单项选择题

Malware is removed and a computer is rebooted. Later, the malware is found on the computeragain. Which of the following would permanently solve this problem?（）

A. Login using a different account
B. Install an Internet firewall
C. Install an email spam filter
D. Go back to a previous restore point

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单项选择题

A floppy drive is replaced in a computer and now when the computer is turned on the floppy drive light is constantly lit. Which of the following is the MOST likely cause?（）

A. The power supply has failed.
B. The drive cable is connected backwards.
C. The floppy drive has failed.
D. The proper drivers have not been loaded.

单项选择题

A mirrored set is another name for which of the following?（）

A.RAID 0
B.RAID 1
C.RAID 3
D.RAID 5

单项选择题

A laser printer keeps printing out crumpled pages from the third tray. Which of the following is the MOST likely explanation?（）

A. The pickup rollers need to be replaced.
B. The paper is too wide for the tray.
C. The toner cartridge is leaking.
D. The pickup assembly is missing.