What is a requirement for creating a remote database sc…

What is a requirement for creating a remote database scheduler job?

A.
The remote database job must run as a user that is valid on the target remote database.

B.
A private database link must be created from the originating database to the target remote database.

C.
The target remote database on which the job is scheduled must be Oracle Database 11g Release 2 or later.

D.
The target remote database must be on a different host form the originating scheduler database host.