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Question 12Asked in DSSSB TGT Computer Science (Technical), 13 Sep 2025, Shift 3 (5:00 PM)

What is the role of a checksum in ensuring message integrity?

  1. ATo authenticate the sender
  2. BTo validate the size of the message
  3. CTo detect errors or alterations in the transmitted message
  4. DTo encrypt the message during transmission
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Correct answer: (C) To detect errors or alterations in the transmitted message

Explanation

The sender computes a checksum over the data, and the receiver recomputes it. If the two differ, the message was corrupted or altered in transit.

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

This is question 12 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.