Which are four attributes of the Active vCenter HA node?

Which are four attributes of the Active vCenter HA node? (Choose four)

A.
It uses the vCenter HA network to communicate with the Witness node.

B.
It constantly replicates vPostgres data with the Witness node.

C.
It uses a public IP address for the management interface.

D.
It runs the active vCenter Server Appliance instance.

E.
It uses the vCenter HA network for replication of data to the Passive node.

F.
It provides a quorum to protect against split-brain situations.

Explanation:
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.avail.doc/GUID-
2D395533-4C7C-45A6-9B5C-0A78C3E3A5C8.html