Please keep at least one language enabled. || కనీసం ఒక భాషను ఎంచుకోండి.
Question 1
ప్రశ్న 1
After installing a new network adapter, Windows detects the hardware but the adapter cannot be used because the operating system does not know how to communicate with it correctly. Which software is primarily required?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A device driver enables the operating system to communicate with and control a particular hardware device.
• Hardware may be physically detected but remain unusable or partially functional when the appropriate driver is missing or incorrect.
• A boot loader and partition table are associated with system startup and storage organization rather than direct control of a network adapter.
• Hardware may be physically detected but remain unusable or partially functional when the appropriate driver is missing or incorrect.
• A boot loader and partition table are associated with system startup and storage organization rather than direct control of a network adapter.
వివరణ:
Question 2
ప్రశ్న 2
A technician wants to install an operating system from a bootable USB drive, but the computer always starts from the existing internal SSD. What should normally be checked first?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• BIOS/UEFI firmware determines which available device is considered for booting according to the configured boot order or a temporary boot menu.
• If the internal SSD has higher boot priority, the system may bypass the installation USB device.
• CPU frequency and display settings do not determine which device supplies the operating-system installer.
• If the internal SSD has higher boot priority, the system may bypass the installation USB device.
• CPU frequency and display settings do not determine which device supplies the operating-system installer.
వివరణ:
Question 3
ప్రశ్న 3
Which of the following is a principal function of BIOS/UEFI firmware during computer startup?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• BIOS/UEFI firmware begins operating before the normal operating system loads.
• It initializes essential hardware, performs startup checks and identifies an appropriate boot path or boot device.
• It does not replace the operating system or act as general-purpose storage for user documents.
• It initializes essential hardware, performs startup checks and identifies an appropriate boot path or boot device.
• It does not replace the operating system or act as general-purpose storage for user documents.
వివరణ:
Question 4
ప్రశ్న 4
A computer contains both an internal SSD with a valid operating system and a bootable USB installer. The technician wants to boot from the USB only once without permanently changing the normal startup order. Which method is most appropriate?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A one-time boot menu allows a specific device to be selected for the current startup without permanently changing the normal boot sequence.
• This is useful during operating-system installation or diagnostic work.
• Formatting or physically removing the normal system drive is unnecessary and potentially destructive.
• This is useful during operating-system installation or diagnostic work.
• Formatting or physically removing the normal system drive is unnecessary and potentially destructive.
వివరణ:
Question 5
ప్రశ్న 5
Consider the following statements regarding UEFI:
1. It is a modern firmware interface used in place of legacy BIOS on many computers.
2. It can support booting using GPT-partitioned disks when the platform and operating system support it.
3. It necessarily requires every storage device in the computer to use the FAT file system.
Which of the statements given above are correct?
1. It is a modern firmware interface used in place of legacy BIOS on many computers.
2. It can support booting using GPT-partitioned disks when the platform and operating system support it.
3. It necessarily requires every storage device in the computer to use the FAT file system.
Which of the statements given above are correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• UEFI is the modern firmware framework used by most contemporary PCs.
• UEFI booting commonly supports GPT-based system disks and removes several limitations associated with legacy BIOS/MBR booting.
• UEFI does not require every storage volume in the computer to use the FAT file system.
• UEFI booting commonly supports GPT-based system disks and removes several limitations associated with legacy BIOS/MBR booting.
• UEFI does not require every storage volume in the computer to use the FAT file system.
వివరణ:
Question 6
ప్రశ్న 6
A newly installed graphics card appears in the operating system as a generic display adapter and advanced graphics features are unavailable. What is the most appropriate next step?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A generic display driver can provide basic video functionality but may not expose the full capabilities of a graphics card.
• Installing the correct compatible driver allows the operating system to use hardware-specific features and acceleration.
• Boot order and motherboard battery settings are unrelated to normal graphics-driver functionality.
