Which of the following authentication methods can be considered examples of authentication by knowledge? (Select all that apply.)
A. Password
B. Token
C. PIN
D. Fingerprint
Which of the following authentication methods can be considered examples of authentication by knowledge?
Authentication by Knowledge:is where the user provides a secret that is only known by him.
Password and PIN both is the authentication by knowledge.
So, the correct answer is: A & C
A and C. Password and PIN code are examples of authentication by knowledge.