CompTIA认证考试

The user turns on the computer and hears a popping sound and detects a burning smell. Thesystem will not power on. Which of the following is the MOST likely problem?（）A、Power supply has blown.B、CPU fan is faulty.C、Motherboard has overheated and shutdown.D

题目

The user turns on the computer and hears a popping sound and detects a burning smell. Thesystem will not power on. Which of the following is the MOST likely problem?（）

  • A、Power supply has blown.
  • B、CPU fan is faulty.
  • C、Motherboard has overheated and shutdown.
  • D、UPS has been tripped.
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相似问题和答案

第1题：

An administrator has a malfunctioning uninterruptible power supply (UPS). Which of the following is the MOST likely cause of the problem?()

A. Battery needs to be replaced

B. Light switch is turned off

C. Smart cable is disconnected

D. UPS needs a firmware update


参考答案：A

第2题：

When a grounding strap is not available, a technician can ground by touching the computer’s:（）

  • A、power supply.
  • B、CPU fan.
  • C、memory chips.
  • D、motherboard.

正确答案:A

第3题：

A military member has just returned to the United States from Europe and reports their personaldesktop computer does not work. Which of the following is the MOST logical solution to thisproblem?()

A. The computer is unable to work in the US because of EU licensing arrangements

B. The power supply needs to be replaced with one rated for 110 watts

C. The power supply needs a power inverter to handle the change in cycles

D. The power supply voltage needs to be switched to 110 from 220


参考答案：D

第4题：

A laptop operates on battery power when connected with an AC adapter. Once the battery discharges, the computer turns off and will not turn back on. Which of the following are the MOST likely causes of the laptop issue? （）(Select TWO).

  • A、The LCD monitor’s power inverter does not function properly.
  • B、The operating system’s power settings prevent the battery from charging.
  • C、The battery is not compatible with the laptop.
  • D、The internal power connection on the motherboard is faulty.
  • E、The power adapter is not working.

正确答案:D,E

第5题：

An end user reports that their computer is not performing as fast as it used to and it shuts down unexpectedly. Which of the following is the MOST likely cause?（）

  • A、Network data cables are damaged.
  • B、Memory has become unseated.
  • C、The user has defragmented the hard drive.
  • D、Processor cooling fan is not functioning.

正确答案:D

第6题：

A remote user cannot connect to the office via VPN. The user has established Internet connectivity.Which of the following is the MOST likely next step in troubleshooting?()

A.Power cycle the VPN concentrator at the office.

B.Determine if the VPN service is running at the office.

C.Reinstall the VPN client at the remote computer.

D.Determine if the user has the correct VPN address and password.


参考答案：D

第7题：

A technician receives a computer for repair and observes that the fan on the power supply is not moving. Which of the following should the technician do？ （）

  • A、Move the power supply voltage switch to 220 volts.
  • B、Add an additional fan to help cool the computer.
  • C、Replace the cable that attaches the power supply to the motherboard.
  • D、Replace the power supply.

正确答案:D

第8题：

Which of the following factors is the MOST likely cause of a power supply fan failure?()

A. Extreme temperature variances

B. Extreme humidity variances

C. Power stability fluctuations

D. Excessive dust accumulation


参考答案：D

第9题：

A user is reporting that their computer is making strange noises and randomly powers off. Which of the following tools would MOST likely be used to troubleshoot this problem?（）

  • A、POST diagnostic card
  • B、Power supply tester
  • C、Loop back plug
  • D、Cable tester

正确答案:B

第10题：

Which of the following is the MOST likely to cause a server power supply fan to fail but allows the power supply to still be functional？（）

  • A、Dust
  • B、Power Surge
  • C、Excessive humidity
  • D、High temperatures

正确答案:A

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