题目内容

YouarethenetworkadministratorsettinguptheIPnetworkforanewbranchoffice.Youneedatleast5networkswith25hostseach.Youhavebeenallocateda/24network.Whichprefixlengthwillsatisfythegivenrequirements?（）

A. /24
B. /26
C. /27
D. /28

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Usershavestatedthatalltheirprintoutsfromanetworkedprinterconsistofrandomcharacters.Thetechnicianshould:（）

A. performavirusscan.
B. replacethefuser.
C. reinstalltheprinterdrivers.
D. reinstalltheprinterfirmware.

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Whichofthefollowingcommandswouldverifythehealthofthesectorsonaharddriveandrecoverdataondamagedsectors?（）

A. TRACERT
B. SFC
CHKDSK
D. NSLOOKUP

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Whichofthefollowingusesport110bydefault?（）

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

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WhichthreestatementsdescribetheTransmissionControlProtocol(TCP)?（）

A. TCPisatransportlayerprotocol.
B. TCPisfasterthantheUserDatagramProtocol(UDP).
C. TCPprovidesdeliverynotificationanderrorcheckingmechanisms.
D. TCPusesabesteffortdeliveryapproach.
E. TCPapplicationexamplesincludeHTTPandSMT

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YouarethenetworkadministratorsettinguptheIPnetworkforanewbranchoffice.Youneedatleast5networkswith25hostseach.Youhavebeenallocateda/24network.Whichprefixlengthwillsatisfythegivenrequirements?（）

A. /24 B. /26 C. /27 D. /28

Usershavestatedthatalltheirprintoutsfromanetworkedprinterconsistofrandomcharacters.Thetechnicianshould:（）

Whichofthefollowingcommandswouldverifythehealthofthesectorsonaharddriveandrecoverdataondamagedsectors?（）

Whichofthefollowingusesport110bydefault?（）

WhichthreestatementsdescribetheTransmissionControlProtocol(TCP)?（）

A. /24
B. /26
C. /27
D. /28