正确答案: B

The host switch port is assigned to the incorrect VLAN

题目：After connecting a PC to an available port on a switch, you find that the PC can not access any of the resources on the LAN. No other PC's connected to the switch appear to be having any issues. What is the most likely cause for this problem?

解析：解析：Explanation:VirtualLANsbreakupbroadcastdomainsinalayer-twoswitchedinternetwork.IfahostisinadifferentVLANthenthenetworkservicesitneedstouse,thepacketsmustgothrougharouter.Ifroutingdoesnottakeplace,thePCwillbeunabletocommunicatewithanyotherdevicesnotinthesameVLAN.AnswerBisthebestanswerforthisquestion.IncorrectAnswers:A.ThePCisunabletocommunicatewithotherLANusers.Norouterneedstoevenbeinstalledforthistowork.C,E.TheMACaddressofthePCdoesnotneedtobeenteredmanuallyintotheswitch.TheswitchwilldynamicallylearnoftheMACaddressofthePC.D.TheSTPalgorithmdoesnotneedtohaveanyendhostinformationaddedinorderforittowork.

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举一反三的答案和解析：

[单选题]网关的功能（）

不同网段通信

[多选题]Why is full-duplex Ethernet superior to its single-duplex counterpart? (Select two answer choices.)

It operates without collisions

It provides faster data transfer

解析：解析：Explanation:

[多选题]请选出交换机处理帧的三种模式：()

直通模式

存储转发模式

阻塞模式

解析：ABE

[单选题]路由器“路由模式”的提示符号是（）

(config-router)

[单选题]OSI七层模型中，物理层的数据封装名称为（）

比特

[单选题]路由器上激活端口的命令是（）

no shutdown