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What is the purpose of using two-factor authentication (TFA) on online accounts?

A. It adds an extra layer of security beyond passwords.
B. It replaces the need for passwords entirely.
C. It allows access to multiple accounts with one password.
D. It automatically generates random passwords.

Sagot :

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Final answer:

Two-factor authentication adds an extra layer of security beyond passwords, multi-factor authentication utilizes various factors for enhanced security, and token-based authentication increases complexity and randomness to deter hackers.


Explanation:

Two-factor authentication (TFA) adds an extra layer of security beyond passwords by requiring an additional form of verification such as an authentication code delivered via text or an app. This system enhances security by making it harder for adversaries to compromise an account using just a password.
Multi-factor authentication (MFA) utilizes various factors like passwords, PIN codes, or biometrics to authenticate users, increasing the overall security level.
Token-based authentication, such as using One Time Passwords (OTPs), enhances security by introducing randomness and complexity, making it more challenging for hackers to crack passwords.


Learn more about Authentication and Security here:

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