單項(xiàng)選擇題

A technician is testing a power supply for correct output voltages at the HDD power connector.
Which of the following voltages should the technician expect for a correctly working power supply?（）

A.6V
B.9V
C.12V
D.24V

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單項(xiàng)選擇題

A customer reports that error messages occasionally appear and quickly disappear. Which of thefollowing is the BEST place for a technician to begin troubleshooting this issue?（）

A. Run a System Restore
B. Check Device Manager
C. Check the Event Logs
D. Check the System Information

單項(xiàng)選擇題

A user, Jill, is reporting her mouse is moving when Jill is not moving it, and the computer is running slower than normal. Which of the following is the FIRST action that Karen, a technician, should take?（）

A. Run chkdsk.
B. Run an antivirus program.
C. Replace the faulty mouse.
D. Remove any recently added hardware.