Which two statements are true about Highly Available vSphere Auto Deploy infrastructure? (Choose two.)

A.
It helps prevent data loss.

B.
It is a prerequisite for using vSphere Auto Deploy with stateful install.

C.
It requires two or more Auto Deploy servers.

D.
It is a prerequisite for using vSphere Auto Deploy with stateless caching.

Explanation:
https://pubs.vmware.com/vsphere-55/index.jsp?topic=%2Fcom.vmware.vsphere.install.doc%
2FGUID-62A21FCF-5516-4444-8B38-110325839F75.html