• Installing the correct compatible driver allows the operating system to use hardware-specific features and acceleration.
• Boot order and motherboard battery settings are unrelated to normal graphics-driver functionality.
వివరణ:
Question 7
ప్రశ్న 7
Which situation is most likely to require entering BIOS/UEFI Setup during computer installation?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Boot-device priority is a firmware-level setting commonly configured through BIOS/UEFI Setup.
• It determines which bootable devices are considered and in what order during startup.
• Document formatting and ordinary file operations are operating-system or application tasks.
• It determines which bootable devices are considered and in what order during startup.
• Document formatting and ordinary file operations are operating-system or application tasks.
వివరణ:
Question 8
ప్రశ్న 8
A technician has physically installed a new hardware device correctly, but Windows Device Manager shows it with a warning symbol. Which action should generally be considered first?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A warning symbol in Device Manager indicates that Windows has detected a problem associated with the device or its configuration.
• Checking the reported device status and verifying its driver is a logical first diagnostic step.
• Formatting the system drive or replacing unrelated hardware before diagnosis would be inappropriate.
• Checking the reported device status and verifying its driver is a logical first diagnostic step.
• Formatting the system drive or replacing unrelated hardware before diagnosis would be inappropriate.
వివరణ:
Question 9
ప్రశ్న 9
During installation of a computer, the firmware correctly detects the SSD, but the system displays 'No bootable device' after startup. Which conclusion is most appropriate?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Firmware detection of the SSD confirms that the drive is visible at the hardware/firmware level.
• A 'No bootable device' message indicates that the firmware could not find or use a valid boot path on the selected device.
• This may result from boot-order, boot-loader or operating-system installation issues rather than automatic failure of the CPU or RAM.
• A 'No bootable device' message indicates that the firmware could not find or use a valid boot path on the selected device.
• This may result from boot-order, boot-loader or operating-system installation issues rather than automatic failure of the CPU or RAM.
వివరణ:
Question 10
ప్రశ్న 10
A technician changes several BIOS/UEFI settings and the system subsequently fails to boot properly. The technician does not remember the original values. Which firmware function is generally the most appropriate first recovery option?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• BIOS/UEFI Setup commonly provides an option to restore default or optimized default settings.
• This can reverse an incorrect configuration that prevents normal startup.
• Arbitrarily changing voltages or deleting operating-system data can create additional problems.
• This can reverse an incorrect configuration that prevents normal startup.
• Arbitrarily changing voltages or deleting operating-system data can create additional problems.
వివరణ:
Question 11
ప్రశ్న 11
Which statement best describes the relationship between an operating system and a device driver?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A driver acts as software through which the operating system can use the functions of a particular hardware device or device class.
• Different hardware may require different drivers depending on the device and operating system.
• Drivers work with the operating system rather than replacing it.
• Different hardware may require different drivers depending on the device and operating system.
• Drivers work with the operating system rather than replacing it.
వివరణ:
Question 12
ప్రశ్న 12
Match List I with List II:
List I
(a) BIOS/UEFI Setup
(b) Device driver
(c) Boot order
(d) Device Manager
List II
1. Specifies the priority of bootable devices
2. Provides an operating-system interface to hardware
3. Allows firmware-level configuration
4. Displays and manages hardware devices within Windows
Choose the correct matching code.
List I
(a) BIOS/UEFI Setup
(b) Device driver
(c) Boot order
(d) Device Manager
List II
1. Specifies the priority of bootable devices
2. Provides an operating-system interface to hardware
3. Allows firmware-level configuration
4. Displays and manages hardware devices within Windows
Choose the correct matching code.
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• BIOS/UEFI Setup provides access to firmware-level configuration, so (a)-3.
• A device driver enables operating-system communication with hardware, so (b)-2.
• Boot order controls startup-device priority, while Device Manager is used within Windows to inspect and manage hardware, giving (c)-1 and (d)-4.
• A device driver enables operating-system communication with hardware, so (b)-2.
