题目内容

A TCP socket identified by a ____ tuple(s).

A. 2
B. 4
C. 1
D. 3

查看答案
更多问题

A TCP socket does not include____.

A. Source MAC address
B. Source port number
C. Destination IP address
Destination port number

Which of following about UDP is not correct.

A. It is a reliable data transfer protocol
B. It is connectionless
C. no handshaking between UDP sender, receiver
D. it is a best effort service protocol

DNS uses ____ service.

A. TCP
B. UDP
C. Both TCP and UDP
D. None of above

The UDP header has only ____ fields.

A. 2
B. 4
C. 1
D. 3

答案查题题库