• [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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