题目内容

WhichofthefollowingswitchesinWindowscanbeusedtopingahostuntilstopped?()

A. -l
B. -a
C. -t
D. -f

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Which of the following is a connectionless transport layer protocol?()

A. TCP
B. HTTP
C. SMTP
D. UDP

WhenattemptingtobootaPC,thePOSTprocesscompleteswithouterror.ThePCthendisplays,‘nonsystemdiskordiskerror’.WhichofthefollowingwouldMOSTlikelycausetheissue?()

A. Out-of-dateBIOS
B. Invalidmotherboardjumpersettings
C. Failingpowersupply
D. Floppydiskinthedrive

Duringsystemstartup,manyapplicationsarestartingthatarenotneeded.Whichofthefollowingcanbeusedtoevaluateallstartupapplications?()

A. ComputerManagementUtility
B. Add/RemovePrograms
C. Autoexec.batfile
D. MSCONFIG

Whichofthefollowingtoolscanbeusedtosecurelyconnecttoaremotesystem?()

A. RCMD
B. SSH
C. TELNET
D. HTTP

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