ప్రశ్న 46
Which Windows utility is opened by diskmgmt.msc?
Explanation:
• diskmgmt.msc launches Disk Management.
• It manages disks, partitions and volumes.
• Services uses services.msc.
• It manages disks, partitions and volumes.
• Services uses services.msc.
వివరణ:
Question 47
ప్రశ్న 47
Which property should identify every row uniquely?
Explanation:
• A primary key uniquely identifies rows.
• It cannot contain Null.
• Foreign keys represent relationships.
• It cannot contain Null.
• Foreign keys represent relationships.
వివరణ:
Question 48
ప్రశ్న 48
Which network scope best fits multiple offices across one city?
Explanation:
• MAN spans a metropolitan area.
• It can interconnect multiple LANs across a city.
• WAN is broader.
• It can interconnect multiple LANs across a city.
• WAN is broader.
వివరణ:
Question 49
ప్రశ్న 49
Which transaction command cancels applicable uncommitted changes?
Explanation:
• ROLLBACK reverses applicable uncommitted changes.
• It is used when a transaction should not be finalized.
• COMMIT does the opposite.
• It is used when a transaction should not be finalized.
• COMMIT does the opposite.
వివరణ:
Question 50
ప్రశ్న 50
A monitor displays the wrong input source despite a working PC. What should be checked first?
Explanation:
• No image can result from selecting the wrong input.
• Cable and graphics-output path are primary checks.
• Application software is unrelated.
• Cable and graphics-output path are primary checks.
• Application software is unrelated.
వివరణ:
Question 51
ప్రశ్న 51
Which field type is normally used as a foreign key referencing an Access AutoNumber primary key?
Explanation:
• AutoNumber values commonly use Long Integer-sized numeric keys.
• The referencing field should use a compatible Number/Long Integer type.
• Text and Attachment do not match the key type.
• The referencing field should use a compatible Number/Long Integer type.
• Text and Attachment do not match the key type.
వివరణ:
Question 52
ప్రశ్న 52
Which command sets the Read-only attribute on REPORT.TXT?
Explanation:
• +R sets the Read-only attribute.
• -R clears it.
• +H sets Hidden instead.
• -R clears it.
• +H sets Hidden instead.
వివరణ:
Question 53
ప్రశ్న 53
What can happen after an I/O request completes for a blocked process?
Explanation:
• Completion satisfies the wait condition.
• The process becomes eligible for CPU scheduling.
• It does not necessarily run immediately.
• The process becomes eligible for CPU scheduling.
• It does not necessarily run immediately.
వివరణ:
Question 54
ప్రశ్న 54
Which component temporarily holds the instruction currently being decoded or executed by the CPU?
Explanation:
• The Instruction Register stores the current instruction.
• The Program Counter normally points to the next instruction address.
• UPS is a power device.
• The Program Counter normally points to the next instruction address.
• UPS is a power device.
వివరణ:
Question 55
ప్రశ్న 55
Which command displays detailed adapter configuration including MAC address and DNS servers?
Explanation:
• ipconfig /all shows detailed TCP/IP adapter information.
• It commonly includes physical address and DNS configuration.
• File commands do not provide this network data.
• It commonly includes physical address and DNS configuration.
• File commands do not provide this network data.
వివరణ:
Question 56
ప్రశ్న 56
Which command shows the route of intermediate hops toward a destination?
Explanation:
• tracert reveals successive IP hops.
• It is useful for path troubleshooting.
• TREE and COPY are file commands.
• It is useful for path troubleshooting.
• TREE and COPY are file commands.
వివరణ:
Question 57
ప్రశ్న 57
A process references a virtual-memory page that is not currently resident in the required physical-memory mapping. What event must the operating system handle?
Explanation:
• Page faults are part of virtual-memory operation.
• The OS may load a page from storage or adjust mappings.
• They are not automatically hardware failures.
• The OS may load a page from storage or adjust mappings.
• They are not automatically hardware failures.
వివరణ:
Question 58
ప్రశ్న 58
Which device is primarily an audio input device?
Explanation:
• A microphone captures sound input.
• Speakers and monitors provide output.
• Printers provide hard-copy output.
• Speakers and monitors provide output.
• Printers provide hard-copy output.
వివరణ:
Question 59
ప్రశ్న 59
Which option supports different headers on odd and even pages?
Explanation:
• This option separates odd-page and even-page headers/footers.
• It is useful in book-style layouts.
• Different First Page affects only the first page.
• It is useful in book-style layouts.
• Different First Page affects only the first page.
వివరణ:
Question 60
ప్రశ్న 60
Which feature lets the presenter see notes while the audience sees only the slide?
Explanation:
• Presenter View shows private notes and controls.
• The audience display remains the slide show.
• It assists live presentation delivery.
• The audience display remains the slide show.
• It assists live presentation delivery.
వివరణ:
Question 61
ప్రశ్న 61
Which CPU unit performs integer addition, subtraction and logical comparisons?
Explanation:
• The ALU performs arithmetic and logical operations.
• The Control Unit coordinates execution.
• Firmware and modem hardware serve different roles.
• The Control Unit coordinates execution.
• Firmware and modem hardware serve different roles.
వివరణ:
Question 62
ప్రశ్న 62
B2:B5 contain 1,2,3,4 and C2:C5 contain 5,6,7,8. What does =SUMPRODUCT(B2:B5,C2:C5) return?
Explanation:
• Products are 5,12,21,32.
• 5+12+21+32 = 70.
• SUMPRODUCT adds corresponding products.
• 5+12+21+32 = 70.
• SUMPRODUCT adds corresponding products.
వివరణ:
Question 63
ప్రశ్న 63
A processor executes a branch instruction that is taken. Which register is directly affected so the next fetch comes from the branch target?
Explanation:
• The Program Counter determines the next instruction address.
• A taken branch loads it with the target address.
• The Instruction Register holds the current instruction.
• A taken branch loads it with the target address.
• The Instruction Register holds the current instruction.
వివరణ:
Question 64
ప్రశ్న 64
Which feature is needed to make only one middle page landscape?
Explanation:
• Section breaks allow different page-layout settings.
• The target page can be placed in a separate section.
• A page break alone does not create independent section formatting.
• The target page can be placed in a separate section.
• A page break alone does not create independent section formatting.
వివరణ:
Question 65
ప్రశ్న 65
Which register usually stores intermediate arithmetic results in many simple CPU descriptions?
Explanation:
• The accumulator is commonly used for arithmetic/logical intermediate results in simple architectures.
• The Program Counter tracks instruction addresses.
• Boot sectors and DNS caches are unrelated.
• The Program Counter tracks instruction addresses.
• Boot sectors and DNS caches are unrelated.
వివరణ:
Question 66
ప్రశ్న 66
Which CPU component decodes instructions and coordinates the sequence of operations needed to execute them?
Explanation:
• The Control Unit interprets instructions and generates control signals.
• The ALU performs arithmetic and logic.
• SMPS and NIC perform power and network functions.
• The ALU performs arithmetic and logic.
• SMPS and NIC perform power and network functions.
వివరణ:
Question 67
ప్రశ్న 67
Which feature inserts a reference note at the bottom of the current page?
Explanation:
• Footnotes appear at the bottom of the page.
• They are linked to reference marks in text.
• Endnotes normally appear at section/document end.
• They are linked to reference marks in text.
• Endnotes normally appear at section/document end.
వివరణ:
Question 68
ప్రశ్న 68
Which feature creates an alternate sequence using selected slides without deleting others?
Explanation:
• Custom Slide Show defines a subset and order.
• The original presentation remains intact.
• It supports audience-specific versions.
• The original presentation remains intact.
• It supports audience-specific versions.
వివరణ:
Question 69
ప్రశ్న 69
A1:A5 contain 5,10,15,20,25. What does =SUM(A1:A5) return?
Explanation:
• 5+10+15+20+25 = 75.
• SUM adds all numeric values in the range.
• Therefore the result is 75.
• SUM adds all numeric values in the range.
• Therefore the result is 75.
వివరణ:
Question 70
ప్రశ్న 70
An Access database has 300 new records in a temporary table that must be inserted into an existing Employees table without changing existing rows. Which query type is appropriate?
Explanation:
• Append queries insert new rows into an existing table.
• They do not replace existing rows.
• Delete queries remove data.
• They do not replace existing rows.
• Delete queries remove data.
వివరణ:
Question 71
ప్రశ్న 71
Which feature prevents orphaned foreign-key values between related tables?
Explanation:
• Referential integrity enforces valid relationships.
• It prevents references to nonexistent parent records.
• The other features belong to different applications.
• It prevents references to nonexistent parent records.
• The other features belong to different applications.
వివరణ:
Question 72
ప్రశ్న 72
Which startup component normally selects or launches an operating-system boot entry after firmware initialization?
