单项选择题
A. 6 B. 14 C. 28 D. 30
Which two prefixes would summarize the networks shown b...
多项选择题
Which two prefixes would summarize the networks shown below?（）
A. 192.168.0.0/23 B. 192.168.0.0/22 C. 192.168.0.0/24 D. 192.168.0.0/21
What is the network address for the 10.13.147.100/19 ho...
单项选择题What is the network address for the 10.13.147.100/19 host?（）
A. 10.13.128.0 B. 10.13.147.0 C. 10.13.0.0 D. 10.13.100.0
What is the last usable IP address in the 218.6.0.0/17 ...
单项选择题What is the last usable IP address in the 218.6.0.0/17 network?（）
A. 218.6.125.254 B. 218.6.126.254 C. 218.6.127.254 D. 218.6.128.254
