正确答案: ABC
PC 网管机 WEB服务器
题目:下列哪一设备工作时,要用到OSI的七个层(一层到七层)()
解析:ABC
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举一反三的答案和解析:
[单选题]Study the Exhibit below carefully:London#show vtp
Forwards information about VTP configuration.
解析:解析:Explanation:FromtheoutputthisswitchisoperatingmerelyasVTPclient,soitbasicallydoesastheVTPserversays,andpassesoninformationaboutVTPconfigurationtothenextswitchinline.IncorrectAnswers:A.Thisisincorrectbecausethefunctionisredundant.B.ThisincorrectbecausetheswitchmustbeinserverortransparentmodetocreateandchangeVLANs.D.ThisisincorrectbecauseifVTPwouldbedisabled,itwouldn'tappearonthecommandoutput.E.Ifthisweretrue,theVTPconfigurationinformationwouldnotbedisplayedafterbeingpoweredon.
[单选题]下面有关交换机的描述中,正确的是()
交换机独占带宽
[单选题]帧中继环境下,为了区分虚电路,应该使用的地址是()
DLCI