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Question 9Asked in DSSSB TGT Computer Science (Technical), 13 Sep 2025, Shift 3 (5:00 PM)

What is the advantage of using a sliding window over a stop-and-wait protocol?

  1. ASliding window is simpler to implement.
  2. BSliding window uses larger packet sizes.
  3. CSliding window increases throughput by allowing multiple packets to be sent before acknowledgment.
  4. DSliding window requires no acknowledgments.
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Correct answer: (C) Sliding window increases throughput by allowing multiple packets to be sent before acknowledgment.

Explanation

Stop-and-wait sends one frame and waits for its ACK. A sliding window allows several frames in flight before acknowledgment, which uses the link better and gives higher throughput.

From DSSSB TGT Computer Science PYQ (Technical), 13 Sep 2025, Shift 3 (5:00 PM)

This is question 9 of DSSSB TGT Computer Science PYQ (Technical), 13 Sep 2025, Shift 3 (5:00 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.