• Boot order controls startup-device priority, while Device Manager is used within Windows to inspect and manage hardware, giving (c)-1 and (d)-4.
వివరణ:
Question 13
ప్రశ్న 13
Assertion (A): Installing a physically compatible expansion card does not always guarantee full functionality immediately after the operating system starts.
Reason (R): Some devices require a suitable operating-system driver in addition to correct physical installation.
Choose the correct answer.
Reason (R): Some devices require a suitable operating-system driver in addition to correct physical installation.
Choose the correct answer.
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Physical installation establishes the hardware connection but does not necessarily provide the software interface required by the operating system.
• Devices may need appropriate drivers to operate correctly or expose their complete functionality.
• The Reason therefore correctly explains the Assertion.
• Devices may need appropriate drivers to operate correctly or expose their complete functionality.
• The Reason therefore correctly explains the Assertion.
వివరణ:
Question 14
ప్రశ్న 14
A system currently boots in UEFI mode from a GPT-partitioned system disk. Before changing firmware configuration to legacy/CSM boot mode, what should the technician recognize?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• An operating system installed for UEFI booting normally depends on a corresponding UEFI-compatible boot structure.
• Changing firmware boot mode can therefore prevent the existing installation from starting even though the disk itself remains detected.
• Firmware mode changes do not automatically and safely convert disk partitioning schemes.
• Changing firmware boot mode can therefore prevent the existing installation from starting even though the disk itself remains detected.
• Firmware mode changes do not automatically and safely convert disk partitioning schemes.
వివరణ:
Question 15
ప్రశ్న 15
Which of the following is most directly associated with Secure Boot in a UEFI-based system?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Secure Boot is a UEFI security mechanism intended to permit appropriately trusted boot components and block unauthorized or untrusted boot software.
• It operates during the startup process rather than increasing processor speed, memory capacity or storage performance.
• Its purpose is therefore related to boot integrity.
• It operates during the startup process rather than increasing processor speed, memory capacity or storage performance.
• Its purpose is therefore related to boot integrity.
వివరణ:
Question 16
ప్రశ్న 16
After installing a SATA storage device, the device is not visible in the operating system. It is also absent from BIOS/UEFI storage information. Which troubleshooting step should be performed before attempting to install a device driver?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• If firmware itself cannot detect the drive, the problem exists before normal operating-system driver usage.
• Data and power connections, the storage port and relevant firmware/controller configuration should therefore be checked first.
• Installing an operating-system driver cannot normally correct a drive that is not physically or firmware-level detectable.
• Data and power connections, the storage port and relevant firmware/controller configuration should therefore be checked first.
• Installing an operating-system driver cannot normally correct a drive that is not physically or firmware-level detectable.
వివరణ:
Question 17
ప్రశ్న 17
A computer contains two bootable drives. The technician permanently wants the second drive to be attempted before the first during every startup. Which setting should be modified?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The persistent boot priority is configured in system firmware.
• Changing the boot order allows one bootable storage device to be attempted before another on subsequent startups.
• Mouse, monitor and sound settings do not control firmware-level boot-device selection.
• Changing the boot order allows one bootable storage device to be attempted before another on subsequent startups.
• Mouse, monitor and sound settings do not control firmware-level boot-device selection.
వివరణ:
Question 18
ప్రశ్న 18
Which of the following statements concerning device drivers is NOT correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A device driver is software, not a physical cable.
• Operating systems often include drivers for common devices, while manufacturer-provided drivers may be required for specific hardware or advanced functionality.
• Incorrect or incompatible drivers can prevent devices from functioning correctly.
• Operating systems often include drivers for common devices, while manufacturer-provided drivers may be required for specific hardware or advanced functionality.
• Incorrect or incompatible drivers can prevent devices from functioning correctly.
వివరణ:
Question 19
ప్రశ్న 19
A technician is preparing a freshly assembled PC for operating-system installation. Which sequence is the most logical?
