Which authentication factor type does Microsoft strongly recommend pairing with passwords on critical apps to make compromise much harder?
AJust the password, repeated twice
BA second factor (MFA) — authenticator app, FIDO2 key, or biometric
CA second password
DAn SMS code sent to email
Answer & Solution
Correct answer: B. A second factor (MFA) — authenticator app, FIDO2 key, or biometric
MFA = something you know + something you have / are. Two passwords or SMS-to-email aren't truly two factors.
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