單項(xiàng)選擇題

Which of the following uses port 110 by default?（）

A.SMTP
B.IMAP
C.POP3
D.SNMP

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單項(xiàng)選擇題

Which of the following commands would verify the health of the sectors on a hard drive andrecover data on damaged sectors?（）

A.TRACERT
B.SFC
C.CHKDSK
D.NSLOOKUP

單項(xiàng)選擇題

Users have stated that all their printouts from a networked printer consist of random characters.The technician should:（）

A. perform a virus scan.
B. replace the fuser.
C. reinstall the printer drivers.
D. reinstall the printer firmware.

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