[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()
正确答案 :B
FULL
[单选题]PPP工作在OSI的哪一层()
正确答案 :B
数据链路层
[单选题]备份路由器IOS的命令是:()
正确答案 :A
copy flash tftp
[单选题]OSI七层模型中,“段”是哪一层数据封装的名称()
正确答案 :D
传输层
[单选题]某台PC,能ping通路由器,但不能telnet到路由器,可能的原因是()
正确答案 :D
telnet密码未设置
[多选题]网络中经常使用DDN服务,请选出DDN的优点()
正确答案 :ADE
传输质量高
使用虚电路
专用线路
解析:ADE
[多选题]Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet? (Select two answer choices.)
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.
解析:解析:Explanation:
[单选题]Ezonexam has implemented the use of the Virtual Trunking Protocol (VTP). Which statement below accurately describes a benefit of doing this?
正确答案 :B
VTP will allow switches to share VLAN configuration information
[多选题]Which of the following steps are necessary in order to add a new VLAN to the Ezonexam switched network? (Select all that apply)
正确答案 :ABD
Create the VLAN.
Name the VLAN.
Add the desired ports to the new VLAN.
解析:解析:Explanation:
[多选题]You need to configure a default route on a Ezonexam router. Which command will configure a default route on a router?
正确答案 :ABCD
VE1(config) ip route 0.0.0.0 10.1.1.0 10.1.1.1
VE1(config) ip default-route 10.1.1.0
VE1(config) ip default-gateway 10.1.1.0
VE1(config) ip route 0.0.0.0 0.0.0.0 10.1.1.1
解析:解析:Explanation:Thecommand"IProute0.0.0.00.0.0.0quot;$commandisusedtoconfigureadefaultrouteonarouter.Inthiscase,adefaultroutewithanexthopIPaddressof10.1.1.1wasconfigured.IncorrectAnswers:A.Thiswillbeaninvalidroute,sincethe"10.1.1.0"valuewillspecifythenetworkmask,whichinthiscaseisinvalid.B,C.Thesecommandsareinvalid.Thecommand"ipdefault-network"couldbeused,butnot"ipdefault-route"or"ipdefault-gateway".IPdefault-gatewayisusedonswitches,notrouters.
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