Which set of action satisfy the requirement for multi-factor authentication?

The correct answer is B. The user enters a user name and password, and then clicks a notification in an authentication. This is an example of how two-factor authentication (2FA) works: 1. The user logs in to the website or service with their username and password. 2. The password is validated by an authentication server and, if correct, the user becomes eligible for the second factor. 3. The authe

Submitted by minji_kr· Mar 5, 2026Security Fundamentals

Question

Which set of action satisfy the requirement for multi-factor authentication?

Options

AThe user swipes a key fob, then clicks through an email link
BThe user enters a user name and password, and then clicks a notification in an authentication
CThe user enters a PIN into an RSA token, and then enters the displayed RSA key on a login
DThe user enters a user name and password and then re-enters the credentials on a second

How the community answered

(20 responses)

A
10% (2)
B
85% (17)
C
5% (1)

Explanation

This is an example of how two-factor authentication (2FA) works: 1. The user logs in to the website or service with their username and password. 2. The password is validated by an authentication server and, if correct, the user becomes eligible for the second factor. 3. The authentication server sends a unique code to the user's second-factor method (such as a smartphone app). 4. The user confirms their identity by providing the additional authentication for their second-factor

Topics

#multi-factor authentication#authentication factors#MFA#identity verification

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