Multiple choice

The altering of data so that it is not usable unless the changes are undone is

  1. biometrics

  2. compression

  3. encryption

  4. ergonomics
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Encryption is the process of converting data into a coded form that cannot be read without the proper decryption key. This ensures data confidentiality and security during storage or transmission. Compression reduces file size but doesn't secure data, while biometrics and ergonomics are unrelated to data protection.

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