How should an identity architect configure AWS to authenticate and authorize Salesforce users?

Uwversal Containers (UC) is building a custom employee hut) application on Amazon Web Services (AWS) and would like to store their users’ credentials there. Users will also need access to Salesforce for internal operations. UC has tasked an identity architect with evaluating Afferent solutions for authentication and authorization between AWS and Salesforce.

How should an identity architect configure AWS to authenticate and authorize Salesforce users?
A . Configure the custom employee app as a connected app.
B . Configure AWS as an OpenID Connect Provider.
C . Create a custom external authentication provider.
D . Develop a custom Auth server in AW

Answer: B