IT Essential Final Exam - Smkn1 Bongas
CLASS IT- ESSENTIAL SMK NEGERI 1 BONGAS INDRAMAYUJl. Raya margamulya No. 276 B Telp.(0234)612500 Bongas 45255
- 1.
A technician suspects that a hard drive is beginning to fail. Which two conditions wouldsupport this suspicion? (Choose two.)
- A.
The hard drive is making unusual noises.
- B.
The hard drive must be defragmented often.
- C.
The hard drive has a gradual increase in the number of bad sectors.
- D.
The hard drive light is lit briefly during the boot process.
- E.
The hard drive light is lit briefly when programs are loaded.
Correct Answer(s)
A. The hard drive is making unusual noises.
C. The hard drive has a gradual increase in the number of bad sectors.Explanation
The technician suspects that the hard drive is beginning to fail because it is making unusual noises, which is an indication of a potential hardware issue. Additionally, the gradual increase in the number of bad sectors on the hard drive supports this suspicion as it suggests that the drive is experiencing physical damage or deterioration over time.Rate this question:
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- 2.
Why should you use an antistatic mat when working on the internal components of acomputer?
- A.
Protect the technician against electrical shock
- B.
Reduce the chance of computer components being damaged by ESD
- C.
Prevent the technician's tools from being damaged by ESD
- D.
Protect computer components from AC voltage while working on the computer
Correct Answer
B. Reduce the chance of computer components being damaged by ESDExplanation
Using an antistatic mat when working on the internal components of a computer helps to reduce the chance of computer components being damaged by electrostatic discharge (ESD). ESD can occur when there is a buildup of static electricity on the technician's body or tools, and if discharged onto sensitive computer components, it can cause permanent damage. The antistatic mat provides a conductive surface that helps to dissipate any static electricity, preventing it from damaging the computer components.Rate this question:
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- 3.
You are monitoring a new technician installing a device driver on a Windows-based PC.The technician asks why the company requires the use of signed drivers. What wouldbe the best response to give?
- A.
Signed drivers prevent physical damage to devices.
- B.
An unsigned driver can cause files to be fragmented as they are processed.
- C.
A signed driver has passed Microsoft's quality lab test and prevents a system from being compromised.
- D.
All companies making devices for a Windows computer have to have Microsoft sign off on the new driver before it can be added to the operating system.
- E.
A signed driver has been approved by the company that created the device driver.
Correct Answer
C. A signed driver has passed Microsoft's quality lab test and prevents a system from being compromised. -
- 4.
While performing routine maintenance on a computer, a user is cleaning dust and debris from the PC using compressed air. How should the technician hold the can of compressed air to avoid damaging the PC?
- A.
Upside down to avoid blowing the dust upward
- B.
Upright to avoid fluid leakage
- C.
Inside the PC at close distance to the motherboard
- D.
Outside the PC to avoid blowing dust outside the PC
Correct Answer
B. Upright to avoid fluid leakageExplanation
The technician should hold the can of compressed air upright to avoid fluid leakage. If the can is held upside down, the propellant in the can may be released along with the air, potentially causing damage to the PC. Holding the can upright ensures that only the compressed air is released, allowing for safe and effective cleaning of the PC without any risk of fluid leakage.Rate this question:
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- 5.
Which two components are considered input devices? (Choose two.)
- A.
Printer
- B.
Camera
- C.
Projector
- D.
MIDI interface
- E.
Speaker
Correct Answer(s)
B. Camera
D. MIDI interfaceExplanation
The camera is considered an input device because it captures visual data and sends it to the computer for processing. The MIDI interface is also an input device as it allows musical instruments to connect to a computer and transmit musical data.Rate this question:
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- 6.
A technician begins gathering data from a customer by asking open-ended questions.Which question is a proper open-ended question?
- A.
Were any recent updates performed?
- B.
Has anyone installed new software in the past two days?
- C.
Are you the only user to use the PC recently?
- D.
What happens when the PC is powered on?
