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Question 4Asked in DSSSB TGT Computer Science (Technical), 12 Sep 2025, Shift 3 (5:00 PM)

Which of the following is NOT a field in the UDP header?

  1. AChecksum
  2. BSequence Number
  3. CSource Port
  4. DLength
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Correct answer: (B) Sequence Number

Explanation

The UDP header has only four fields: source port, destination port, length and checksum. Sequence numbers belong to TCP, which needs them for reliable, ordered delivery.

From DSSSB TGT Computer Science PYQ (Technical), 12 Sep 2025, Shift 3 (5:00 PM)

This is question 4 of DSSSB TGT Computer Science PYQ (Technical), 12 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.