Explanation:
• Firmware selects a boot entry and transfers control to boot software.
• The OS loader then starts the operating system.
• Application components run later.
• The OS loader then starts the operating system.
• Application components run later.
వివరణ:
Question 73
ప్రశ్న 73
Which SQL operation adds new rows to a table?
Explanation:
• INSERT creates new rows.
• SELECT reads data.
• ROLLBACK controls transactions.
• SELECT reads data.
• ROLLBACK controls transactions.
వివరణ:
Question 74
ప్రశ్న 74
Which statement correctly compares RAM and SSD storage?
Explanation:
• RAM serves active working data and normally loses contents without power.
• SSD retains stored data.
• Their roles and performance differ.
• SSD retains stored data.
• Their roles and performance differ.
వివరణ:
Question 75
ప్రశ్న 75
B2:B6 contain East,East,West,East,West and C2:C6 contain 20,40,60,80,100. What does =COUNTIFS(B2:B6,"East",C2:C6,">=40") return?
Explanation:
• East rows have 20,40,80.
• Among them, 40 and 80 satisfy >=40.
• Therefore two rows meet both criteria.
• Among them, 40 and 80 satisfy >=40.
• Therefore two rows meet both criteria.
వివరణ:
Question 76
ప్రశ్న 76
Which peripheral converts electrical audio signals into audible sound?
Explanation:
• Speakers are audio output devices.
• They convert electrical signals into sound.
• Microphones perform the reverse direction.
• They convert electrical signals into sound.
• Microphones perform the reverse direction.
వివరణ:
Question 77
ప్రశ్న 77
Which privilege level normally executes the core operating-system kernel?
Explanation:
• Kernel mode provides privileged execution.
• Core OS components require this privilege.
• Applications normally run in user mode.
• Core OS components require this privilege.
• Applications normally run in user mode.
వివరణ:
Question 78
ప్రశ్న 78
Which network scope best fits branch offices in different states or countries?
Explanation:
• WAN spans large geographic distances.
• It connects remote LANs.
• Topology and scope are distinct concepts.
• It connects remote LANs.
• Topology and scope are distinct concepts.
వివరణ:
Question 79
ప్రశ్న 79
Which network device forwards Ethernet frames using MAC-address information?
Explanation:
• A switch learns MAC addresses and forwards frames within a LAN.
• Routers forward between IP networks.
• Peripherals do not perform switching.
• Routers forward between IP networks.
• Peripherals do not perform switching.
వివరణ:
Question 80
ప్రశ్న 80
Malware is present but not detected. What is this?
Explanation:
• A false negative misses a real threat.
• The system remains exposed.
• This is the opposite of a false positive.
• The system remains exposed.
• This is the opposite of a false positive.
వివరణ:
Question 81
ప్రశ్న 81
Which SQL operation retrieves rows from a table without modifying them?
Explanation:
• SELECT queries data.
• UPDATE, DELETE and INSERT change stored data.
• This is a core DML distinction.
• UPDATE, DELETE and INSERT change stored data.
• This is a core DML distinction.
వివరణ:
Question 82
ప్రశ్న 82
Which device is primarily a visual output device?
Explanation:
• A monitor displays visual output.
• The alternatives are input devices.
• This is a basic peripheral classification.
• The alternatives are input devices.
• This is a basic peripheral classification.
వివరణ:
Question 83
ప్రశ్న 83
A desktop CPU supports a certain socket but still does not work on an older motherboard using that socket. What should be checked next?
Explanation:
• Socket fit does not guarantee full compatibility.
• Chipset and firmware support are also required.
• Peripheral settings do not affect CPU support.
• Chipset and firmware support are also required.
• Peripheral settings do not affect CPU support.
వివరణ:
Question 84
ప్రశ్న 84
Which SQL operation removes qualifying rows?
Explanation:
• DELETE removes rows.
• SELECT reads data.
• COMMIT finalizes transactions.
• SELECT reads data.
• COMMIT finalizes transactions.
వివరణ:
Question 85
ప్రశ్న 85
Which Word feature creates personalized documents from a common main document and a recipient list?
Explanation:
• Mail Merge combines a main document with data fields.
• Recipient information can come from Excel or another supported source.
• The other features belong to other applications.
• Recipient information can come from Excel or another supported source.
• The other features belong to other applications.
వివరణ:
Question 86
ప్రశ్న 86
Cell C3 contains =$A3+B$1 and is copied to F6. What formula appears in F6?
Explanation:
• The copy moves three columns right and three rows down.
• $A3 becomes $A6.
• B$1 becomes E$1.
• $A3 becomes $A6.
• B$1 becomes E$1.
వివరణ:
Question 87
ప్రశ్న 87
Which condition is likely when the active working sets of processes exceed available RAM and page faults become excessive?
Explanation:
• Thrashing occurs with excessive paging.
• The OS spends more time moving pages than doing useful work.
• Insufficient effective memory is a common cause.
• The OS spends more time moving pages than doing useful work.
• Insufficient effective memory is a common cause.
వివరణ:
Question 88
ప్రశ్న 88
Which mechanism speeds suitable searches by maintaining an auxiliary access structure?
Explanation:
• Indexes accelerate certain lookups and sorts.
• They add storage and maintenance overhead.
• They are performance structures.
• They add storage and maintenance overhead.
• They are performance structures.
వివరణ:
Question 89
ప్రశ్న 89
A system is stable in firmware setup but crashes only when a high-performance GPU begins heavy load. Which two hardware areas should be investigated early?
Explanation:
• GPU load sharply increases power demand.
• Insufficient power delivery can cause instability.
• Office and network configuration are unrelated.
• Insufficient power delivery can cause instability.
• Office and network configuration are unrelated.
వివరణ:
Question 90
ప్రశ్న 90
A USB mouse works on another computer but not on one PC. Which step is most appropriate next?
Explanation:
• The mouse is known to function.
• Testing another port helps isolate the USB path.
• Device Manager can reveal controller/driver problems.
• Testing another port helps isolate the USB path.
• Device Manager can reveal controller/driver problems.
వివరణ:
Question 91
ప్రశ్న 91
What is the primary purpose of memory protection?
Explanation:
• Memory protection enforces address-space boundaries.
• It improves stability and security.
• Hardware speed and DNS are unrelated.
• It improves stability and security.
• Hardware speed and DNS are unrelated.
వివరణ:
Question 92
ప్రశ్న 92
Which Access object retrieves records based on criteria?
Explanation:
• Queries select, filter and process data.
• They can also perform calculations or actions.
• Forms are primarily interfaces.
• They can also perform calculations or actions.
• Forms are primarily interfaces.
వివరణ:
Question 93
ప్రశ్న 93
Which feature compares two existing Word documents and identifies differences?
Explanation:
• Compare analyzes differences between document versions.
• It is useful when changes were made independently.
• Mail Merge serves personalized-document generation.
• It is useful when changes were made independently.
• Mail Merge serves personalized-document generation.
వివరణ:
Question 94
ప్రశ్న 94
A printer is online but jobs remain stuck. Which Windows service is relevant?
Explanation:
• The Print Spooler manages queued print jobs.
• A stalled spooler can block printing.
• DNS and time services do not manage print queues.
• A stalled spooler can block printing.
• DNS and time services do not manage print queues.
వివరణ:
Question 95
ప్రశ్న 95
Which feature summarizes large tables interactively by category and aggregation?
Explanation:
• PivotTables summarize and group worksheet data.
• Users can move fields among rows, columns and values.
• The distractors belong to other applications.
• Users can move fields among rows, columns and values.
• The distractors belong to other applications.
వివరణ:
Question 96
ప్రశ్న 96
Which network device forwards packets between IP networks?
Explanation:
• Routers use IP routing information.
• They connect different networks.
• Switches primarily forward local Ethernet frames.
• They connect different networks.
• Switches primarily forward local Ethernet frames.
వివరణ:
Question 97
ప్రశ్న 97
Which protocol automatically supplies IP configuration such as address, gateway and DNS settings?
Explanation:
• DHCP provides host configuration.
• It can supply addresses and network options.
• HTTP and FTP are application protocols.
• It can supply addresses and network options.
• HTTP and FTP are application protocols.
వివరణ:
Question 98
ప్రశ్న 98
Which OS mechanism provides protected virtual address spaces for processes?
Explanation:
• Virtual memory maps process addresses to physical memory.
• Protection isolates process memory.
• Email and presentation features are unrelated.
• Protection isolates process memory.
• Email and presentation features are unrelated.
వివరణ:
Question 99
ప్రశ్న 99
Which command is most suitable for checking whether another IP host responds to ICMP Echo requests?
Explanation:
• PING tests basic reachability using ICMP Echo.
• It reports replies and timing.
• The other commands manage files or disks.
• It reports replies and timing.
• The other commands manage files or disks.
వివరణ:
Question 100
ప్రశ్న 100
Which feature can capture narration and timing?
