Which of the following is not an example of a multifactor authentication?

A. Passwords and tokens
B. Retina scans and smart cards
C. PINs and tokens
D. Fingerprint recognition and iris scanning


Answer: D
Explanation: Multifactor authentication involves using more than one factor (authentication method) for authentication. Fingerprint recognition and iris scanning represent a single factor: biometrics.

Computer Science & Information Technology

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