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單項(xiàng)選擇題

Computers on the network are frequently infected with viruses, malware, worms and Trojans.Which of the following should Mike, a technician, update automatically to prevent future problems?（）

A. Antivirus signatures
B. Antivirus engines
C. Malware engines
D. Virus encyclopedias

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多項(xiàng)選擇題

A printer is consistently printing random characters on every page. Which of the following should be done? （）(Select TWO).

A. Power cycle the printer
B. Replace the fuser
C. Check for paper jams
D. Clean the print drum
E. Check the printer driver

單項(xiàng)選擇題

A HDD is almost full and constantly reads and writes data. Which of the following tools may repair files on the HDD?（）

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