UGC-NET | UGC NET CS 2018 July – II | Question 47

In Challenge-Response authentication the claimant ________.
(A) Proves that she knows the secret without revealing it
(B) Proves that she doesn’t know the secret
(C) Reveals the secret
(D) Gives a challenge

Answer: (A)

Explanation: Challenge-Response authentication is a computer security protocol in which one party ask a question and another party must provide a valid answer. I.e. she knows the secret without revealing it or will provide the secret when it is asked.
So, option (A) is correct.

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