[多选题]You are bringing up a new Ezonexam switch, and wish to connect it via a trunk to another switch from a different vendor, which uses the IEEE standard for the trunking method. When setting the encapsulation type on the trunk, what should you configure on the Cisco switch?
正确答案 :ABCDE
Switch(config) switchport trunk encapsulation isl
Switch(config) switchport trunk encapsulation ietf
Switch(config-if) switchport trunk encapsulation isl
Switch(config-if) switchport trunk encapsulation ietf
Switch(config-if) switchport trunk encapsulation dot1q
解析:解析:Explanation:
[单选题]为了连接“帧中继”线路,网络中的路由器需要提供的端口类型为()
正确答案 :B
Serial
[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]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]把访问权限表应用到路由器端口的命令是:()
正确答案 :B
ip access-group 101 out
[单选题]路由器下,由一般用户模式进入特权用户模式的命令是:()
正确答案 :A
enable
[单选题]介质工作在OSI的哪一层()
正确答案 :A
物理层
[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]标准访问控制列表的数字标识范围是()。
正确答案 :B
1-99
[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.
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