1. Verify hardware connections and component seating.
2. Power on and confirm successful POST/hardware detection.
3. Select or prioritize the bootable installation media.
4. Start operating-system installation.
1. Verify hardware connections and component seating.
2. Power on and confirm successful POST/hardware detection.
3. Select or prioritize the bootable installation media.
4. Start operating-system installation.
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Hardware should first be checked physically before the machine is powered on.
• Successful POST and correct hardware detection should then be confirmed.
• The installation media can then be selected as the boot source so that operating-system setup can begin.
• Successful POST and correct hardware detection should then be confirmed.
• The installation media can then be selected as the boot source so that operating-system setup can begin.
వివరణ:
Question 20
ప్రశ్న 20
Which statement most accurately distinguishes BIOS/UEFI firmware from an operating-system device driver?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• BIOS/UEFI firmware executes during the early startup process before the normal operating system is fully running.
• Device drivers operate as part of or in cooperation with the operating system to control supported hardware.
• The two therefore operate at different stages and perform different roles in the system.
• Device drivers operate as part of or in cooperation with the operating system to control supported hardware.
• The two therefore operate at different stages and perform different roles in the system.
వివరణ:
Answer Key సమాధానాల పట్టిక
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Question 1 ప్రశ్న 1Answer: B. Device driver సమాధానం: B.
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Question 2 ప్రశ్న 2Answer: C. Boot order or temporary boot-device selection సమాధానం: C.
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Question 3 ప్రశ్న 3Answer: A. Initialize essential hardware and begin the boot process సమాధానం: A.
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Question 4 ప్రశ్న 4Answer: D. Use the firmware's one-time boot menu and select the USB device. సమాధానం: D.
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Question 5 ప్రశ్న 5Answer: C. 1 and 2 only సమాధానం: C.
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Question 6 ప్రశ్న 6Answer: B. Install the correct graphics-device driver. సమాధానం: B.
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Question 7 ప్రశ్న 7Answer: D. Configuring boot priority for an operating-system installation device సమాధానం: D.
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Question 8 ప్రశ్న 8Answer: A. Check the device status and verify or reinstall the appropriate driver. సమాధానం: A.
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Question 9 ప్రశ్న 9Answer: B. The storage device is detected, but a valid boot loader/operating-system boot path may be absent or not selected. సమాధానం: B.
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Question 10 ప్రశ్న 10Answer: D. Load firmware default or optimized default settings. సమాధానం: D.
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Question 11 ప్రశ్న 11Answer: A. The operating system uses device drivers to communicate with and control supported hardware devices. సమాధానం: A.
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Question 12 ప్రశ్న 12Answer: C. (a)-3, (b)-2, (c)-1, (d)-4 సమాధానం: C.
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Question 13 ప్రశ్న 13Answer: C. Both A and R are true, and R is the correct explanation of A. సమాధానం: C.
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Question 14 ప్రశ్న 14Answer: A. Changing the firmware boot mode can make the existing operating-system installation unbootable if its boot configuration depends on UEFI mode. సమాధానం: A.
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Question 15 ప్రశ్న 15Answer: D. Helping prevent unauthorized boot software from executing by verifying trusted boot components సమాధానం: D.
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Question 16 ప్రశ్న 16Answer: B. Check the drive's data and power connections and verify the relevant storage controller/port configuration. సమాధానం: B.
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Question 17 ప్రశ్న 17Answer: A. Boot priority/order in BIOS/UEFI Setup సమాధానం: A.
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Question 18 ప్రశ్న 18Answer: C. A device driver is a physical cable connecting hardware to the motherboard. సమాధానం: C.
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Question 19 ప్రశ్న 19Answer: B. 1 → 2 → 3 → 4 సమాధానం: B.
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Question 20 ప్రశ్న 20Answer: D. BIOS/UEFI performs low-level startup and hardware initialization, whereas a driver enables the operating system to use particular hardware. సమాధానం: D.