Which of the following methods involves requesting a user's approval via a push notification to verify the user's identity?

The correct answer is B. Authenticator. Modern authenticator apps (such as Microsoft Authenticator or Google Authenticator with push capability) can send a push notification to the user's registered device. The user approves or denies the login request via the notification, providing a quick and secure second factor…

Submitted by kevin_r· Mar 30, 2026

Question

Options

ACall
BAuthenticator
CHardware token
DSMS

How the community answered

(29 responses)

A
3% (1)
B
93% (27)
C
3% (1)

Explanation

Modern authenticator apps (such as Microsoft Authenticator or Google Authenticator with push capability) can send a push notification to the user's registered device. The user approves or denies the login request via the notification, providing a quick and secure second factor for

Topics

#MFA methods#Authenticator app#Push notification authentication#Identity verification

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