1. [单选题]查看E0端口配置信息的命令是:()
A. show access-list
B. show ip route
C. show version
D. show interfacee0
2. [单选题]A Ezonexam PC has the IP address 172.16.209.10 /22. What is the subnet of this address?
A. 172.16.42.0
B. 172.16.107.0
C. 172.16.208.0
D. 172.16.252.0
E. 172.16.254.0
3. [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
A. What is the purpose of this command?
B. It is used to restart the router.
C. It is used to bypass the configuration in NVRAM.
D. It is used to enter ROM Monitor mode.
E. It is used to view the lost password.
F. It is used to save the changes to the configuration.
4. [单选题]下列对RIP的配置中,合法的命令是()
A. router rip 100 network 10.12.0.0
B. router rip 100 network 10.0.0.0
C. router rip network 10.12.0.0
D. router rip 100 network 10.0.0.0
5. [单选题]下列路由协议中,属于链路状态路由协议的是()
A. RIP
B. EIGRP
C. IGRP
D. OSPF
6. [单选题]路由器“路由模式”的提示符号是()
B. (config)
C. (config-if)
D. (config-router)
7. [单选题]IP地址为:192.168.50.70,掩码为:255.255.255.248,则该IP地址所在子网的广播地址为()
A. 192.168.50.32
B. 192.168.80.64
C. 192.168.50.96
D. 192.168.50.71
8. [单选题]为了阻止交换机环路,交换机上所采用的技术为()
A. 水平分割
B. 生成树协议
C. 触发更新
D. 地址学习
9. [多选题]在配置帧中继子接口时,在物理接口上应该配置的内容是:()
A. 配置IP地址
B. 封装帧中继协议(fr protocol)
C. 指定子接口类型(interface state type)
D. 设定子接口
E. 配置密码
10. [单选题]“ipaccess-group”命令在接口上缺省的应用方向是什么"()。
A. in
B. 具体取决于接口应用哪个访问控制列表
C. out
D. 无缺省值