Which of the following is NOT an authentication factor?
- Something you are
- Something you have
- Something you know
- Something you need
The concept of authentication factors revolves around verifying the identity of a user before granting access to resources. "Something you need" does not align with the typical authentication factors. The correct factors are: something you know (like a password), something you have (like a security token or smart card), and something you are (biometric identifiers such as fingerprints or facial recognition).
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