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 user enter 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

The user enters a user name and password, and then clicks a notification in an authentication app on a mobile device. This is a common example of multifactor authentication, where the user must provide something they know (their password) and something they have (their mobile device).

Which Set of Actions Satisfy the Requirement for Multifactor Authentication