What authentication strategy should they use?

Your customer is moving an existing corporate application to Google Cloud Platform from an on-premises data center. The business owners require minimal user disruption. There are strict security team requirements for storing passwords .

What authentication strategy should they use?
A . Use G Suite Password Sync to replicate passwords into Google.
B . Federate authentication via SAML 2.0 to the existing Identity Provider.
C . Provision users in Google using the Google Cloud Directory Sync tool.
D . Ask users to set their Google password to match their corporate password.

Answer: B

Explanation:

https://cloud.google.com/solutions/authenticating-corporate-users-in-a-hybrid-environment