正确答案: BD

Half-duplex Ethernet uses a loopback circuit to detect collisions. Full-duplex Ethernet makes use of two pairs of wires for data.

题目：Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet? (Select two answer choices.)

解析：解析：Explanation:

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[单选题]常见的LSA有几种类型()

6

[单选题]当拓扑信息完成交换，相邻路由器具有相同的LSDB时，下列哪项OSPF邻居状态是希望得到的()

FULL

[单选题]The corporate head office of Ezonexam has a teleconferencing system that uses VOIP (voice over IP) technology. This system uses UDP as the transport for the data transmissions. If these UDP datagrams arrive at their destination out of sequence, what will happen?

UDP will pass the information in the datagrams up to the next OSI layer in the order that they arrive.

解析：解析：Explanation:

[单选题]100baseT的速率是()Mbit/s

100

[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.

[多选题]Using a subnet mask of 255.255.255.224, which of the IP addresses below can you assign to the hosts on this subnet? (Select all that apply)

92.11.178.93

134.178.18.56

192.168.16.87

解析：C,D,E 解析：Explanation:

[单选题]关于PPP和HDLC的说法中，错误的是（）

在配置ISDN时，广域网协议不能封装成PPP，但可以封装成HDLC

[单选题]哪个命令可以成功测试网络：()

Routerping192.5.5.30