Explanation:
• Record Slide Show captures narration and timings.
• It supports recorded/self-running presentations.
• The other tools serve different tasks.
• It supports recorded/self-running presentations.
• The other tools serve different tasks.
వివరణ:
Question 101
ప్రశ్న 101
Which query type changes values in existing records?
Explanation:
• Update queries modify fields in qualifying records.
• Criteria determine which rows are affected.
• Append adds new rows instead.
• Criteria determine which rows are affected.
• Append adds new rows instead.
వివరణ:
Question 102
ప్రశ్న 102
Which Windows tool is most appropriate for disabling unnecessary startup applications?
Explanation:
• Task Manager can manage many startup applications.
• Disabling unnecessary startup items can improve startup behavior.
• Text and drawing accessories do not provide this function.
• Disabling unnecessary startup items can improve startup behavior.
• Text and drawing accessories do not provide this function.
వివరణ:
Question 103
ప్రశ్న 103
Which firewall policy is safest as a baseline when only explicitly required traffic should pass?
Explanation:
• Default deny blocks unmatched traffic.
• Only explicitly authorized flows are allowed.
• This reduces unnecessary exposure.
• Only explicitly authorized flows are allowed.
• This reduces unnecessary exposure.
వివరణ:
Question 104
ప్రశ్న 104
Which term describes switching the CPU from one process to another by saving/restoring execution state?
Explanation:
• The OS saves one task's context and restores another.
• This supports multitasking.
• Formatting and indexing are unrelated.
• This supports multitasking.
• Formatting and indexing are unrelated.
వివరణ:
Question 105
ప్రశ్న 105
Which memory type is most commonly used as main system memory because of its higher density and lower cost per bit?
Explanation:
• DRAM offers high density and lower cost.
• It is therefore common for main memory.
• SRAM is usually reserved for smaller caches.
• It is therefore common for main memory.
• SRAM is usually reserved for smaller caches.
వివరణ:
Question 106
ప్రశ్న 106
Which device provides temporary battery-backed power during an outage?
Explanation:
• A UPS supplies temporary backup power.
• It allows safe shutdown or continued short operation.
• Peripheral devices do not provide this function.
• It allows safe shutdown or continued short operation.
• Peripheral devices do not provide this function.
వివరణ:
Question 107
ప్రశ్న 107
Which ACID property means a transaction preserves defined database rules from one valid state to another?
Explanation:
• Consistency concerns integrity rules and valid states.
• Transactions should not leave the database violating constraints.
• It is distinct from isolation.
• Transactions should not leave the database violating constraints.
• It is distinct from isolation.
వివరణ:
Question 108
ప్రశ్న 108
What is the purpose of an interrupt?
Explanation:
• Interrupts support asynchronous event handling.
• Hardware and software can trigger them.
• They reduce the need for constant polling.
• Hardware and software can trigger them.
• They reduce the need for constant polling.
వివరణ:
Question 109
ప్రశ్న 109
A legitimate file is wrongly detected as malware. What is this?
Explanation:
• A false positive incorrectly labels benign content as malicious.
• This can lead to unnecessary quarantine.
• A false negative is missed malware.
• This can lead to unnecessary quarantine.
• A false negative is missed malware.
వివరణ:
Question 110
ప్రశ్న 110
The current directory contains CASE1.TXT, CASE2.TXT and PHOTO.JPG. Which command copies only the two text files to D:BACKUP?
Explanation:
• COPY duplicates matching files.
• *.TXT matches files with TXT extension.
• REN and TYPE do not copy files.
• *.TXT matches files with TXT extension.
• REN and TYPE do not copy files.
వివరణ:
Question 111
ప్రశ్న 111
Which function returns the smallest numeric value in a range?
Explanation:
• MIN returns the minimum numeric value.
• MAX returns the maximum.
• COUNT counts numeric cells.
• MAX returns the maximum.
• COUNT counts numeric cells.
వివరణ:
Question 112
ప్రశ్న 112
Which firewall mechanism is application-aware and can proxy connections?
Explanation:
• Application proxies act as intermediaries.
• They can apply protocol-specific controls.
• They do more than header-only filtering.
• They can apply protocol-specific controls.
• They do more than header-only filtering.
వివరణ:
Question 113
ప్రశ్న 113
Which Windows feature can roll back system configuration to a previous restore point?
Explanation:
• System Restore reverts selected system configuration.
• It can help after problematic changes.
• It is not a personal-file backup mechanism.
• It can help after problematic changes.
• It is not a personal-file backup mechanism.
వివరణ:
Question 114
ప్రశ్న 114
What condition describes a system spending excessive time paging with little useful work?
Explanation:
• Thrashing is caused by excessive page activity.
• It often occurs when active working sets exceed available memory.
• Useful CPU progress becomes low.
• It often occurs when active working sets exceed available memory.
• Useful CPU progress becomes low.
వివరణ:
Question 115
ప్రశ్న 115
Which transaction command makes successful changes permanent?
Explanation:
• COMMIT finalizes a transaction.
• Committed changes become durable under ACID semantics.
• ROLLBACK undoes applicable uncommitted work.
• Committed changes become durable under ACID semantics.
• ROLLBACK undoes applicable uncommitted work.
వివరణ:
Question 116
ప్రశ్న 116
Which Access tool is specifically intended to locate records without matching related records?
Explanation:
• The Find Unmatched Query Wizard identifies unmatched relationships.
• It is useful for detecting missing related records.
• The other wizards create different objects.
• It is useful for detecting missing related records.
• The other wizards create different objects.
వివరణ:
Question 117
ప్రశ్న 117
A1:A5 contain 5,10,15,20,25. What does =COUNTIF(A1:A5,">=15") return?
Explanation:
• Values meeting >=15 are 15,20,25.
• COUNTIF counts matching cells.
• Therefore the result is 3.
• COUNTIF counts matching cells.
• Therefore the result is 3.
వివరణ:
Question 118
ప్రశ్న 118
Which feature applies an effect between slides?
Explanation:
• Transitions occur from one slide to the next.
• Animations affect slide objects.
• The other features belong elsewhere.
• Animations affect slide objects.
• The other features belong elsewhere.
వివరణ:
Question 119
ప్రశ్న 119
Which command scans protected Windows system files and attempts repair?
Explanation:
• SFC checks protected system files.
• /scannow performs an immediate scan and repair attempt.
• Network commands do not repair system files.
• /scannow performs an immediate scan and repair attempt.
• Network commands do not repair system files.
వివరణ:
Question 120
ప్రశ్న 120
Which Word feature copies formatting from one selection to another?
Explanation:
• Format Painter transfers formatting attributes.
• It is useful for quick consistent formatting.
• The distractors belong to other Office tasks.
• It is useful for quick consistent formatting.
• The distractors belong to other Office tasks.
వివరణ:
Question 121
ప్రశ్న 121
Which design technique reduces redundancy by decomposing data into well-structured related tables?
Explanation:
• Normalization organizes data to reduce redundancy and anomalies.
• It uses normal forms and relationships.
• The other options solve different problems.
• It uses normal forms and relationships.
• The other options solve different problems.
వివరణ:
Question 122
ప్రశ్న 122
Which device is designed to read shaded bubbles on standardized forms?
Explanation:
• OMR detects marked positions.
• It is commonly used for answer sheets.
• OCR and MICR recognize different kinds of information.
• It is commonly used for answer sheets.
• OCR and MICR recognize different kinds of information.
వివరణ:
Question 123
ప్రశ్న 123
What is a cache miss?
Explanation:
• A miss means the checked cache lacks the requested block.
• The system accesses a lower-level cache or memory.
• It is the opposite of a cache hit.
• The system accesses a lower-level cache or memory.
• It is the opposite of a cache hit.
వివరణ:
Question 124
ప్రశ్న 124
Which device is used to digitize a paper photograph?
Explanation:
• A scanner captures paper content as digital image data.
• It is an input device.
• The alternatives are primarily output devices.
• It is an input device.
• The alternatives are primarily output devices.
వివరణ:
Question 125
ప్రశ్న 125
Which authentication combination uses two different factor categories?
Explanation:
• Password is a knowledge factor.
• Fingerprint is a biometric factor.
• Different factor categories provide MFA.
• Fingerprint is a biometric factor.
• Different factor categories provide MFA.
వివరణ:
Question 126
ప్రశ్న 126
Which feature is used to create a drop-down list of allowed values in a cell?
Explanation:
• Data Validation can restrict allowed entries.
• List validation creates a drop-down.
• This helps standardize data entry.
• List validation creates a drop-down.
• This helps standardize data entry.
వివరణ:
Question 127
ప్రశ్న 127
Which condition is a circular wait among processes for resources?
Explanation:
• Circular resource dependency can stop progress.
• This is a deadlock.
• It differs from paging-related thrashing.
