Multiple choice general knowledge

What are the authentication methods for which biometrics is used?

  1. Identification and Authentication

  2. Verification and Authentication

  3. Identification and Verification

  4. None of the above
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C Correct answer
Explanation

In biometric systems, identification is the process of determining a person's identity from a database (1:N matching - "who is this?"), while verification confirms a claimed identity (1:1 matching - "is this person who they claim to be?"). Authentication is the broader concept, but the specific biometric methods are identification and verification.

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