Which of the following could be used as a second component of multifactor authentication if a user has an RSA token?

The correct answer is C. Retina scan. A retina scan could be used in conjunction with an RSA token because it is a biometric factor, and thus a different type of factor. An access card, RFID, and USB thumb drive are all items in possession of a user, the same as an RSA token, and as such would not be appropriate.

Submitted by eva_at· Apr 18, 2026Cloud Platform & Infrastructure Security

Question

Options

AAccess card
BUSB thumb drive
CRetina scan
DRFID

How the community answered

(44 responses)

A
5% (2)
B
2% (1)
C
93% (41)

Explanation

A retina scan could be used in conjunction with an RSA token because it is a biometric factor, and thus a different type of factor. An access card, RFID, and USB thumb drive are all items in possession of a user, the same as an RSA token, and as such would not be appropriate.

Topics

#Multifactor Authentication (MFA)#Authentication Factors#Biometrics#Access Control

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