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
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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
Which of the following is not correct about Go-Back-N protocol?
A. Only using ACK-s
B. Using cumulative ACK-s
C. Receiver discards all out-of-order packets
D. It is not pipelined protocol
Which of the following is not correct about Selective Retransmission protocol?( )
A. receiver individually acknowledges all correctly received packets
B. sender only resends packets for which ACK not received
C. It limits sequence number of sent but un-ACK-ed packets
D. It is not a pipelined protocol
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