单项选择题
Which of the following uses port 110 by default?（）
A.SMTP
B.IMAP
C.POP3
D.SNMP
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相关考题
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单项选择题
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 -
单项选择题
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. -
单项选择题
A user has just installed an application that is causing system instability and lock-ups and is not allowing a clean uninstall. To resolve this issue, the technician should:（）
A. power cycle the system completely.
B. run an on-demand virus scan.
C. perform a system restore.
D. check the installation event logs
