CompTIA A+ (Desktop) mcq questions with answer – Set 20

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• Total Number Of Questions : 10
• Passing Marks : 7
• Each Question Carry 1 Mark, No Negative Marking.
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#1. Your manager in the IT department has asked you why you should be performing regular preventive maintenance. Which of the following is not a reason to implement a preventive maintenance schedule?

Reduce office temperature

Reduce office temperature

Improve performance

Improve performance

Protect data

Protect data

Improve productivity

Improve productivity

#2. There has been a lack of adherence to IT maintenance plans. Which two items will help ensure that your preventive maintenance plans are followed?

Select all that apply:

Filing completed checklists

Filing completed checklists

Keeping the number of tasks limited

Keeping the number of tasks limited

Automating tasks

Automating tasks

Purchasing colored index tabs for files

Purchasing colored index tabs for files

#3. A customer has asked what he can do to better maintain his computer’s hard drive. What tools will help with hard drive maintenance? (Choose two)

Select all that apply:

defrag.exe

defrag.exe

fdisk.exe

fdisk.exe

chkdsk.exe

chkdsk.exe

mem.exe

mem.exe

#4. You are servicing a server in a server room. The server room has humidity controls and has been set to low relative humidity. What is one of the problems caused by low relative humidity?

EMI

EMI

PKI

PKI

ESD

ESD

TCP

TCP

#5. You are working on a server in your company’s server room. These servers run 24/7. Which of the following can become an issue if you keep your computer running all the time?

Thermal expansion

Thermal expansion

Wear-out

Wear-out

Chip creep

Chip creep

EMI

EMI

#6. You are working with your archive team who are responsible for proper storage and maintenance of archive media, which includes tapes and DVD media. What factors affect the storage life of computer media? (Choose two)

Select all that apply:

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Media length

Media length

Age of facility

Age of facility

Temperature

Temperature

Humidity

Humidity

#7. Which motherboard component is responsible for charging the CMOS RAM so that CMOS can maintain its data?

Battery

Battery

BIOS chip

BIOS chip

CMOS chip

CMOS chip

Power supply

Power supply

#8. PCIe expansion cards are made up of multiple lanes labeled x1, x8, or x16. What is the transfer rate of each lane?

480 MBps

480 MBps

250 MBps

250 MBps

1 GBps

1 GBps

12 MBps

12 MBps

#9. Which bus architecture supports 32-bit/64-bit cards and transfers information at 33 MHz?

ISA

ISA

EISA

EISA

AGP

AGP

PCI

PCI

#10. You are a consultant and have been asked by your customer what the function of the North Bridge chip is. Which of the following would you say to the customer?

The North Bridge chip controls communication from the processor to the USB.

The North Bridge chip controls communication from the processor to the USB.

The North Bridge chip controls communication from the processor to faster technologies such as memory, AGP, and PCIe.

The North Bridge chip controls communication from the processor to faster technologies such as memory, AGP, and PCIe.

The North Bridge chip controls communication from the processor to the PCI.

The North Bridge chip controls communication from the processor to the PCI.

The North Bridge chip controls communication from the processor to the IDE drive.

The North Bridge chip controls communication from the processor to the IDE drive.

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