220-1002 Question #312: Real Exam Question with Answer & Explanation

The correct answer is B: Fingerprint lock and passcode lock. Multifactor authentication (MFA) requires two or more different types of authentication factors: something you know, something you have, or something you are. Fingerprint lock (biometric = something you are) combined with passcode lock (something you know) satisfies MFA because t

Question

A mobile device user is concerned about security. The user wants to use multifactor authentication on the device. Which of the following would BEST accomplish this?

Options

APasscode lock and swipe lock
BFingerprint lock and passcode lock
CPicture passcode and pin lock
DFace lock and fingerprint lock

Explanation

Multifactor authentication (MFA) requires two or more different types of authentication factors: something you know, something you have, or something you are. Fingerprint lock (biometric = something you are) combined with passcode lock (something you know) satisfies MFA because they represent two distinct factor categories. Options A and C both use two 'something you know' factors (swipe/passcode, picture/PIN), which is single-factor authentication used twice-not true MFA. Option D (face lock + fingerprint) uses two biometric factors from the same category, also not true MFA.

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