计算机2020思科认证网络工程师人机对话每日一练(05月05日)

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]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

3. [单选题]下面哪个操作可以使访问控制列表真正生效（）。

A. 将访问控制列表应用到接口上
B. 定义扩展访问控制列表
C. 定义多条访问控制列表的组合
D. 用access-list命令配置访问控制列表

4. [单选题]Given that you have a class B IP address network range, which of the subnet masks below will allow for 100 subnets with 500 usable host addresses per subnet?

A. 255.255.0.0
B. 255.255.224.0
C. 255.255.254.0
D. 255.255.255.0
E. 255.255.255.224

5. [单选题]The 201.145.32.0 network is subnetted using a /26 mask. How many networks and IP hosts per network exists using this subnet mask?

A. 4 networks and 64 hosts
B. 64 networks and 4 hosts
C. 4 networks and 62 hosts
D. 62 networks and 2 hosts
E. 6 network and 30 hosts

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