• This is a deadlock.
• It differs from paging-related thrashing.
వివరణ:
Question 128
ప్రశ్న 128
Which feature changes cell formatting automatically when values meet specified conditions?
Explanation:
• Conditional Formatting applies formats based on rules.
• It can highlight thresholds, duplicates and other conditions.
• The other features belong elsewhere.
• It can highlight thresholds, duplicates and other conditions.
• The other features belong elsewhere.
వివరణ:
Question 129
ప్రశ్న 129
Which VPN type is most suitable for connecting two office networks?
Explanation:
• Site-to-site VPNs connect networks through gateways.
• They are common for branch offices.
• Loopback and RAID are unrelated.
• They are common for branch offices.
• Loopback and RAID are unrelated.
వివరణ:
Question 130
ప్రశ్న 130
Which control verifies who a user claims to be?
Explanation:
• Authentication establishes identity confidence.
• Authorization determines permissions.
• Encryption protects confidentiality.
• Authorization determines permissions.
• Encryption protects confidentiality.
వివరణ:
Question 131
ప్రశ్న 131
A technician wants to verify whether a motherboard is receiving standby power before pressing the power button. Which observation is most useful first?
Explanation:
• Standby power exists before normal startup.
• Motherboard indicators and PSU/AC connections are relevant to that condition.
• Storage and application tools do not test standby power.
• Motherboard indicators and PSU/AC connections are relevant to that condition.
• Storage and application tools do not test standby power.
వివరణ:
Question 132
ప్రశ్న 132
A memory module has 8 GiB capacity. Four identical modules are installed. What is total nominal RAM?
Explanation:
• 4 × 8 GiB = 32 GiB.
• Capacities add across modules.
• Nominal capacity is 32 GiB.
• Capacities add across modules.
• Nominal capacity is 32 GiB.
వివరణ:
Question 133
ప్రశ్న 133
What does =IF(90>=75,"A","B") return?
Explanation:
• The logical test 90>=75 is TRUE.
• IF returns its second argument when TRUE.
• Therefore it returns A.
• IF returns its second argument when TRUE.
• Therefore it returns A.
వివరణ:
Question 134
ప్రశ్న 134
A laser printout has toner that smears easily. Which part should be checked?
Explanation:
• The fuser bonds toner using heat and pressure.
• Poor fusing can leave toner loose.
• Scanner and network components are unrelated.
• Poor fusing can leave toner loose.
• Scanner and network components are unrelated.
వివరణ:
Question 135
ప్రశ్న 135
Which component converts AC mains input into regulated DC outputs used by internal PC components?
Explanation:
• The PSU/SMPS performs power conversion.
• It provides regulated DC rails for motherboard and devices.
• The other components do not convert mains power.
• It provides regulated DC rails for motherboard and devices.
• The other components do not convert mains power.
వివరణ:
Question 136
ప్రశ్న 136
A1:A5 contain 5,10,15,20,25. What does =AVERAGE(A1:A5) return?
Explanation:
• The sum is 75.
• There are five values.
• 75÷5 = 15.
• There are five values.
• 75÷5 = 15.
వివరణ:
Question 137
ప్రశ్న 137
Which printer uses a matrix of impact pins striking an ink ribbon?
Explanation:
• Dot-matrix printers use impact pins.
• They strike a ribbon against paper.
• Laser and inkjet printers use non-impact processes.
• They strike a ribbon against paper.
• Laser and inkjet printers use non-impact processes.
వివరణ:
Question 138
ప్రశ్న 138
Which term describes queued printing so applications can continue while the printer works?
Explanation:
• Spooling stores print jobs in a queue.
• The printer processes them asynchronously.
• Paging and hashing solve other problems.
• The printer processes them asynchronously.
• Paging and hashing solve other problems.
వివరణ:
Question 139
ప్రశ్న 139
Which statement about device drivers is correct?
Explanation:
• Drivers translate OS requests into device-specific operations.
• They are part of system software.
• They are essential for many hardware devices.
• They are part of system software.
• They are essential for many hardware devices.
వివరణ:
Question 140
ప్రశ్న 140
A PC emits a repeating beep code immediately after RAM replacement. What should be done first?
Explanation:
• The symptom appears during POST after a RAM change.
• Reseating and compatibility checks directly target the changed component.
• Disk and application settings are premature.
• Reseating and compatibility checks directly target the changed component.
• Disk and application settings are premature.
వివరణ:
Question 141
ప్రశ్న 141
Which service resolves domain names to IP-related information?
Explanation:
• DNS performs distributed name resolution.
• It maps names to records including IP addresses.
• DHCP assigns configuration instead.
• It maps names to records including IP addresses.
• DHCP assigns configuration instead.
వివరణ:
Question 142
ప్రశ్న 142
A table of contents has old page numbers after editing. What is the correct operation?
Explanation:
• Automatic TOCs can be refreshed.
• Updating recalculates page numbers and heading entries.
• Reinstallation is unnecessary.
• Updating recalculates page numbers and heading entries.
• Reinstallation is unnecessary.
వివరణ:
Question 143
ప్రశ్న 143
A workstation requires memory that can detect and correct certain bit errors while running. Which memory capability is specifically relevant?
Explanation:
• ECC uses additional check information.
• It can detect/correct certain errors depending on implementation.
• It does not change volatility or replace backup.
• It can detect/correct certain errors depending on implementation.
• It does not change volatility or replace backup.
వివరణ:
Question 144
ప్రశ్న 144
A remote employee connects through an encrypted VPN from a laptop that may already contain malware. Which security statement remains correct?
Explanation:
• VPNs protect the communication channel.
• Endpoint compromise remains a separate risk.
• Layered endpoint security is still required.
• Endpoint compromise remains a separate risk.
• Layered endpoint security is still required.
వివరణ:
Question 145
ప్రశ్న 145
A PC receives 169.254.30.10 automatically when DHCP is expected. What is the likely problem?
Explanation:
• 169.254.0.0/16 is IPv4 link-local/APIPA space.
• Windows commonly uses it when DHCP fails.
• It is not a normal routed DHCP lease.
• Windows commonly uses it when DHCP fails.
• It is not a normal routed DHCP lease.
వివరణ:
Question 146
ప్రశ్న 146
Which design displays one parent record and its many related child records on the same screen?
Explanation:
• A subform is ideal for one-to-many relationships.
• The main form shows the parent and the subform shows related child rows.
• This preserves relational structure.
• The main form shows the parent and the subform shows related child rows.
• This preserves relational structure.
వివరణ:
Question 147
ప్రశ్న 147
Which query type removes qualifying records?
Explanation:
• Delete queries remove rows meeting criteria.
• They can affect many records at once.
• Backups are prudent before destructive actions.
• They can affect many records at once.
• Backups are prudent before destructive actions.
వివరణ:
Question 148
ప్రశ్న 148
Which command creates a directory named CASES in the current path?
Explanation:
• MD or MKDIR creates directories.
• DEL removes files.
• TYPE displays file contents.
• DEL removes files.
• TYPE displays file contents.
వివరణ:
Question 149
ప్రశ్న 149
Which Windows utility is opened by devmgmt.msc?
Explanation:
• devmgmt.msc opens Device Manager.
• It is used for hardware/driver management.
• Other MSC commands open different consoles.
• It is used for hardware/driver management.
• Other MSC commands open different consoles.
వివరణ:
Question 150
ప్రశ్న 150
Which command repairs the Windows component store when used with the appropriate options?
Explanation:
• DISM can service and repair the Windows image.
• /RestoreHealth targets component-store corruption.
• DIR and ATTRIB are file commands.
• /RestoreHealth targets component-store corruption.
• DIR and ATTRIB are file commands.
వివరణ:
Question 151
ప్రశ్న 151
Which statement about the Internet is correct?
Explanation:
• The Internet interconnects many independently operated networks.
• TCP/IP is fundamental to its operation.
• It is much broader than a single LAN.
• TCP/IP is fundamental to its operation.
• It is much broader than a single LAN.
వివరణ:
Question 152
ప్రశ్న 152
Which locality principle explains repeated access to a loop variable?
Explanation:
• Temporal locality concerns reuse of recently accessed data.
• Loop variables are repeatedly accessed.
• Caches benefit from keeping such data nearby.
• Loop variables are repeatedly accessed.
• Caches benefit from keeping such data nearby.
వివరణ:
Question 153
ప్రశ్న 153
What is the primary purpose of a CPU heat sink?
Explanation:
• The heat sink increases surface area for heat dissipation.
• Fans can improve airflow across it.
• Storage and networking are unrelated.
• Fans can improve airflow across it.
• Storage and networking are unrelated.
వివరణ:
Question 154
ప్రశ్న 154
Which Arrange command equalizes horizontal spacing among selected shapes?
Explanation:
• Distribute Horizontally equalizes spacing.
