Saturday, June 4, 2011

Chapter 11 Exam - IT Essentials: PC Hardware and Software (Version 4.1)

1
What is the recommended procedure for cleaning a computer fan assembly?

  • Hold the fan blades in place and clean them with compressed air.

2
Which two ports are used to connect external media readers to a computer? (Choose two.)
  • FireWire
  • USB
3
When a technician is servicing a laser printer, which two dangers need to be avoided? (Choose two.)

  • burns
  • electrical shock

4
How should a floppy disk drive be cleaned?

  • Use a drive cleaning kit.

5
What manufacturing process makes a multicore processor operate faster than a single-core processor on the same motherboard?

  • The multicore processors are designed with multiple processors integrated into the same circuit.
   
6
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?

  • Remove all dust and debris from the computer using a can of compressed air.
   
7
Why should you use an antistatic mat when working on the internal components of a computer?

  • reduce the chance of computer components being damaged by ESD
   
8
A customer is interested in video editing and has purchased a FireWire hard drive for storage of videos. However, no FireWire ports are available on the motherboard. What type of adapter will the customer be interested in obtaining?

  • I/O
   
9
A technician is concerned that a computer is overheating. The computer reboots without warning. What can the technician do to improve the circulation of air through the computer?

  • Add one or more case fans.

10
Under which circumstance would the use of an antistatic wrist strap be discouraged?

  • when working with high voltage circuits
   
11
What is the recommended way to clean an optical drive?

  • Use compressed air and lint-free cotton swabs.
   
12
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 driver has passed Microsoft's quality lab test and prevents a system from being compromised.

13
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?

  • 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.
   
14
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?

  • SCSI
   
15
Why should a technician avoid using magnetized tools when repairing a computer?

  • They can generate ESD that can affect the CPU.

16
A technician needs to retrieve a DVD from an optical drive that is jammed and fails to open. What is the best method the technician could use to retrieve the DVD?

  • Insert a pin in the small hole next to the eject button.
    
17
When a computer boots, the hard disk is not recognized. What are two possible causes of the problem? (Choose two.)

  • The power cable is not attached properly to the drive.
  • The data cable is loose or disconnected.
   
18
What is a critical step when installing a second PATA hard drive in a computer?

  • Ensure that pin one of the PATA data cable is correctly aligned with the connector.

19
Which method of disk writing does RAID 5 use?

  • parity
   
20
A technician begins gathering data from a customer by asking open-ended questions. Which question is a proper open-ended question?

  • What happens when the PC is powered on?

25 komentar:

Anonymous said...

7 is wrong.

It's because magnetized tools can cause inductive current and may harm internal components..., CPU included

Anonymous said...
This comment has been removed by a blog administrator.
Anonymous said...

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Anonymous said...

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Anonymous said...

100% :-) Thank you so much I love you!! and ALL answers in this exam are right! :)

Anonymous said...

great, 95% thank alot

Anonymous said...

is 7 correct or no?

Anonymous said...

Educate me for a better tomorrow.If you loose me you will regret.

Anonymous said...

can i eat you hand?

Anonymous said...

I love you! 92.5% here! Keep post bro!

Anonymous said...

thank 97% .. one question is bad.

Anonymous said...

thankz for answer,. I get 100%

Uchiha Syaeful said...

thank yes>>>.<<<<<

resquew said...

9ice work bro...97% keep it up

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Anonymous said...

Is 7 right or not? I want an A. I'm aiming for the highest average in my class.

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Anonymous said...

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Anonymous said...

thank's great 95% ,,yeah :)

Anonymous said...

i got 95% yeh fuck

Anonymous said...

7 is wrong

Anonymous said...

whats correct answer to number 7

Anonymous said...

only the 15th one is wrong in your blog...
the answer is "They can induce current which can damage internal computer components."
cool man... 100% I got...

Anonymous said...

95% nice, thx

kath :) said...

thank you!

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