多项选择题
Which of the following are forms of gigabit Ethernet that require the use of fiber optic cables？（）
A.1000Base-CX
B.1000Base-TX
C.1000Base-SX
D.10Base-T
E.1000Base-T
F.1000Base-LX
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相关考题
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单项选择题
WhichofthefollowingnetworkdevicesoperatesonLayer1oftheOSImodel？（）
A.Hub
B.Switch
C.Router
D.Bridge -
单项选择题
Anetworktechnicianisinstallingaseriesofthreeaccesspointstocovertheentirewingofabuilding.Eachaccesspointhasawiredconnectionand802.11gisbeingusedforthewirelesstransmission.Whichofthefollowingchannelsshouldbeusedfortheaccesspoints？（）
A.Channels 1-6-11
B.Channels 1-3-5
C.Channels 7-11-1
D.Channels 2-4-6 -
单项选择题
Atechniciannoticesthatwhentryingtopingaworkstationbynetworknametheworkstationdoesnotreplybackoverthenetwork.TheworkstationispartofthedomainandisabletogettotheInternet.Whichofthefollowingisthecauseoftheproblem？（）
A.Faulty cable on the workstation
B.Wrong host name on the workstation
C.Wrong WINS on the workstation
D.Incorrect IP address assigned to the workstation
