1. [单选题]RIP路由协议认为“网络不可到达”的跳数是:()
A. 8
B. 16
C. 24
D. 100
2. [单选题]IP地址为:192.168.50.70,掩码为:255.255.255.248,则该IP地址所在子网的子网号为()
A. 192.168.50.32
B. 192.168.80.64
C. 192.168.50.96
D. 192.168.50.71
3. [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
4. [单选题]帧中继环境中,在物理端口上,建立子接口的命令是()
A. create
B. interface
C. encapsulation
D. ip address
5. [单选题]At which layer of the OSI model does the protocol that provides the information displayed by the "show cdp neighbors" command operate?
A. Transport
B. Physical
C. Application
D. Data link
E. Network
6. [单选题]You have just purchased a brand new router and wish to have the router prompt you through the initial configuration commands. Which router mode does this describe?
A. ROM Monitor mode
B. SETUP mode
C. Autoflash mode
D. RXBOOT mode
E. None of the above
7. [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
8. [单选题]关于静态NAT,下面()说法是正确的。
A. 静态NAT转换在缺省情况下24小时后超时
B. 静态NAT转换从地址池中分配
C. 静态NAT将内部地址一对一静态映射到内部全局地址
D. CISCO路由器缺省使用了静态NAT
9. [单选题]某台PC,能ping通路由器,但不能telnet到路由器,可能的原因是()
A. PC的IP地址设置错误
B. 路由器端口IP设置错误
C. 路由器端口处于关闭状态
D. telnet密码未设置
10. [单选题]OSPF骨干区的区域编号为()
A. 0.0.0.1
B. 255
C. 0.0.0.0
D. 255.255.255.255