What are the two most commonly used authentication factors in multifactor authentication? (Choose two)

What are the two most commonly used authentication factors in multifactor authentication? (Choose two)
A . biometric factor
B . time factor
C . confidentiality factor
D . knowledge factor
E . encryption factor

View Answer

Answer: A,D

Explanation:

Reference: https://www.cisco.com/c/en/us/products/security/what-is-multi-factor-authentication.html

The two most popular authentication factors are knowledge and inherent (including biometrics like fingerprint, face, and retina scans. Biometrics is used commonly in mobile devices).