Which of the following choices is not a two-factor authentication?

A.
Something you know and something you have

B.
A password and something you do

C.
Something you do and something you are

D.
A password and something you know

Explanation:
A two-factor authentication relies on two different kinds of evidence.password is an example of something you know. Strong authentication contains twoout of these three methods: something a person knows, has, or is. Whateveridentification system is used, for strong authentication to be in the process, itmust include two out of the three categories. This is also referred to as two-factor authentication.