1. [单选题]交换机转发数据到目的地依靠()
A. 路由表
B. MAC地址表
C. 访问权限表
D. 静态列表
2. [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?
A. The cable is attached properly.
B. CDP has discovered the connected device.
C. Keepalives are being received on the interface.
D. A carrier detect signal has been received from the connected device.
E. IP is correctly configured on the interface.
3. [多选题]You need to configure a default route on a Ezonexam router. Which command will configure a default route on a router?
A. VE1(config) ip route 0.0.0.0 10.1.1.0 10.1.1.1
B. VE1(config) ip default-route 10.1.1.0
C. VE1(config) ip default-gateway 10.1.1.0
D. VE1(config) ip route 0.0.0.0 0.0.0.0 10.1.1.1
4. [单选题]OSI七层模型中,“段”是哪一层数据封装的名称()
A. 物理层
B. 数据链路层(data link layer)
C. 网络层
D. 传输层
5. [单选题]关于PPP和HDLC的说法中,错误的是()
A. PPP是通用协议,HDLC是CISCO私有协议
B. PPP有验证功能,HDLC无验证功能
C. PPP效率低,HDLC效率高
D. 在配置ISDN时,广域网协议不能封装成PPP,但可以封装成HDLC
6. [单选题]工作在OSI第三层(layer 3)的设备是:()
A. 网卡
B. 路由器
C. 交换机
D. 集线器
7. [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
D. 设定子接口
E. 配置密码
8. [单选题]路由器的配置文件startup-config存放在()里
A. RAM
B. ROM
C. FLASH
D. NVRAM
9. [单选题]配置路由器特权用户“加密密码”的命令是:()
A. password
B. enable password
C. enable secret
D. passwd
10. [单选题]备份路由器IOS的命令是:()
A. copy flash tftp
B. copy running-configt ftp
C. copy IOS tftp
D. copy startup-configt ftp