What happens for a user if you enable MFA on the user’s system without enabling MFA for the user account?

What happens for a user if you enable MFA on the user’s system without enabling MFA for the user account?
A . The user will be prompted for MFA on their system but not the user portal.
B . The user will be asked to enroll in MFA from their system.
C . The user will not be prompted for MFA on their system or the user portal.

Answer: C