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Question 20Asked in DSSSB TGT Computer Science (Technical), 12 Sep 2025, Shift 1 (9:00 AM)

What does the TCP service model guarantee about the order of data delivery?

  1. AData is delivered in the order it is transmitted.
  2. BData is not guaranteed to arrive in any specific order.
  3. CData may arrive out of order and is handled by the application layer.
  4. DData is delivered as fast as possible.
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Correct answer: (A) Data is delivered in the order it is transmitted.

Explanation

TCP provides a reliable, in-order byte stream: sequence numbers let the receiver reorder segments, so the application gets data in the same order it was sent. UDP gives no ordering guarantee.

From DSSSB TGT Computer Science PYQ (Technical), 12 Sep 2025, Shift 1 (9:00 AM)

This is question 20 of DSSSB TGT Computer Science PYQ (Technical), 12 Sep 2025, Shift 1 (9:00 AM). 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.