题目内容

Which layer provides host-to-host services?

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

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更多问题

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

How many bits specify the IP protocol version in a datagram?

A. 1 bit
B. 2 bits
C. 4 bits
D. 8 bits