TRANSPORT LAYER
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following statements are TRUE? (S1) TCP handles both congestion and flow control (S2) UDP handles congestion but not flow control (S3) Fast retransmit deals with congestion but not flow control (S4) Slow start mechanism deals with both congestion and flow control
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S1, S2 and S3 only
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S1 and S3 only
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S3 and S4 only
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S1, S3 and S4 only
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Explanation:
Detailed explanation-1: -In the flow control, the window size (RWND) is sent with the TCP header. Although in congestion control, the sender node or the end device stores it. The sender starts sending packets with window size (CWND) of 1 MSS (Max Segment Size).
Detailed explanation-2: -When congestion takes place in the network, TCP handles it by reducing the size of the sender’s window. The window size of the sender is determined by the following two factors: Receiver window size. Congestion window size.
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