思科认证工程师2021试题答案解析(11.23)

1. [单选题]路由器“路由模式”的提示符号是（）

B. (config)
C. (config-if)
D. (config-router)

2. [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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