Joke Collection Website - Public benefit messages - Which of the following are two-factor authentications?

Which of the following are two-factor authentications?

Does the questioner want to ask "What are the two-factor authentications?" Password plus SMS verification code, password plus fingerprint recognition, password plus face recognition.

1. Password plus SMS verification code: The user needs to enter the correct password and receive the SMS verification code from the server. The verification code can be passed after entering the verification code for verification.

2. Password plus fingerprint recognition: Users need to enter the correct password and use fingerprint recognition technology to verify their identity to pass the authentication.

3. Password plus face recognition: Users need to enter the correct password and use face recognition technology to verify their identity to pass the authentication.