为自己加油

Which two are true about Rapid Home Provisioning (RHP), which has

Been available since Orcale 18c? (Choose two.)

A.
It is an Oracle Database service
B.
It cannot be used to upgrade Oracle Database homes.
C.
It can be used to provision applications.
D.
It can be used to patch Grid Infrastructure homes containing Oracle Restart.
E.It can be used to provision middleware.