Which two statements are true about the Automatic Diagnostic Repository (ADR)?

A.
The ADR base is shared across multiple instances.

B.
The ADR base keeps all diagnostic information in binary format.

C.
The ADR can be used to store statspack snapshots to diagnose database performance
issues.

D.
The ADR can be used for problem diagnosis even when the database instance is down.

E.
The ADR is used to store Automatic Workload Repository (AWR) snapshots.