Community QuestionSeen on 27 CBTsRe-created in 27 study sets this year

Which of the following is an example of two-factor authentication?

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Answer

Your password and a code you receive via text message

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An authentication system that requires more than one distinct type of authentication factor for successful authentication. Something you know (e.g., PIN, password), something you have (e.g., cryptographic identification device, token), or something you are (e.g., biometric).

NIST SP 800-63-4 — Multi-Factor Authentication (CSRC Glossary)

Alternate answers seen on other CBTs

The same question shows up worded slightly differently across CBT versions. Here are the other answer variants we've indexed.

Password and Fingerprint

Cyber Awareness Challenge 2026

A Common Access Card and Personal Identification Number.

Digitally Signed Emails Are More Secure Cyber Awareness