Which of the following is an example of 2FA?

The correct answer is D. One-Time passwords (OTA). One-time passwords are typically generated by a device (i.e. "something you have") and are required in addition to the actual main password (i.e. "something you know"). Badges, keys and passwords with no other overlapping authentication controls are considered single-factor…

Access Controls Concepts

Question

Options

AKeys
BPasswords
CBadges
DOne-Time passwords (OTA)

How the community answered

(21 responses)

A
5% (1)
C
5% (1)
D
90% (19)

Explanation

One-time passwords are typically generated by a device (i.e. "something you have") and are required in addition to the actual main password (i.e. "something you know"). Badges, keys and passwords with no other overlapping authentication controls are considered single-factor (and thus are not 2FA).

Topics

#Two-Factor Authentication#Authentication Factors#One-Time Passwords

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