[单选题]An administrator issues the show ip interface s0/0 command and the output displays that interface Serial0/0 is up, line protocol is up.What does "line protocol is up" specifically indicate about the interface?
正确答案 :C
Keepalives are being received on the interface.
解析:解析:Explanation:
[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]下列哪一设备工作时,要用到OSI的七个层(一层到七层)()
正确答案 :ABC
PC
网管机
WEB服务器
解析:ABC
[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]“InsideGlobal”地址在NAT配置里表示的是什么()
正确答案 :B
一个注册的地址是表示一个内部的主机到外部网络
[单选题]You are a senior network administrator at Ezonexam, and while performing the password recovery procedure on your 2500 series Cisco router, you type in the following command:o/r 0x2142
正确答案 :C
It is used to bypass the configuration in NVRAM.
解析:解析:Explanation:
[单选题]交换机转发数据到目的地依靠()
正确答案 :B
MAC地址表
[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]While troubleshooting a connectivity problem on the network, you issue the ping command from your PC command prompt, but the output shows "request times out."At which OSI layer is this problem associated with?
正确答案 :E
The network layer
解析:解析:Explanation:
[单选题]查看路由表的命令是:()
正确答案 :C
show ip route
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