Question

Which of the following is required for two-factor authentication?

A) Username and password
B) Fingerprint and password
C) Security question and password
D) Email and password

Answer 1

Two-factor authentication requires two different types of credentials, such as a password and a fingerprint. Option B) Fingerprint and password is the correct answer because it combines a knowledge factor with a biometric factor.

Step-by-step explanation:

Two-factor authentication (2FA) is a security process that requires two different forms of identification to access an account. The options listed in the question represent different types of single-factor authentication methods. Two-factor authentication typically combines something you know (like a password) with something you have (like a phone to receive a code) or something you are (like a fingerprint).

Option B) Fingerprint and password fits the criteria for two-factor authentication because it uses two different categories of credentials: something you know (password) and something you are (fingerprint).