• Alignment and distribution are different operations.
• Grouping does not itself change spacing.
• Alignment and distribution are different operations.
• Grouping does not itself change spacing.
వివరణ:
Question 155
ప్రశ్న 155
Which aggregate function returns the average of numeric values?
Explanation:
• AVG calculates the arithmetic mean of non-null numeric values.
• COUNT counts values.
• ORDER BY is not an aggregate.
• COUNT counts values.
• ORDER BY is not an aggregate.
వివరణ:
Question 156
ప్రశ్న 156
Which firewall type tracks connection state?
Explanation:
• Stateful firewalls maintain information about active sessions.
• Return traffic can be evaluated in context.
• Stateless filters evaluate packets independently.
• Return traffic can be evaluated in context.
• Stateless filters evaluate packets independently.
వివరణ:
Question 157
ప్రశ్న 157
Which memory is nonvolatile?
Explanation:
• ROM/flash retains data without normal power.
• Ordinary RAM and registers are volatile.
• Firmware storage therefore uses nonvolatile memory.
• Ordinary RAM and registers are volatile.
• Firmware storage therefore uses nonvolatile memory.
వివరణ:
Question 158
ప్రశ్న 158
Which Windows utility is opened by eventvwr.msc?
Explanation:
• eventvwr.msc opens Event Viewer.
• It displays event logs.
• Device Manager uses devmgmt.msc.
• It displays event logs.
• Device Manager uses devmgmt.msc.
వివరణ:
Question 159
ప్రశ్న 159
Which Access object is best suited for structured data entry by users?
Explanation:
• Forms provide user-friendly data entry.
• Controls can be bound to fields.
• Reports are primarily output objects.
• Controls can be bound to fields.
• Reports are primarily output objects.
వివరణ:
Question 160
ప్రశ్న 160
A motherboard has two M.2 slots, but only one supports PCIe NVMe while the other supports SATA M.2. Why can an M.2 SSD fail in the wrong slot?
Explanation:
• M.2 defines a physical module format, not a single protocol.
• Slots may support SATA, PCIe/NVMe or both.
• Protocol compatibility is therefore essential.
• Slots may support SATA, PCIe/NVMe or both.
• Protocol compatibility is therefore essential.
వివరణ:
Question 161
ప్రశ్న 161
Which mechanism makes decisions mainly from packet-header information such as addresses and ports?
Explanation:
• Packet filters use network/transport header fields.
• They apply permit/deny rules.
• They do not perform document merging or disk encryption.
• They apply permit/deny rules.
• They do not perform document merging or disk encryption.
వివరణ:
Question 162
ప్రశ్న 162
Which term describes reading another transaction's uncommitted change?
Explanation:
• A dirty read observes uncommitted data.
• The value may later be rolled back.
• Isolation levels can prevent this anomaly.
• The value may later be rolled back.
• Isolation levels can prevent this anomaly.
వివరణ:
Question 163
ప్రశ్న 163
Which Access object is the main storage object for records?
Explanation:
• Tables store records and fields.
• Forms and reports work with table/query data.
• This is the core Access data-storage object.
• Forms and reports work with table/query data.
• This is the core Access data-storage object.
వివరణ:
Question 164
ప్రశ్న 164
Which query type creates row-and-column aggregate summaries?
Explanation:
• Crosstab queries provide matrix-style summaries.
• They use row headings, column headings and aggregate values.
• Action queries serve other purposes.
• They use row headings, column headings and aggregate values.
• Action queries serve other purposes.
వివరణ:
Question 165
ప్రశ్న 165
Which firmware-related memory technology is commonly rewritable without removing the chip from the motherboard?
Explanation:
• Modern firmware is commonly stored in flash memory.
• It can be electrically reprogrammed in-system.
• PROM is not routinely rewritable.
• It can be electrically reprogrammed in-system.
• PROM is not routinely rewritable.
వివరణ:
Question 166
ప్రశ్న 166
Which pane shows document headings for quick navigation?
Explanation:
• The Navigation Pane can display heading hierarchy.
• Users can jump among sections.
• It is especially useful in long documents.
• Users can jump among sections.
• It is especially useful in long documents.
వివరణ:
Question 167
ప్రశ్న 167
Which query type asks the user for a value at run time?
Explanation:
• Parameter queries prompt for input.
• The value can be used in criteria.
• This supports reusable interactive queries.
• The value can be used in criteria.
• This supports reusable interactive queries.
వివరణ:
Question 168
ప్రశ్న 168
Which feature solves for an input value needed to achieve a target formula result?
Explanation:
• Goal Seek works backward from a desired formula result.
• The changing cell is adjusted automatically.
• It is part of What-If Analysis.
• The changing cell is adjusted automatically.
• It is part of What-If Analysis.
వివరణ:
Question 169
ప్రశ్న 169
Using AMAT = cache time + miss rate × miss penalty, cache time is 1 ns, hit rate 95%, miss penalty 60 ns. What is AMAT?
Explanation:
• Miss rate = 5% = 0.05.
• AMAT = 1 + 0.05×60 = 4 ns.
• The result includes the initial cache access plus expected miss cost.
• AMAT = 1 + 0.05×60 = 4 ns.
• The result includes the initial cache access plus expected miss cost.
వివరణ:
Question 170
ప్రశ్న 170
What is the result of converting 12 GiB to MiB using 1 GiB = 1024 MiB?
Explanation:
• 12 × 1024 = 12288.
• Binary memory conversion uses 1024 MiB per GiB.
• Therefore 12 GiB equals 12288 MiB.
• Binary memory conversion uses 1024 MiB per GiB.
• Therefore 12 GiB equals 12288 MiB.
వివరణ:
Question 171
ప్రశ్న 171
Which clause restricts rows returned or affected according to a condition?
Explanation:
• WHERE applies row-selection criteria.
• It can be used with SELECT, UPDATE and DELETE.
• ORDER BY controls result ordering.
• It can be used with SELECT, UPDATE and DELETE.
• ORDER BY controls result ordering.
వివరణ:
Question 172
ప్రశ్న 172
Which property should be used to restrict a numeric field to values between 1 and 10?
Explanation:
• Validation Rule tests whether entered values satisfy a condition.
• A range condition can enforce 1 through 10.
• Caption changes display text only.
• A range condition can enforce 1 through 10.
• Caption changes display text only.
వివరణ:
Question 173
ప్రశ్న 173
Which clause sorts query results?
Explanation:
• ORDER BY arranges returned rows.
• WHERE filters rows.
• COMMIT and ROLLBACK control transactions.
• WHERE filters rows.
• COMMIT and ROLLBACK control transactions.
వివరణ:
Question 174
ప్రశ్న 174
Which hierarchy is correctly ordered from fastest to slowest?
Explanation:
• Registers are fastest.
• Caches are faster than main memory.
• Secondary storage is slower but larger.
• Caches are faster than main memory.
• Secondary storage is slower but larger.
వివరణ:
Question 175
ప్రశ్న 175
Which technology converts scanned printed words into editable characters?
Explanation:
• OCR recognizes printed characters from images.
• It can make scanned text editable/searchable.
• OMR recognizes marks, not general text.
• It can make scanned text editable/searchable.
• OMR recognizes marks, not general text.
వివరణ:
Question 176
ప్రశ్న 176
Which option supports a unique first-page header within a section?
Explanation:
• Different First Page separates the first-page header/footer.
• It is common for title pages.
• Other options serve different purposes.
• It is common for title pages.
• Other options serve different purposes.
వివరణ:
Question 177
ప్రశ్న 177
Which term describes a circular wait among transactions for locks?
Explanation:
• Circular lock dependency can halt progress.
• The DBMS must detect or otherwise resolve the situation.
• This is a deadlock.
• The DBMS must detect or otherwise resolve the situation.
• This is a deadlock.
వివరణ:
Question 178
ప్రశ్న 178
Which motherboard connector is normally used for SATA data communication with a 2.5-inch SATA SSD?
Explanation:
• SATA SSDs use a SATA data connection to the motherboard.
• Power is supplied separately by the PSU.
• ATX and DIMM connectors serve other purposes.
• Power is supplied separately by the PSU.
• ATX and DIMM connectors serve other purposes.
వివరణ:
Question 179
ప్రశ్న 179
Which feature can make a shape navigate to another slide when clicked during a show?
Explanation:
• Actions and hyperlinks can navigate to specified slides.
• They enable interactive presentations.
• Masters and compression do not provide navigation.
• They enable interactive presentations.
• Masters and compression do not provide navigation.
వివరణ:
Question 180
ప్రశ్న 180
Which statement about EEPROM is correct?
Explanation:
• EEPROM is electrically erasable nonvolatile memory.
• It retains data without power.
• EPROM, not EEPROM, is associated with UV erasure.
• It retains data without power.
• EPROM, not EEPROM, is associated with UV erasure.
