CISCO IT Essentials Chapter 11
- 1.
A technician suspects that a hard drive is beginning to fail. Which two conditions would support 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 two conditions that would support the suspicion of a failing hard drive are: the hard drive is making unusual noises, and the hard drive has a gradual increase in the number of bad sectors. Unusual noises can indicate mechanical issues within the hard drive, such as grinding or clicking sounds. A gradual increase in the number of bad sectors suggests that the storage medium is deteriorating, which can lead to data corruption and loss.Rate this question:
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- 2.
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 drive cleaning kit should be used to clean a floppy disk drive. This kit is specifically designed for cleaning the delicate components of the drive without causing any damage. It usually includes cleaning solutions, cleaning pads, and other tools that can effectively remove dust, dirt, and debris from the drive's read/write heads and other parts. Using a vacuum cleaner or spraying a cleaner directly into the drive can potentially cause static electricity or liquid damage, which can harm the drive's functionality. Removing heads and cleaning with a detergent is not recommended as it requires disassembling the drive and can lead to further damage if not done correctly.Rate this question:
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- 3.
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 because compressed air is an effective tool for cleaning computer components without causing any damage. It can blow away dust and debris from hard-to-reach areas, such as between the keys of the keyboard or inside the vents of the computer. Using a can of compressed air ensures that the computer is thoroughly cleaned and prevents any potential damage that could be caused by using other cleaning methods.Rate this question:
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- 4.
Which type of hard drive cable connects drives in a daisy chain series and requires manual termination at each end of the daisy chain to prevent data corruption?
- A.
PATA
- B.
SATA
- C.
SCSI
- D.
USB
Correct Answer
C. SCSIExplanation
SCSI (Small Computer System Interface) is a type of hard drive cable that connects drives in a daisy chain series. It requires manual termination at each end of the daisy chain to prevent data corruption. SCSI allows multiple devices to be connected to a single SCSI controller, and each device must be terminated properly to avoid signal reflections and data errors. This termination process involves setting jumpers or switches on the SCSI devices to indicate their position in the daisy chain and enable proper communication.Rate this question:
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- 5.
A technician is helping a client select additional RAM for a computer. Which three items should 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 memory must be as fast as the cache found in the CPU.
- F.
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.
F. The speed of the new memory must be the same or faster than the existing memory.Explanation
When updating RAM, three items should be considered. Firstly, the memory must be compatible with the motherboard to ensure proper installation and functionality. Secondly, the new memory must be the same type as the memory already present to avoid compatibility issues. Lastly, the speed of the new memory must be the same or faster than the existing memory to ensure optimal performance.Rate this question:
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- 6.
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 back in. This ensures that the connection is secure and eliminates any potential issues with loose connections. By physically disconnecting and reconnecting the cable, it provides a guarantee that the cable is properly plugged in and reduces the chances of any intermittent function.Rate this question:
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- 7.
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 would be 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. -
- 8.
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 successfully boot the computer into Safe Mode, which suggests that there is an issue with the computer's hard drive. The fact that the computer was successfully booted using a Windows boot disk further supports this explanation, as it implies that the problem lies specifically with the hard drive rather than other components such as drivers, memory, or the BIOS.Rate this question:
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- 9.
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 electrical shock and burns. Laser printers contain high-voltage components that can pose a risk of electrical shock if mishandled. Additionally, laser printers use high temperatures to fuse toner onto paper, so technicians must avoid touching hot surfaces to prevent burns. Mercury poisoning, chromium ingestion, and lead poisoning are not directly associated with the dangers of servicing a laser printer.Rate this question:
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- 10.
While troubleshooting a computer, a technician notices that the computer will not boot normally 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 problem is a driver issue. When a computer is able to boot into Safe Mode but not normally, it suggests that there may be a problem with a driver that is causing the normal boot process to fail. Safe Mode loads only essential drivers and services, bypassing any non-essential or problematic drivers. By booting into Safe Mode successfully, it indicates that the hardware components like the hard drive and video card are functioning properly, narrowing down the cause to a driver.Rate this question:
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- 11.
