The source port address on the UDP user datagram header defines (a) the sending

Question

The source port address on the UDP user datagram header defines (a) the sending computer (b) the process running on the sending computer (c) the receiving computer (d) the process running on the receiving computer (7) (8) Which one best summarizes the underlying idea of flow contro? (a) A connection needs to be set up before data tr (b) A receiver must send acknowledgments to a sender to guarantee reliability ansfer takes place. s no point in sending data faster than the network can deliver it dJ There is no point sending data faster than the receiver can process it. (9) Which of the following statement about congestion control is true? (a) An excessive number of drops can cause the network throughput to ei (b) One of the goals of a congestion control algorithm is to llapse. is to ensure that when a link is congested, the flow with more urgent data will have a higher priority than those with less urgent data in using the bandwidth in the bottleneck link. (c) Congestion control prevents packets from being corrupted. (d Congestion control ensures packets are delivered to the correct destination. assigns a sequence number to each segment that is being sent. The sequence number for each segment is the number of the__byte carried in that segment (a) first (b) last (c) middle (d) none of the above (10) TCP Which of the following statements is true about TCP Tahoe? (a) IP fragmentation on a path will cause a receiver to generate duplicate (11) (b) A sender receives triple duplicate acknowledgments only when packets are lost. (c) A sender in the slow start state increases its congestion window by one MSS for e acknowledgments. packet it acknowledged. (d) In the congestion avoidance state, the sender's congestion window is increased b MSS for every packet acknowledged.

Explanation / Answer

(7) Ans- B. The process running on the sending computer.

(8) Ans- B. Receiver should send an acknowledgment.

(9) Ans- B. Higher priority to more sensitive data.

(10) Ans- D. None

(11) Ans- D. TCP congestion window is increased by 1

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