What is two-factor authentication?
A) The traditional security process, which requires a username and password.
B) Requires the user to provide two means of authentication, what the user knows (password) and what the user has (security token).
C) Requires more than two means of authentication such as what the user knows (password), what the user has (security token), and what the user is (biometric verification).
D) The identification of a user based on physical characteristic such as a fingerprint, iris, face, voice or handwriting.

Question

Quizplus · Accepted Answer

Two-factor authentication enhances security by requiring two forms of verification: something the user knows (like a password) and something the user has (like a security token, a smartphone app, or a text message code). This method is more secure than just a password alone.

What Is Two-Factor Authentication