题目内容

IP belongs to ____ layer?

A. transport
B. network
C. data link
D. physical

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Which layer provides host-to-host services?

A. transport
B. network
C. data link
D. physical

Which of the following is the default mask for the address 168.0.46.201?

A. 255.0.0.0
B. 255.255.0.0
C. 255.255.255.0
D. 255.255.255.255

IPV4 has a ___ bit address?

A. 48
B. 16
C. 32
D. 64

Which IP address is effective?

A. 202.131.45.61
B. 126.0.0.1
C. 192.268.0.2
D. 290.25.135.12