What is the purpose of the SAP HANA secure user store (hdbuserstore)? Note: There are 2 correct answers to this question.

What is the purpose of the SAP HANA secure user store (hdbuserstore)? Note: There are 2 correct answers to this question.
A . TO configure failover support in a 3-tier scenario
B . TO store connection information on the SAP HANA XS advanced engine
C . TO configure an SAP HANA auto-restart for fault recovery
D . TO store connection information on the SAP HANA database client

Answer: A, D