1.

Data ___________ is used to ensure confidentiality.(a) Encryption(b) Locking(c) Deleting(d) BackupThis question was addressed to me in an interview.My query is from Elements of Security in chapter Cyber Security of Cyber Security

Answer»

Correct choice is (a) ENCRYPTION

The explanation: Data encryption is the METHOD of converting plain text to cipher-text and only AUTHORISED users can decrypt the MESSAGE back to plain text. This preserves the confidentiality of data.



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