【导读】
不凡考网发布2022思科认证模拟试卷220相关信息，更多2022思科认证模拟试卷220的相关资讯请访问不凡考网计算机类考试频道。
1. [单选题]哪一个命令可以设置路由器特权用户的“明文密码”（）
A. enable password
B. password
C. enable secret
D. secret
2. [多选题]With regard to Ethernet media access methods, which of the following are true?(Choose all that apply.)
A. A device waits for an electronic signal before transmitting.
B. A device listens and waits until the media is not busy before transmitting.
C. All devices on an Ethernet segment see data that passes on the network medium.
D. Only the sender and the receiver devices see data that passes on the network medium.
E. Ethernet networks allow you to configured devises with higher transmission priority.
3. [单选题]关于帧中继(frame relay)的说法，正确的是（）
A. 速率最大为1Mbit/s
B. 不提供差错校验功能
C. 可以偷占带宽
D. 数据传输质量高于DDN
4. [单选题]You wish to segment your LAN into multiple broadcast domains. Which technology method should you implement in order to do this?
A. Transparent bridging
B. Cut-through switching
C. Fragment-free switches
D. Virtual LANs
E. Store-and-forward switching
F. F. None of the above
5. [单选题]After working all night and successfully configuring a Cisco router for the Ezonexam network you save your changes on the startup config, reboot the router, and go out for a cigarette. When you return, none of your changes are active and the router boots to the initial configuration mode! Which of the choices below indicates the source of your problem?
A. Hardware failure in NVRAM prevents the router from loading the config
B. Startup-config in flash is corrupt and cannot be analyzed
C. Router configuration-register set to bypass startup configuration
D. Startup-config in NVRAM is corrupt and cannot be analyzed
E. None of the above
6. [单选题]帧中继(frame relay)环境中，在物理端口上，建立子接口的命令是（）
A. create
B. interface
C. encapsulation
D. ip address
7. [单选题]查看路由表的命令是：()
A. show interface
B. show run
C. show ip route
D. show table
8. [单选题]哪个命令可以成功测试网络：()
A. Router>ping192.5.5.0
B. Routerping192.5.5.30
C. Router>ping192.5.5.256
D. Routerping192.5.5.255
9. [单选题]“ipaccess-group”命令在接口上缺省的应用方向是什么(what is)"（）。
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
10. [多选题]网络中经常使用DDN服务，请选出DDN的优点（）
A. 传输质量高
B. 接入方式灵活
C. 偷占带宽
D. 使用虚电路
E. 专用线路