Correct Answer
D. What happens when the PC is powered on?Explanation
The question "What happens when the PC is powered on?" is a proper open-ended question because it allows the customer to provide a detailed response and share their experience or observations about what occurs when they turn on their computer. This question encourages the customer to provide more information and can help the technician gather relevant data to diagnose and solve any potential issues.Rate this question:
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- 7.
How should a floppy disk drive be cleaned?
- A.
Apply a vacuum cleaner to the disk slot.
- B.
Use a drive cleaning kit.
- C.
Spray an isopropyl alcohol based cleaner into the hole provided in the drive.
- D.
Remove heads and clean with a mild detergent.
Correct Answer
B. Use a drive cleaning kit.Explanation
A floppy disk drive should be cleaned using a drive cleaning kit. This is because a drive cleaning kit is specifically designed to safely and effectively clean the delicate components of a floppy disk drive. Using a vacuum cleaner or spraying a cleaner directly into the drive can potentially cause damage to the drive and its components. Removing heads and cleaning with a mild detergent is not recommended as it requires disassembling the drive, which can be complex and may result in further damage if not done correctly.Rate this question:
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- 8.
What is the recommended way to clean an optical drive?
- A.
Use compressed air and lint-free cotton swabs.
- B.
Use cotton swabs and denatured alcohol.
- C.
Use a vacuum cleaner.
- D.
Use glass cleaner and a lint-free cloth.
Correct Answer
A. Use compressed air and lint-free cotton swabs.Explanation
Using compressed air and lint-free cotton swabs is the recommended way to clean an optical drive. Compressed air can be used to remove dust and debris from the drive, while lint-free cotton swabs can be used to gently clean the lens and other delicate components. This method is effective in removing dirt without causing damage to the drive. Using cotton swabs and denatured alcohol may be too harsh for the delicate components of the optical drive. Using a vacuum cleaner or glass cleaner and a lint-free cloth may also cause damage to the drive.Rate this question:
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- 9.
What are three reasons to add an additional hard drive to a computer? (Choose three.)
- A.
To store the system swap file
- B.
To implement RAID and provide fault tolerance
- C.
To speed up the Internet download speed
- D.
To install a second operating system
- E.
To decrease the time needed for defragmentation
Correct Answer(s)
A. To store the system swap file
B. To implement RAID and provide fault tolerance
D. To install a second operating systemExplanation
Adding an additional hard drive to a computer can provide several benefits. Firstly, it can be used to store the system swap file, which is a portion of the hard drive that is used as virtual memory when the computer's physical memory is full. This helps improve the overall performance of the system. Secondly, it can be used to implement RAID (Redundant Array of Independent Disks) and provide fault tolerance. RAID allows for data redundancy and increased data protection in case of a hard drive failure. Lastly, an additional hard drive can be used to install a second operating system, allowing for dual-booting and greater flexibility in terms of software usage.Rate this question:
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- 10.
Which three peripherals would be considered output devices? (Choose three.)
- A.
Camera
- B.
Display monitor
- C.
Projector
- D.
Speaker
- E.
Microphone
Correct Answer(s)
B. Display monitor
C. Projector
D. SpeakerExplanation
The three peripherals that would be considered output devices are display monitor, projector, and speaker. A display monitor is used to visually output information, such as images or text. A projector is also used for visual output, projecting images onto a larger screen or surface. A speaker is an audio output device, used to produce sound or music. These devices take information from a computer or other device and provide output in the form of visuals or audio.Rate this question:
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- 11.
Which two motherboard features must be compatible when selecting a new CPU?(Choose two.)
- A.
Chip set
- B.
Number of expansion slots
- C.
Quantity of memory
- D.
Socket type
- E.
Number of USB interfaces
Correct Answer(s)
A. Chip set
D. Socket typeExplanation
When selecting a new CPU, two motherboard features that must be compatible are the chip set and socket type. The chip set is responsible for managing communication between the CPU, memory, and other peripherals, so it needs to be compatible with the CPU. The socket type refers to the physical connector on the motherboard that the CPU fits into, so the CPU and motherboard must have matching socket types for proper compatibility. The other options, such as number of expansion slots, quantity of memory, and number of USB interfaces, are not directly related to CPU compatibility.Rate this question:
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- 12.