వివరణ:
Question 181
ప్రశ్న 181
Which Word feature records inserted/deleted text and formatting changes for review?
Explanation:
• Track Changes records revisions.
• Reviewers can accept or reject them.
• It supports collaborative editing.
• Reviewers can accept or reject them.
• It supports collaborative editing.
వివరణ:
Question 182
ప్రశ్న 182
A host can reach a server by IP but not by hostname. Which service is likely at fault?
Explanation:
• IP reachability is working.
• Name resolution is the failing step.
• DNS provides hostname resolution.
• Name resolution is the failing step.
• DNS provides hostname resolution.
వివరణ:
Question 183
ప్రశ్న 183
Which OS mechanism allows multiple programs to share CPU time?
Explanation:
• The scheduler allocates CPU time among runnable tasks.
• This enables multitasking.
• RAID and DNS serve different functions.
• This enables multitasking.
• RAID and DNS serve different functions.
వివరణ:
Question 184
ప్రశ్న 184
What does =ROUND(18.746,2) return?
Explanation:
• The third decimal digit is 6.
• Rounding to two decimals increases the hundredths digit.
• The result is 18.75.
• Rounding to two decimals increases the hundredths digit.
• The result is 18.75.
వివరణ:
Question 185
ప్రశ్న 185
Which print layout places a slide together with its speaker notes?
Explanation:
• Notes Pages combine slide image and notes.
• They are useful for presenter reference.
• Handouts show slide thumbnails.
• They are useful for presenter reference.
• Handouts show slide thumbnails.
వివరణ:
Question 186
ప్రశ్న 186
What does =POWER(3,4) return?
Explanation:
• POWER(3,4) means 3 raised to the fourth power.
• 3×3×3×3 = 81.
• Therefore the output is 81.
• 3×3×3×3 = 81.
• Therefore the output is 81.
వివరణ:
Question 187
ప్రశ్న 187
A byte-addressable machine has 16 address lines. How many bytes can be directly addressed?
Explanation:
• 16 address bits give 2^16 unique addresses.
• 2^16 = 65536.
• Byte addressing means one byte per address.
• 2^16 = 65536.
• Byte addressing means one byte per address.
వివరణ:
Question 188
ప్రశ్న 188
Which device reads magnetic-ink characters on bank cheques?
Explanation:
• MICR recognizes specially encoded magnetic-ink characters.
• It is traditionally used in banking.
• OMR and webcams serve different purposes.
• It is traditionally used in banking.
• OMR and webcams serve different purposes.
వివరణ:
Question 189
ప్రశ్న 189
Which scheduling approach allows the OS to interrupt a running process before it voluntarily yields?
Explanation:
• Preemption allows forced CPU reallocation.
• Time-sliced systems commonly use it.
• It is a core scheduling concept.
• Time-sliced systems commonly use it.
• It is a core scheduling concept.
వివరణ:
Question 190
ప్రశ్న 190
Which connector is normally used by a wired Ethernet NIC?
Explanation:
• Twisted-pair Ethernet commonly uses RJ45-style connectors.
• HDMI/DisplayPort are display interfaces.
• 3.5 mm is typically analog audio.
• HDMI/DisplayPort are display interfaces.
• 3.5 mm is typically analog audio.
వివరణ:
Question 191
ప్రశ్న 191
What does =MOD(37,8) return?
Explanation:
• 37 = 8×4 + 5.
• MOD returns the remainder.
• Therefore the result is 5.
• MOD returns the remainder.
• Therefore the result is 5.
వివరణ:
Question 192
ప్రశ్న 192
Which statement about a motherboard's 24-pin ATX connector is correct?
Explanation:
• The 24-pin connector provides main motherboard power.
• Ethernet and video use different connectors.
• RAM uses DIMM slots.
• Ethernet and video use different connectors.
• RAM uses DIMM slots.
వివరణ:
Question 193
ప్రశ్న 193
Which memory type is normally used for CPU cache because it is fast and does not require periodic refresh?
Explanation:
• SRAM is fast and refresh-free while powered.
• It is commonly used for cache.
• DRAM is denser but requires refresh.
• It is commonly used for cache.
• DRAM is denser but requires refresh.
వివరణ:
Question 194
ప్రశ్న 194
Which Word feature automatically lists headings and page numbers?
Explanation:
• An automatic TOC can be generated from heading styles.
• It can be updated after document changes.
• Track Changes is for revision review.
• It can be updated after document changes.
• Track Changes is for revision review.
వివరణ:
Question 195
ప్రశ్న 195
Which command displays a tree of directories and also lists files?
Explanation:
• TREE shows directory hierarchy.
• /F adds file names.
• DIR uses a different listing format.
• /F adds file names.
• DIR uses a different listing format.
వివరణ:
Question 196
ప్రశ్న 196
Why is thermal compound applied in a thin layer between CPU and heat sink?
Explanation:
• Air gaps reduce thermal transfer.
• Thermal compound improves surface contact.
• It has no power, storage or security function.
• Thermal compound improves surface contact.
• It has no power, storage or security function.
వివరణ:
Question 197
ప్రశ్న 197
Which broad sequence is correct for instruction processing in a simple CPU model?
Explanation:
• Instruction execution begins with fetch.
• The instruction is then decoded and executed.
• This is the standard simplified instruction cycle.
• The instruction is then decoded and executed.
• This is the standard simplified instruction cycle.
వివరణ:
Question 198
ప్రశ్న 198
Which feature applies motion or emphasis to objects on a slide?
Explanation:
• Animations target slide objects.
• They include entrance, emphasis and exit effects.
• Transitions act between slides.
• They include entrance, emphasis and exit effects.
• Transitions act between slides.
వివరణ:
Question 199
ప్రశ్న 199
A hardware error is reported immediately after power-on, before any operating-system boot files are read. Which startup process is responsible for this early hardware checking?
Explanation:
• POST belongs to the pre-boot stage.
• It helps firmware detect and initialize hardware.
• It is unrelated to applications or DBMS operations.
• It helps firmware detect and initialize hardware.
• It is unrelated to applications or DBMS operations.
వివరణ:
Question 200
ప్రశ్న 200
Which locality principle explains why sequential instruction execution benefits from cache?
Explanation:
• Sequential execution accesses nearby addresses.
• Spatial locality predicts nearby locations will be used soon.
• Caches exploit this behavior.
• Spatial locality predicts nearby locations will be used soon.
• Caches exploit this behavior.
వివరణ:
Answer Key సమాధానాల పట్టిక
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Question 1 ప్రశ్న 1Answer: A. HTTPS సమాధానం: A.
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Question 2 ప్రశ్న 2Answer: B. Laser printer సమాధానం: B.
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Question 3 ప్రశ్న 3Answer: D. netstat సమాధానం: D.
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Question 4 ప్రశ్న 4Answer: D. Make-table query సమాధానం: D.
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Question 5 ప్రశ్న 5Answer: A. Waiting/Blocked సమాధానం: A.
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Question 6 ప్రశ్న 6Answer: C. -8.13 సమాధానం: C.
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Question 7 ప్రశ్న 7Answer: B. Process సమాధానం: B.
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Question 8 ప్రశ్న 8Answer: D. Encryption సమాధానం: D.
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Question 9 ప్రశ్న 9Answer: D. Case power-switch wiring/button సమాధానం: D.
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Question 10 ప్రశ్న 10Answer: C. Styles సమాధానం: C.
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Question 11 ప్రశ్న 11Answer: C. Registers సమాధానం: C.
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Question 12 ప్రశ్న 12Answer: D. Traditional EPROM can be erased with ultraviolet light and then reprogrammed. సమాధానం: D.
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Question 13 ప్రశ్న 13Answer: C. COUNTA సమాధానం: C.
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Question 14 ప్రశ్న 14Answer: C. Authorization సమాధానం: C.
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Question 15 ప్రశ్న 15Answer: C. LAN సమాధానం: C.
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Question 16 ప్రశ్న 16Answer: B. Restrict Editing సమాధానం: B.
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Question 17 ప్రశ్న 17Answer: B. File-system management సమాధానం: B.
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Question 18 ప్రశ్న 18Answer: C. An intranet resource accessed remotely through protected connectivity సమాధానం: C.
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Question 19 ప్రశ్న 19Answer: A. PCI Express x16 సమాధానం: A.
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Question 20 ప్రశ్న 20Answer: C. =F$1+$E5 సమాధానం: C.
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Question 21 ప్రశ్న 21Answer: D. Report సమాధానం: D.
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Question 22 ప్రశ్న 22Answer: D. VPN సమాధానం: D.
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Question 23 ప్రశ్న 23Answer: B. Input Mask సమాధానం: B.
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Question 24 ప్రశ్న 24Answer: A. 140 సమాధానం: A.
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Question 25 ప్రశ్న 25Answer: B. Slide Sorter సమాధానం: B.
