[单选题]哪个ACL可允许主机10.220.158.10访问web服务器192.168.3.244()

正确答案 ：D

access-list 101 permit tcp 10.220.158.10 0.0.0.0 host 192.168.3.224 eq 80

[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.

[单选题]When is a switched network that is running the Spanning Tree Protocol considered to be fully converged?

正确答案 ：D

when every operating switch port is in either the blocking or forwarding state

解析：解析：Explanation:

查看原题 点击获取本科目所有试题