Which three statements are true about services and the Resource Manager?

Which three statements are true about services and the Resource Manager?

A.
The Resource Manager offers benefits In managing workloads because priority is given

to business functions rather than the sessions that support those business functions.

B.
The srvctl utility is used to map services to consumer groups.

C.
The Resource Manager can manage the relative priority of services within an instance by
binding services directly to consumer groups if services are mapped to consumer groups by
the DBA

D.
When a client connects using a service, the service can be mapped to a consumer
group, enabling the Resource Manager to manage work requests by service in the order of
their importance.