Kizspy | Question: 30
(Choose 1 answer)
What is two-factor authentication?
A. A security measure that requires users to enter a username and password.
B. A security measure that requires users to enter a password and answer a security question.
C. A security measure that requires users to provide two forms of identification, typically a password and a unique code sent to their mobile device or email address.
D. A security measure that requires users to complete a CAPTCHA challenge to prove they are human.
