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    Question

    Which of the following is considered the strongest form

    of multi-factor authentication (MFA)?
    A Password and security question Correct Answer Incorrect Answer
    B Password and OTP via SMS Correct Answer Incorrect Answer
    C Password and biometric Correct Answer Incorrect Answer
    D Password and CAPTCHA Correct Answer Incorrect Answer
    E Password and email verification Correct Answer Incorrect Answer

    Solution

    Biometrics (like fingerprints or facial recognition) are considered very strong as they are unique to the user and hard to replicate. Combining a password (something you know) with a biometric (something you are) provides strong MFA.

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