[单选题]哪一个命令可以设置路由器特权用户的“明文密码”（）

正确答案 ：A

enable password

[单选题]You need to perform. some initial configuration tasks on a new Ezonexam switch. What is the purpose of assigning an IP address to a switch?

正确答案 ：B

To allow remote management of the switch.

解析：解析：Explanation:Switchisalayer2deviceanddoesn'tusenetworklayerforpacketforwarding.TheIPaddressmaybeusedonlyforadministrativepurposessuchasTelnetaccessorfornetworkmanagementpurposes.

[单选题]OSPF在同一区域内，下列说法正确的是（）

正确答案 ：B

每台路由器的LSDB(链路状态数据库)都是相同的

[多选题]You need to describe the various types of flow control to your co-workers. Which of the following are types of flow control that can be used in a network? (Choose three)

正确答案 ：ABD

Congestion avoidance

Windowing

Buffering

[单选题]对交换机的描述，正确的是（）

正确答案 ：B

单广播域，多冲突域的设备

[单选题]哪个命令可以成功测试网络：()

正确答案 ：B

Routerping192.5.5.30

[单选题]OSI第二层数据封装完成后的名称是：()

正确答案 ：C

帧

[单选题]IP扩展访问列表的数字标示范围是多少（）。

正确答案 ：C

100-199

[单选题]The Ezonexam network administrator needs to a switch named VE1 to become the root bridge for a redundant path switched network. What can be done to ensure that VE1 will always assume the role as the root bridge?

正确答案 ：D

Configure the switch so that it has lower priority than other switches in the network

[单选题]What is the purpose of the spanning-tree algorithm in a switched LAN?

正确答案 ：C

To prevent switching loops in networks with redundant switched paths.

解析：解析：Explanation:STPisusedinLANswithredundantpathsorroutestopreventloopsinalayer2switchedorbridgedLAN.IncorrectAnswers:A,B:TheprimarypurposeofSTPistopreventloops,notformonitoringormanagementofswitchesorVLANs.D.VLANsareusedtosegmentaLANintomultiplecollisiondomains,buttheSTPprocessalonedoesnotdothis.E.Routersareusedtopreventroutingloopsatlayer3oftheOSImodel.STPoperatesatlayer2.

查看原题 点击获取本科目所有试题