A technician is helping a client select additional RAM for a computer. Which three itemsshould be considered when updating RAM? (Choose three.)
- A.
The quantity of memory must exceed the size of the swap file.
- B.
The memory must be compatible with the video card.
- C.
The memory must be compatible with the motherboard.
- D.
The new memory must be the same type as the memory already present.
- E.
The speed of the new memory must be the same or faster than the existing memory.
Correct Answer(s)
C. The memory must be compatible with the motherboard.
D. The new memory must be the same type as the memory already present.
E. The speed of the new memory must be the same or faster than the existing memory.Explanation
When updating RAM, three items that should be considered are:
1. The memory must be compatible with the motherboard. This is important as the motherboard determines the type and maximum capacity of RAM that can be supported.
2. The new memory must be the same type as the memory already present. Mixing different types of RAM can lead to compatibility issues and may not work properly.
3. The speed of the new memory must be the same or faster than the existing memory. Mismatched speeds can result in performance issues or the RAM not functioning correctly.Rate this question:
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- 13.
Which type of hard drive cable connects drives in a daisy chain series and requiresmanual termination at each end of the daisy chain to prevent data corruption?
- A.
PATA
- B.
SATA
- C.
SCSI
- D.
USB
- E.
ATA
Correct Answer
C. SCSIExplanation
SCSI (Small Computer System Interface) is the correct answer because it is a type of hard drive cable that connects drives in a daisy chain series. In a SCSI daisy chain, each drive is connected to the next drive in the chain, allowing multiple drives to be connected to a single SCSI controller. Manual termination at each end of the daisy chain is required to prevent data corruption, as it ensures that the signal is properly terminated and prevents signal reflections that can cause data errors. PATA, SATA, and USB are not daisy chainable and do not require manual termination, while ATA is a general term that includes both PATA and SATA.Rate this question:
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- 14.
A technician has installed a new processor for a client in an attempt to improve the performance of an older computer. After installing the processor, the technician is unable to start the system. Which three steps should be taken first to solve the problem? (Choose two.)
- A.
Install new memory.
- B.
Reseat the processor.
- C.
Verify that heat sink fans are connected to the power supply.
- D.
Verify CPU compatibility with the motherboard and BIOS version.
- E.
Flash the CPU instruction set.
Correct Answer(s)
B. Reseat the processor.
D. Verify CPU compatibility with the motherboard and BIOS version.Explanation
To solve the problem of the system not starting after installing a new processor, the technician should first reseat the processor. This involves removing and reinstalling the processor to ensure it is properly connected. The technician should then verify the compatibility of the CPU with the motherboard and BIOS version. This is important as an incompatible CPU may not work with the system. By following these steps, the technician can troubleshoot and potentially resolve the issue with the system not starting.Rate this question:
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- 15.
While troubleshooting a computer, a technician notices that the computer will not bootnormally but it can boot into Safe Mode. What is the most likely cause of the problem?
- A.
Hard drive failure
- B.
Video card failure
- C.
A driver
- D.
Corrupt MBR
Correct Answer
C. A driverExplanation
The most likely cause of the computer not booting normally but being able to boot into Safe Mode is a driver issue. Safe Mode loads only essential drivers and services, bypassing any non-essential or problematic drivers. This suggests that one of the installed drivers is causing the issue, possibly due to corruption or incompatibility. By booting into Safe Mode, the computer can temporarily disable the problematic driver, allowing it to start up.Rate this question:
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- 16.
While performing routine maintenance, a user notices that the desk area around the computer is cluttered and dusty. After cleaning the desk area, what action should the user take to clean the computer?
- A.
Vacuum all dust and debris from the computer.
- B.
Remove all dust and debris from the computer using a can of compressed air.
