单项选择题
A customer states that it takes a while to refresh their display when multitasking and switching between windows, in Windows XP. Which of the following is the BEST way to shorten the delay and increase response time?（）
A. Tell the user to use Safe Mode.
B. Disable the Windows Firewall Service.
C. Turn off the System Restore.
D. Change to Performance Mode.
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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. -
单项选择题
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.
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单项选择题
Which of the following commands scans and verifies system protected files?（）
A.VERIFY
B.SFC
C.CHKDSK
D.CHKNTFS
