[单选题]对于使用链路状态路由协议的路由器如何选择最佳路线到达子网,下列哪项是正确的()
正确答案 :B
通过针对链路状态数据库中的信息运行SPF算法,路由器会计算出最佳路由
[单选题]路由器的配置文件startup-config存放在()里
正确答案 :D
NVRAM
[单选题]RIP路由协议认为“网络不可到达”的跳数是:()
正确答案 :B
16
[单选题]交换机上VLAN的功能描述中,正确的是()
正确答案 :B
可以减少广播对网络性能的影响
[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
[多选题]默认情况下,IGRP衡量路径好坏时,考虑的因素为()
正确答案 :AD
带宽
延时
解析:AD
[多选题]How could the Ezonexam corporation benefit from using VLANs on their network?(Select three answer choices.)
正确答案 :AE
VLANs allow access to network services based on department, not physical location.
VLANs establish segmented broadcast domains in switched networks.
解析:A,E,F 解析:Explanation:
[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)
正确答案 :CDE
92.11.178.93
134.178.18.56
192.168.16.87
解析:C,D,E 解析:Explanation:
[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.
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