题目内容

Port number’s scope is ____ to ____.

A. 0, 1023
B. 0, 65535
C. 0, 127
D. 0,255

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The port numbers ranging from ____to ____ are called well-known port number and are restricted.

A. 0, 1023
B. 0, 65535
C. 0, 127
D. 0,255

UDP socket identified by two components, they are ____.

A. source IP addresses and source port numbers
B. source IP addresses and destination IP addresses
C. destination IP address and destination port numbers
D. destination port numbers and source port numbers

TCP socket identified by a (an) ____.

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

Which of the following applications normally uses UDP services?

A. SMTP
B. Streaming multimedia
C. FTP
D. HTTP

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