Which set of actions satisfy the requirement for multifactor authentication?
A) The user enters a user name and password, and then re-enters the credentials on a second screen.
B) The user swipes a key fob, then clicks through an email link.
C) The users enters a user name and password, and then clicks a notification in an authentication app on a mobile device.
D) The user enters a PIN into an RSA token, and then enters the displayed RSA key on a login screen.

Question

Quizplus · Accepted Answer

Multifactor authentication requires two or more different types of factors: something you know (password), something you have (authentication app), or something you are (biometrics). Option C uses a password (something you know) and an authentication app (something you have).

Which Set of Actions Satisfy the Requirement for Multifactor Authentication