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單項(xiàng)選擇題

How many host addresses are available in the /28 network?（）

A. 6
B. 14
C. 28
D. 30

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多項(xiàng)選擇題

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

單項(xiàng)選擇題

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