Question

Which of the following are NOT used for user authentication? A. what the user has B. what the user knows C. what the user sees D. what the user is

Answer 1

D maybe? That makes the most sense to me.

Answer 2

The option that is not used for user authentication is D. what the user is.

Authentication simply refers to the process of verifying the identity of a process or user. It's the act of proving an assertion.

The essential things that are needed for user authentication include what the user has, what the user knows, and what the user sees.

Therefore, what the user is isn't among the correct options.

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