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
Camera and MIDI interface are considered input devices because they allow users to input data into a computer system. A camera captures visual data, such as images or videos, which can be stored or processed by the computer. A MIDI interface allows users to connect musical instruments or controllers to a computer, enabling the input of musical data for recording or playback purposes. Printer, projector, and speaker are output devices as they are used to display or produce output from the computer system.Rate this question:
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- 12.
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 the technician has already determined that the power supply is not supplying power to the hard drives, indicating a faulty power supply. Attempting to repair it may not be successful, so it is best to replace it to ensure proper power supply to the system. Additionally, replacing it with a power supply of equal or greater wattage ensures that the system receives enough power to function properly.Rate this question:
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- 13.
Why should you use an antistatic mat when working on the internal components of a computer?
- 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, tools, or work surface, and can cause damage to sensitive computer components. The antistatic mat provides a conductive surface that helps to dissipate any static electricity, preventing it from being discharged onto the computer components and reducing the risk of damage.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 two 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 versionExplanation
The first step should be to reseat the processor. This means removing it from the motherboard and then reinstalling it properly. Sometimes, the processor may not be seated correctly, causing the system to not start. Reseating it ensures that it is properly connected.
The second step should be to verify CPU compatibility with the motherboard and BIOS version. It is possible that the new processor is not compatible with the current motherboard or the BIOS version needs to be updated to support the new processor. Verifying this compatibility will help identify if any further actions need to be taken.Rate this question:
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- 15.
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 chipset and socket type. The chipset determines the CPU's compatibility with the motherboard, as it controls the communication between the CPU and other components. The socket type refers to the physical design of the CPU socket on the motherboard, and it must match the CPU's socket type for proper installation and functionality. The 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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- 16.
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
When cleaning dust and debris from a PC using compressed air, the technician should hold the can upright to avoid fluid leakage. Holding the can upside down can cause the compressed air to spray out as a liquid, potentially damaging the components of the PC. By holding the can upright, the technician ensures that only air is being released and no liquid is being sprayed onto the PC. This helps to prevent any potential damage or short-circuiting that could occur if fluid were to come into contact with the PC's internal components.Rate this question:
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- 17.
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
- F.
To increase the CPU speed
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. First, it can be used to store the system swap file, which is a portion of the hard drive that the computer uses as virtual memory when it runs out of RAM. This can help improve the performance of the system. Second, it can be used to implement RAID (Redundant Array of Independent Disks) and provide fault tolerance. RAID allows data to be stored across multiple drives, providing redundancy and protecting against data loss in case of a drive failure. Lastly, an additional hard drive can be used to install a second operating system, allowing the user to have multiple operating systems on the same computer.Rate this question:
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- 18.
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 any relevant information about the PC's behavior upon powering on. It does not limit the customer's response to a simple yes or no, but encourages them to provide a more comprehensive explanation.Rate this question:
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- 19.
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
The recommended way to clean an optical drive is to use compressed air and lint-free cotton swabs. This method helps to remove dust and debris from the drive without causing any damage. Compressed air can be used to blow away any loose particles, while lint-free cotton swabs can be used to gently clean the lens and other delicate components. Using cotton swabs and denatured alcohol may cause damage to the drive, and using a vacuum cleaner or glass cleaner is not suitable for cleaning optical drives.Rate this question:
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- 20.
Which three peripherals would be considered output devices? (Choose three.)
- A.
Camera
- B.
Display monitor
- C.
Keyboard
- D.
Microphone
- E.
Projector
- F.
Speaker
Correct Answer(s)
B. Display monitor
E. Projector
F. SpeakerExplanation
The three peripherals that would be considered output devices are the display monitor, projector, and speaker. These devices are responsible for providing information or data to the user in a visual or auditory form. The display monitor shows visual output such as images and text, the projector can display images or videos on a larger screen or surface, and the speaker produces sound output for audio playback.Rate this question:
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Mar 19, 2023Quiz Edited by
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Oct 04, 2012Quiz Created by
Pstam424512
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