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Single Answer

If Maria's organization requires her to log in with her username, a PIN, a password, and a retina scan, how many distinct authentication factor types has she used?

Answer Options

A

One

B

Two

C

Three

D

Four

Correct Answer: B

Explanation

Maria has used two distinct types of factors: the PIN and password are both Type 1 factors, and the retina scan is a Type 3 factor. Her username is not a factor.