Practice Quiz

CompTIA 220-801 Certification Practice Test - Question List

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6. Sarah is experiencing a strange problem with her computer. The computer shuts down unexpectedly every half hour. Which of the following could be the most probable cause of the issue?
  1. Malfunctioning processor cooling fan
  2. Faulty RAM
  3. Faulty hard drive
  4. Dead CMOS battery
See answer
7. David is using a laptop computer with a 2.4 GHz processor. However he notices that the processor is operating at 1.5GHz only. Which of the following could be the possible explanation?
  1. The processor pins are bent
  2. The processor is not seated properly
  3. The processor is being throttled
  4. The processor is over-clocked
See answer
8.

Jane is trying to connect a flash drive to her friend’s desktop computer. The drive doesn’t seem to work in any of the USB ports. However, the drive works on her own laptop. Which of the following could be the most likely cause of the issue?

  1. The drive works only on laptop computers
  2. The processor is faulty
  3. The drive is faulty
  4. USB is turned off in the desktop BIOS
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9. David notices that his computer’s CPU utilization is often above 75%. Which of the following could he do to improve the speed of the computer and reduce the CPU utilization percentage?
  1. Increase the RAM
  2. Upgrade the CPU
  3. Upgrade the hard drive
  4. Upgrade the network adapter
See answer
10. When a user boots his computer, the monitor goes black. After investigating, you find out that he has set the refresh rate too high. How can you fix this problem?
  1. Reboot the computer
  2. Press F1 while booting
  3. Boot in VGA mode and change the refresh rate
  4. Delete the boot.ini file
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