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Question 159Asked in DSSSB PGT Computer Science (Technical), 11 Jul 2021

Which of the following is not a Cipher mode in Cryptography?

  1. AElectronic CodeBook Mode
  2. BCipher Feedback Mode
  3. CStem Cipher Mode
  4. DCipher Block Chaining Mode
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Correct answer: (C) Stem Cipher Mode

Explanation

Block cipher modes include ECB, CBC, CFB, OFB and CTR. "Stream (Stem) cipher mode" is not one of them.

From DSSSB PGT Computer Science PYQ (Technical), 11 Jul 2021

This is question 159 of DSSSB PGT Computer Science PYQ (Technical), 11 Jul 2021. 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.