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Question 6Asked in DSSSB TGT Computer Science (Technical), 12 Sep 2025, Shift 1 (9:00 AM)

Which of the following describes the use of digital certificates in authentication?

  1. AThey store the user's passwords.
  2. BThey compress large files for secure transfer.
  3. CThey verify the identity of entities using Public Key Infrastructure (PKI).
  4. DThey encrypt data transmission.
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Correct answer: (C) They verify the identity of entities using Public Key Infrastructure (PKI).

Explanation

Note: the official answer key marks option 2. Conceptually, digital certificates verify the identity of an entity using PKI (option 3). The key has been kept as published.

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

This is question 6 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.