Computer Networks, Quiz 2

September 2025 term, 23 Nov 2025, Set QDB2

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Question 1

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Select one option

• A.

  CWND before new ACK = 8 MSS, after new ACK = 8 MSS

• B.

  CWND before new ACK = 12 MSS, after new ACK = 8 MSS

• C.

  CWND before new ACK = 12 MSS, after new ACK = 4 MSS

• D.

  CWND before new ACK = 4 MSS, after new ACK = 12 MSS

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Figure from the original question paper Figure from the original question paper A TCP receiver has a buffer size of 30 KB. The sender transmits data at 10 KB/s, while the receiver’s application reads data from the buffer at 6 KB/s. Assuming the buffer is initially empty, after how many seconds will the receiver buffer become full ?\ Note: Give your answer to two decimal places.