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Which of the following BEST describes using a smart car…

Which of the following BEST describes using a smart card and typing in a PIN to gain access to a system?

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A.
Biometrics

B.
PKI

C.
Single factor authentication

D.
Multifactor authentication

Explanation:
Multifactor authentication requires a user to provide two or more authentication factors for authentication
purposes. In this case, a smart card (something they have) is one and a PIN (something they know) is the
second.

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