[单选题]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?
正确答案 ：B
The host switch port is assigned to the incorrect VLAN
解析：解析：Explanation:VirtualLANsbreakupbroadcastdomainsinalayer-twoswitchedinternetwork.IfahostisinadifferentVLANthenthenetworkservicesitneedstouse,thepacketsmustgothrougharouter.Ifroutingdoesnottakeplace,thePCwillbeunabletocommunicatewithanyotherdevicesnotinthesameVLAN.AnswerBisthebestanswerforthisquestion.IncorrectAnswers:A.ThePCisunabletocommunicatewithotherLANusers.Norouterneedstoevenbeinstalledforthistowork.C,E.TheMACaddressofthePCdoesnotneedtobeenteredmanuallyintotheswitch.TheswitchwilldynamicallylearnoftheMACaddressofthePC.D.TheSTPalgorithmdoesnotneedtohaveanyendhostinformationaddedinorderforittowork.
[单选题]当拓扑信息完成交换，相邻路由器具有相同的LSDB时，下列哪项OSPF邻居状态是希望得到的()
正确答案 ：B
FULL
[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]某台PC，能ping通路由器，但不能telnet到路由器，可能的原因是（）
正确答案 ：D
telnet密码未设置
[单选题]TCP23是（）协议端口号；UDP69是（）端口号；TCP80是（）端口号。
正确答案 ：C
TELNET TFTP HTTP
[单选题]下列路由协议中，属于链路状态路由协议的是（）
正确答案 ：D
OSPF
[单选题]通过路由器的“配置端口console”对路由器进行配置，应该使用的线缆为（）
正确答案 ：C
反转线缆
[单选题]OSI七层模型中，数据链路层的数据封装名称为（）
正确答案 ：B
帧
[单选题]Cisco IOS命令ip nat inside source static 10.1.1.5 172.35.16.5的作用是什么()
正确答案 ：D
为内部本地地址和内部全局地址创建一对一的映射关系
[多选题]The Ezonexam network administrator wants to ensure that only a single web server can connect to pot Fa0/1 on a catalyst switch. The server is plugged into the switch's Fast Eth. 0/1 port and the network administrator is about to bring the server online. What can the administrator do to ensure that only the MAC address of this server is allowed by switch port Fa0/1? (Choose two)
正确答案 ：BD
Configure the MAC address of the server as a static entry associated with port Fa0/1
Configure port security on Fa0/1 to reject traffic with a source MAC address other than that of the server
解析：解析：Explanation:
查看原题
