Which three are capabilities of SAML-based Federated authentication? Choose 3 answers

Which three are capabilities of SAML-based Federated authentication? Choose 3 answers
A . Trust relationships between Identity Provider and Service Provider are required.
B . SAML tokens can be in XML or JSON format and can be used interchangeably.
C . Web applications with no passwords are more secure and stronger against attacks.
D . Access tokens are used to access resources on the server once the user is authenticated.
E . Centralized federation provides single point of access, control and auditing.

Answer: A,D,E