Multiple choice technology security

Data hashing will

  1. Ensure that the data has not been tampered with

  2. Ensure that the session is valid

  3. Ensure that the user is valid

  4. All of the above
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A Correct answer
Explanation

Data hashing creates a fixed-size fingerprint that detects tampering - if even one bit changes, the hash will be completely different. Hashing doesn't validate sessions (that's session management), doesn't validate users (that's authentication), and 'all of the above' is incorrect because hashing only addresses integrity, not authenticity or authorization.

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