What is the recommended solution as Architect should consider?

Universal Containers (UC) has built a custom token-based Two-factor authentication (2FA) system for their existing on-premise applications. They are now implementing Salesforce and would like to enable a Two-factor login process for it, as well .

What is the recommended solution as Architect should consider?
A . Use the custom 2FA system for on-premise applications and native 2FA for Salesforce.
B . Replace the custom 2FA system with an AppExchange App that supports on premise application and salesforce.
C . Use Custom Login Flows to connect to the existing custom 2FA system for use in Salesforce.
D . Replace the custom 2FA system with Salesforce 2FA for on-premise applications and Salesforce.

View Answer

Answer: D