單項選擇題

A customer’s laptop display panel assembly had just been replaced. The customer notices that the wireless network adapter is enabled but detecting a weak signal. Which of the following is the MOST likely cause?（）

A. The wireless card needs to be replaced.
B. The antenna wires are not connected properly.
C. The wireless drivers need to be updated.
D. The display panel is defective.

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單項選擇題

Mike, a technician, is troubleshooting a printer issue. The print spooler for a local printer continues to fill up with new jobs and no jobs are being processed at the printer. Which of the following is MOST likely the cause?（）

A. The network connection is unavailable.
B. The printer is offline.
C. The user does not have the proper security permissions.
D. The print spooler is stopped.

單項選擇題

Which of the following commands scans and verifies system protected files?（）

A.VERIFY
B.SFC
C.CHKDSK
D.CHKNTFS