Which SAP HANA cockpit functions allow you to investigate this situation?

The SAP HANA database is NOT reachable, and the root cause is unclear.

Which SAP HANA cockpit functions allow you to investigate this situation? Note: There are 2 correct answers.
A . Troubleshoot unresponsive system
B . Overall database status
C . Manage full system information dumps
D . Open blocked transactions

Answer: A,B