What are some common methods used for multi-factor authentication?
- Biometric authentication, SMS codes, hardware tokens, and smart cards are common methods for multi-factor authentication.
- Username and password, security questions, fingerprint recognition, and facial recognition are commonly used multi-factor authentication methods.
- Two-factor authentication is the only method for securing multiple factors in the authentication process.
- Multi-factor authentication is not necessary for robust security.
Multi-factor authentication involves using at least two of the mentioned methods to enhance security. Options include biometrics, SMS codes, hardware tokens, and smart cards.
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