Which of the following is an example of two-factor authentication?

1. using a password and a text PIN to verify your identity

2. having to enter your password twice

3. changing your password twice a month

4. telling two different people your password

Respuesta :

Answer: Using a password and a text PIN to verify your identity

Explanation:

Answer: Using a password and a text pin to verify your identity.

Explanation: Two-factor authentication is a form of verification depending on multiple factors (example: password and pin)