单项选择题

Which command will delete the current rescue configuration?（）

A. user@router# system delete configuration rescue
B. user@router> request system configuration rescue delete
C. user@router# delete rescue configuration
D. user@router> file delete rescue-configuration

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单项选择题

Using the routing table shown in the exhibit, what will be the next-hop IP address used for destination IP address 192.168.1.1? （）

A. 10.20.14.130
B. 10.18.1.1
C. 10.20.14.131
D. 10.20.106.10

单项选择题

You have been asked to use a 23-bit network mask to segment the network block 209.18.12.0, How many usable host address will there e per subnet?（）

A. 510
B. 1022
C. 2046
D. 8190

单项选择题

Which statement is true about the routing table?（）

A. The routing table exists in the control plane only
B. The routing table exists in the control plane and the forwarding plane
C. The routing table contains both active and inactive routes
D. The routing table is stored on compact flash