Which tasks does the User Account and Authentication (XSUAA) service accomplish? Note: There are 3 correct answers to this question.

Which tasks does the User Account and Authentication (XSUAA) service accomplish? Note: There are 3 correct answers to this question.
A . It dispatches requests to microservices.
B. It identifies the user by e-mail or user ID.
C. It decides if a user is allowed to perform an activity.
D. It assigns the principals to a user session.
E. It stores the real users’ identities.

Answer: A,B,C