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