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單項(xiàng)選擇題

Where does routing occur within the DoD TCP/IP reference model?（）

A. application
B. internet
C. network
D. transport

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單項(xiàng)選擇題

How many addresses for hosts will the network 124.12.4.0/22 provide?（）

A. 510
B. 1022
C. 1024
D. 2048

單項(xiàng)選擇題

For the network 192.0.2.0/23, which option is a valid IP address that can be assigned to a host?（）

A. 192.0.2.0
B. 192.0.2.255
C. 192.0.3.255
D. 192.0.4.0

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