- C.
Clean the internal components of the computer using a non-abrasive spray cleaner and an anti-static sponge.
- D.
Clean the inside of the computer using a lint-free cloth and a pencil to dislodge stuck or embedded debris.
Correct Answer
B. Remove all dust and debris from the computer using a can of compressed air.Explanation
After cleaning the desk area, the user should remove all dust and debris from the computer using a can of compressed air. This is the most appropriate action because compressed air is an effective tool for removing dust and debris from the computer's internal components without causing any damage. It allows for a thorough cleaning by blowing away particles that may be stuck or embedded in hard-to-reach areas. Using a can of compressed air is a safe and efficient method to ensure the computer remains free from dust and debris, which can cause overheating and other performance issues.Rate this question:
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- 17.
When examining hard drive cables, what is the best way to determine if a cable is properly plugged in?
- A.
Shake the cable to determine if function is intermittent.
- B.
Replace the cable with a "known good" cable.
- C.
Unplug the cable and plug the cable in to guarantee connection.
- D.
Reboot the device and look for link lights.
Correct Answer
C. Unplug the cable and plug the cable in to guarantee connection.Explanation
The best way to determine if a hard drive cable is properly plugged in is to unplug the cable and then plug it in again. This ensures that the connection is secure and eliminates any possibility of a loose or partially connected cable. By physically removing and reinserting the cable, you can guarantee that it is properly plugged in and functioning correctly.Rate this question:
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- 18.
A technician fails to successfully boot a computer into Safe Mode. The technician then successfully boots the computer using a Windows boot disk. What is the most likely cause of the problem?
- A.
Driver failure
- B.
Hard drive failure
- C.
Memory failure
- D.
Corrupt BIOS
Correct Answer
B. Hard drive failureExplanation
The most likely cause of the problem is a hard drive failure. This is indicated by the fact that the technician was unable to boot the computer into Safe Mode, which suggests that there may be an issue with the operating system or files on the hard drive. The successful boot using a Windows boot disk also supports this explanation, as it indicates that the computer's hardware is functioning properly but there may be an issue specifically with the hard drive.Rate this question:
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- 19.
A technician has determined that a computer is failing to boot because of a power supply that is not supplying power to the hard drives. What is the correct course of action?
- A.
The technician should attempt to repair the power supply. If the attempt is unsuccessful, the power supply should be thrown in the trash and replaced.
- B.
The technician should attempt to repair the power supply. If the technician is unsuccessful, the power supply should be replaced with a power supply of equal or greater wattage.
- C.
No attempt should be made to repair the power supply. The power supply should be replaced with a power supply of equal or greater wattage.
- D.
Power supplies should always be replaced with components of equal or less wattage to avoid damage to the system from excess power to internal components.
Correct Answer
C. No attempt should be made to repair the power supply. The power supply should be replaced with a power supply of equal or greater wattage.Explanation
The correct course of action is to not attempt to repair the power supply and instead replace it with a power supply of equal or greater wattage. This is because if the power supply is not supplying power to the hard drives, it is likely faulty and cannot be repaired. Replacing it with a power supply of equal or greater wattage ensures that the computer will receive the necessary power to function properly.Rate this question:
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- 20.
When a technician is servicing a laser printer, which two dangers need to be avoided?(Choose two.)
- A.
Mercury poisoning
- B.
Electrical shock
- C.
Chromium ingestion
- D.
Burns
- E.
Lead poisoning
Correct Answer(s)
B. Electrical shock
D. BurnsExplanation
When servicing a laser printer, technicians need to be cautious about two potential dangers. The first danger is electrical shock, which can occur if the technician comes into contact with live electrical components or fails to follow proper safety procedures. The second danger is burns, which can result from touching hot surfaces or components within the printer. Both of these dangers can cause harm to the technician and should be avoided by taking necessary precautions during the servicing process.Rate this question:
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Mar 22, 2023Quiz Edited by
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Dec 27, 2009Quiz Created by
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