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Question 26 ప్రశ్న 26Answer: B. The processor/motherboard compatibility must be verified before OS troubleshooting. సమాధానం: B.
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Question 27 ప్రశ్న 27Answer: B. Demand paging సమాధానం: B.
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Question 28 ప్రశ్న 28Answer: D. COUNTBLANK సమాధానం: D.
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Question 29 ప్రశ్న 29Answer: C. RTC/CMOS coin-cell battery సమాధానం: C.
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Question 30 ప్రశ్న 30Answer: D. System Configuration సమాధానం: D.
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Question 31 ప్రశ్న 31Answer: B. Cryptographic hash function సమాధానం: B.
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Question 32 ప్రశ్న 32Answer: C. Isolation సమాధానం: C.
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Question 33 ప్రశ్న 33Answer: B. Find and Replace సమాధానం: B.
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Question 34 ప్రశ్న 34Answer: B. ping సమాధానం: B.
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Question 35 ప్రశ్న 35Answer: A. Large-format plotter/printer సమాధానం: A.
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Question 36 ప్రశ్న 36Answer: A. View సమాధానం: A.
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Question 37 ప్రశ్న 37Answer: C. ipconfig /flushdns సమాధానం: C.
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Question 38 ప్రశ్న 38Answer: A. Slide Master సమాధానం: A.
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Question 39 ప్రశ్న 39Answer: A. Connect the CPU cooler fan to the proper CPU_FAN header and verify operation. సమాధానం: A.
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Question 40 ప్రశ్న 40Answer: D. UPDATE సమాధానం: D.
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Question 41 ప్రశ్న 41Answer: C. COUNT సమాధానం: C.
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Question 42 ప్రశ్న 42Answer: C. A private organizational network/information environment intended mainly for authorized users సమాధానం: C.
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Question 43 ప్రశ్న 43Answer: C. PCI Express సమాధానం: C.
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Question 44 ప్రశ్న 44Answer: C. 96% సమాధానం: C.
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Question 45 ప్రశ్న 45Answer: D. CD .. సమాధానం: D.
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Question 46 ప్రశ్న 46Answer: C. Disk Management సమాధానం: C.
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Question 47 ప్రశ్న 47Answer: B. Primary key సమాధానం: B.
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Question 48 ప్రశ్న 48Answer: C. MAN సమాధానం: C.
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Question 49 ప్రశ్న 49Answer: A. ROLLBACK సమాధానం: A.
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Question 50 ప్రశ్న 50Answer: B. Select the correct monitor input and verify the display cable/output. సమాధానం: B.
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Question 51 ప్రశ్న 51Answer: C. Number with Field Size Long Integer సమాధానం: C.
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Question 52 ప్రశ్న 52Answer: B. ATTRIB +R REPORT.TXT సమాధానం: B.
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Question 53 ప్రశ్న 53Answer: C. It can transition to Ready. సమాధానం: C.
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Question 54 ప్రశ్న 54Answer: B. Instruction Register సమాధానం: B.
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Question 55 ప్రశ్న 55Answer: B. ipconfig /all సమాధానం: B.
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Question 56 ప్రశ్న 56Answer: C. tracert సమాధానం: C.
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Question 57 ప్రశ్న 57Answer: C. An event requiring OS handling because the referenced virtual page is not currently mapped as required in physical memory. సమాధానం: C.
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Question 58 ప్రశ్న 58Answer: C. Microphone సమాధానం: C.
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Question 59 ప్రశ్న 59Answer: B. Different Odd & Even Pages సమాధానం: B.
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Question 60 ప్రశ్న 60Answer: B. Presenter View సమాధానం: B.
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Question 61 ప్రశ్న 61Answer: D. ALU సమాధానం: D.
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Question 62 ప్రశ్న 62Answer: C. 70 సమాధానం: C.
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Question 63 ప్రశ్న 63Answer: B. Program Counter సమాధానం: B.
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Question 64 ప్రశ్న 64Answer: B. Section Breaks సమాధానం: B.
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Question 65 ప్రశ్న 65Answer: B. Accumulator సమాధానం: B.
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Question 66 ప్రశ్న 66Answer: A. Control Unit సమాధానం: A.
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Question 67 ప్రశ్న 67Answer: B. Footnote సమాధానం: B.
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Question 68 ప్రశ్న 68Answer: C. Custom Slide Show సమాధానం: C.
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Question 69 ప్రశ్న 69Answer: D. 75 సమాధానం: D.
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Question 70 ప్రశ్న 70Answer: D. Append query సమాధానం: D.
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Question 71 ప్రశ్న 71Answer: A. Referential integrity సమాధానం: A.
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Question 72 ప్రశ్న 72Answer: A. Firmware boot manager/boot loader chain సమాధానం: A.
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Question 73 ప్రశ్న 73Answer: D. INSERT సమాధానం: D.
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Question 74 ప్రశ్న 74Answer: B. RAM is volatile working memory; SSD is nonvolatile secondary storage. సమాధానం: B.
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Question 75 ప్రశ్న 75Answer: D. 2 సమాధానం: D.
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Question 76 ప్రశ్న 76Answer: A. Speaker సమాధానం: A.
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Question 77 ప్రశ్న 77Answer: D. Kernel mode సమాధానం: D.
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Question 78 ప్రశ్న 78Answer: A. WAN సమాధానం: A.
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Question 79 ప్రశ్న 79Answer: C. Switch సమాధానం: C.
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Question 80 ప్రశ్న 80Answer: B. False negative సమాధానం: B.
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Question 81 ప్రశ్న 81Answer: D. SELECT సమాధానం: D.
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Question 82 ప్రశ్న 82Answer: A. Monitor సమాధానం: A.
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Question 83 ప్రశ్న 83Answer: B. Motherboard chipset and firmware support for that exact CPU generation/model సమాధానం: B.
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Question 84 ప్రశ్న 84Answer: A. DELETE సమాధానం: A.
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Question 85 ప్రశ్న 85Answer: B. Mail Merge సమాధానం: B.
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Question 86 ప్రశ్న 86Answer: B. =$A6+E$1 సమాధానం: B.
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Question 87 ప్రశ్న 87Answer: B. Thrashing సమాధానం: B.
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Question 88 ప్రశ్న 88Answer: B. Index సమాధానం: B.
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Question 89 ప్రశ్న 89Answer: A. GPU power delivery and PSU capacity/stability సమాధానం: A.
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Question 90 ప్రశ్న 90Answer: B. Test another USB port and inspect Device Manager on the affected PC. సమాధానం: B.
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Question 91 ప్రశ్న 91Answer: D. Prevent processes from freely accessing or corrupting each other's protected memory. సమాధానం: D.
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Question 92 ప్రశ్న 92Answer: C. Query సమాధానం: C.
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Question 93 ప్రశ్న 93Answer: B. Compare సమాధానం: B.
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Question 94 ప్రశ్న 94Answer: B. Print Spooler సమాధానం: B.
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Question 95 ప్రశ్న 95Answer: A. PivotTable సమాధానం: A.
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Question 96 ప్రశ్న 96Answer: D. Router సమాధానం: D.
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Question 97 ప్రశ్న 97Answer: B. DHCP సమాధానం: B.
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Question 98 ప్రశ్న 98Answer: A. Virtual memory with memory protection సమాధానం: A.
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Question 99 ప్రశ్న 99Answer: D. ping సమాధానం: D.
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Question 100 ప్రశ్న 100Answer: A. Record Slide Show సమాధానం: A.
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Question 101 ప్రశ్న 101Answer: D. Update query సమాధానం: D.
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Question 102 ప్రశ్న 102Answer: A. Task Manager సమాధానం: A.
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Question 103 ప్రశ్న 103Answer: D. Default deny సమాధానం: D.
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Question 104 ప్రశ్న 104Answer: C. Context switch సమాధానం: C.
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Question 105 ప్రశ్న 105Answer: C. DRAM సమాధానం: C.
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Question 106 ప్రశ్న 106Answer: D. UPS సమాధానం: D.
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Question 107 ప్రశ్న 107Answer: A. Consistency సమాధానం: A.
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Question 108 ప్రశ్న 108Answer: D. Signal the CPU that an event requires attention so an interrupt handler can run. సమాధానం: D.
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Question 109 ప్రశ్న 109Answer: B. False positive సమాధానం: B.
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Question 110 ప్రశ్న 110Answer: B. COPY *.TXT D:BACKUP సమాధానం: B.
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Question 111 ప్రశ్న 111Answer: A. MIN సమాధానం: A.
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Question 112 ప్రశ్న 112Answer: A. Application-proxy gateway సమాధానం: A.
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Question 113 ప్రశ్న 113Answer: A. System Restore సమాధానం: A.
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Question 114 ప్రశ్న 114Answer: D. Thrashing సమాధానం: D.
