单项选择题

A technician notices a machine’s performance has degraded. The machine has constant errorswhen trying to read data from the drive. Which of the following should be used to repair the disk errors?（）

A.DEFRAG
B.MSCONFIG
C.EDIT
D.CHKDSK

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单项选择题
Which of the following tools is used to consolidate files and folders on a local drive?（）

A. CHKDSK
B. DEFRAG
C. DISK CLEANUP
D. Computer Management
单项选择题
A user states that a networked printer is not working today, but yesterday the printer worked fine. The technician checks the user’s print queue and sees several jobs in the queue. The queue is flushed, restarted, and the user is still having the same issue. Which of the following should be verified NEXT on the printer? （）

A. That the WEP key is disabled
B. That the fuser is not faulty
C. That the IP is static
D. That the buffer is not overloaded
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