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What is not a role of encryption?

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What is not a role of encryption?

(a) It is used to protect data from unauthorized access during transmission

(b) It is used to ensure user authentication

(c) It is used to ensure data integrity

(d) It is used to ensure data corruption doesn’t happens

I had been asked this question in a job interview.

Asked question is from Security in chapter Security of Operating System

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Correct answer is (d) It is used to ensure data corruption doesn’t happens

To explain: Encryption doesn’t have error correction or detection facility thus cannot be used to safeguard from data corruption.

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