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Question 115 ప్రశ్న 115Answer: B. COMMIT సమాధానం: B.
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Question 116 ప్రశ్న 116Answer: A. Find Unmatched Query Wizard సమాధానం: A.
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Question 117 ప్రశ్న 117Answer: C. 3 సమాధానం: C.
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Question 118 ప్రశ్న 118Answer: C. Transition సమాధానం: C.
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Question 119 ప్రశ్న 119Answer: A. sfc /scannow సమాధానం: A.
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Question 120 ప్రశ్న 120Answer: B. Format Painter సమాధానం: B.
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Question 121 ప్రశ్న 121Answer: B. Normalization సమాధానం: B.
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Question 122 ప్రశ్న 122Answer: C. OMR reader సమాధానం: C.
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Question 123 ప్రశ్న 123Answer: B. The requested item is not present in the checked cache and must be obtained from a lower memory level. సమాధానం: B.
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Question 124 ప్రశ్న 124Answer: D. Scanner సమాధానం: D.
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Question 125 ప్రశ్న 125Answer: C. Password plus fingerprint సమాధానం: C.
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Question 126 ప్రశ్న 126Answer: D. Data Validation సమాధానం: D.
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Question 127 ప్రశ్న 127Answer: A. Deadlock సమాధానం: A.
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Question 128 ప్రశ్న 128Answer: C. Conditional Formatting సమాధానం: C.
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Question 129 ప్రశ్న 129Answer: C. Site-to-site VPN సమాధానం: C.
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Question 130 ప్రశ్న 130Answer: C. Authentication సమాధానం: C.
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Question 131 ప్రశ్న 131Answer: D. Check the motherboard standby-power indicator, PSU connection and presence of AC input. సమాధానం: D.
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Question 132 ప్రశ్న 132Answer: A. 32 GiB సమాధానం: A.
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Question 133 ప్రశ్న 133Answer: D. A సమాధానం: D.
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Question 134 ప్రశ్న 134Answer: D. Fuser assembly సమాధానం: D.
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Question 135 ప్రశ్న 135Answer: A. SMPS/Power Supply Unit సమాధానం: A.
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Question 136 ప్రశ్న 136Answer: C. 15 సమాధానం: C.
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Question 137 ప్రశ్న 137Answer: C. Dot-matrix printer సమాధానం: C.
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Question 138 ప్రశ్న 138Answer: B. Spooling సమాధానం: B.
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Question 139 ప్రశ్న 139Answer: B. They provide software interfaces that allow the OS to control and communicate with hardware devices. సమాధానం: B.
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Question 140 ప్రశ్న 140Answer: D. Power off, reseat the memory and verify supported module type/capacity. సమాధానం: D.
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Question 141 ప్రశ్న 141Answer: D. DNS సమాధానం: D.
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Question 142 ప్రశ్న 142Answer: A. Update the Table of Contents సమాధానం: A.
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Question 143 ప్రశ్న 143Answer: C. It adds error-detection/correction information and can correct certain memory-bit errors when supported. సమాధానం: C.
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Question 144 ప్రశ్న 144Answer: A. A VPN protects communication but does not automatically remove malware from an infected endpoint. సమాధానం: A.
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Question 145 ప్రశ్న 145Answer: D. DHCP lease acquisition failed and Windows self-assigned an APIPA address. సమాధానం: D.
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Question 146 ప్రశ్న 146Answer: D. Main form with linked subform సమాధానం: D.
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Question 147 ప్రశ్న 147Answer: D. Delete query సమాధానం: D.
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Question 148 ప్రశ్న 148Answer: B. MD CASES సమాధానం: B.
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Question 149 ప్రశ్న 149Answer: B. Device Manager సమాధానం: B.
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Question 150 ప్రశ్న 150Answer: D. DISM /Online /Cleanup-Image /RestoreHealth సమాధానం: D.
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Question 151 ప్రశ్న 151Answer: C. It is a global system of interconnected networks using standard networking protocols. సమాధానం: C.
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Question 152 ప్రశ్న 152Answer: A. Temporal locality సమాధానం: A.
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Question 153 ప్రశ్న 153Answer: B. Transfer heat away from the processor to the surrounding air, often with fan assistance. సమాధానం: B.
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Question 154 ప్రశ్న 154Answer: C. Distribute Horizontally సమాధానం: C.
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Question 155 ప్రశ్న 155Answer: B. AVG సమాధానం: B.
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Question 156 ప్రశ్న 156Answer: A. Stateful firewall సమాధానం: A.
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Question 157 ప్రశ్న 157Answer: C. ROM/flash firmware memory సమాధానం: C.
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Question 158 ప్రశ్న 158Answer: D. Event Viewer సమాధానం: D.
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Question 159 ప్రశ్న 159Answer: A. Form సమాధానం: A.
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Question 160 ప్రశ్న 160Answer: C. M.2 describes the form factor; slot keying/protocol support must also match the SSD. సమాధానం: C.
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Question 161 ప్రశ్న 161Answer: A. Packet filter సమాధానం: A.
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Question 162 ప్రశ్న 162Answer: A. Dirty read సమాధానం: A.
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Question 163 ప్రశ్న 163Answer: D. Table సమాధానం: D.
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Question 164 ప్రశ్న 164Answer: A. Crosstab query సమాధానం: A.
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Question 165 ప్రశ్న 165Answer: B. Flash memory సమాధానం: B.
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Question 166 ప్రశ్న 166Answer: C. Navigation Pane సమాధానం: C.
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Question 167 ప్రశ్న 167Answer: A. Parameter query సమాధానం: A.
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Question 168 ప్రశ్న 168Answer: A. Goal Seek సమాధానం: A.
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Question 169 ప్రశ్న 169Answer: A. 4 ns సమాధానం: A.
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Question 170 ప్రశ్న 170Answer: D. 12288 MiB సమాధానం: D.
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Question 171 ప్రశ్న 171Answer: D. WHERE సమాధానం: D.
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Question 172 ప్రశ్న 172Answer: C. Validation Rule సమాధానం: C.
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Question 173 ప్రశ్న 173Answer: A. ORDER BY సమాధానం: A.
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Question 174 ప్రశ్న 174Answer: A. Registers → Cache → RAM → SSD/HDD సమాధానం: A.
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Question 175 ప్రశ్న 175Answer: C. OCR సమాధానం: C.
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Question 176 ప్రశ్న 176Answer: D. Different First Page సమాధానం: D.
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Question 177 ప్రశ్న 177Answer: A. Deadlock సమాధానం: A.
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Question 178 ప్రశ్న 178Answer: A. SATA data connector సమాధానం: A.
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Question 179 ప్రశ్న 179Answer: D. Action/Hyperlink సమాధానం: D.
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Question 180 ప్రశ్న 180Answer: C. It is nonvolatile and can be electrically erased and rewritten. సమాధానం: C.
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Question 181 ప్రశ్న 181Answer: A. Track Changes సమాధానం: A.
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Question 182 ప్రశ్న 182Answer: B. DNS సమాధానం: B.
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Question 183 ప్రశ్న 183Answer: D. Process/thread scheduling సమాధానం: D.
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Question 184 ప్రశ్న 184Answer: D. 18.75 సమాధానం: D.
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Question 185 ప్రశ్న 185Answer: D. Notes Pages సమాధానం: D.
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Question 186 ప్రశ్న 186Answer: D. 81 సమాధానం: D.
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Question 187 ప్రశ్న 187Answer: D. 65536 bytes సమాధానం: D.
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Question 188 ప్రశ్న 188Answer: A. MICR reader సమాధానం: A.
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Question 189 ప్రశ్న 189Answer: B. Preemptive scheduling సమాధానం: B.
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Question 190 ప్రశ్న 190Answer: D. RJ45 సమాధానం: D.
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Question 191 ప్రశ్న 191Answer: D. 5 సమాధానం: D.
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Question 192 ప్రశ్న 192Answer: A. It supplies the motherboard's main power rails from the PSU. సమాధానం: A.
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Question 193 ప్రశ్న 193Answer: C. SRAM సమాధానం: C.
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Question 194 ప్రశ్న 194Answer: A. Table of Contents సమాధానం: A.
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Question 195 ప్రశ్న 195Answer: B. TREE /F సమాధానం: B.
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Question 196 ప్రశ్న 196Answer: C. To fill microscopic surface gaps and improve heat conduction సమాధానం: C.
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Question 197 ప్రశ్న 197Answer: C. Fetch → Decode → Execute సమాధానం: C.
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Question 198 ప్రశ్న 198Answer: C. Animation సమాధానం: C.
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Question 199 ప్రశ్న 199Answer: B. POST is part of early firmware-controlled startup and checks/initializes hardware before normal OS loading. సమాధానం: B.
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Question 200 ప్రశ్న 200Answer: A. Spatial locality సమాధానం: A.
