Which two options are supported for the laaS database in a minimal deployment of vRealize Automation? (Choose two.)

Which two options are supported for the laaS database in a minimal deployment of vRealize Automation? (Choose two.)
A . Microsoft SQLServer installed on the IaaS server
B . Microsoft SQL Server installed on an external server
C . PostgreSQL Server installed on an external server
D . PostgreSQL Server installed on an IaaS server

Answer: A,B