2022计算机类考试思科认证往年考试试卷(5V)

1. [单选题]把指定端口添加到VLAN的命令是：()

A. vlan
B. vlan-member ship
C. vtp
D. switch port

2. [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

3. [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

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