Which statement describes the usage of Dynamic Service Fallback in Oracle RAC 19c?
A.
Dynamic Service Fallback allows a service to relocate to an available instance when the service is stopped on a preferred instance.
B.
Dynamic Service Fallback allows a service to fall back to a preferred instance when the available instance performance falls below a specified threshold after it was failed over to an available instance.
C.
To enable Dynamic Service Fallback, you should specify the level of performance of a preferred instance for a service to be relocated to an available instance by setting the -failback attribute of a service to "Low, Medium, or High".
D.
Dynamic Service Fallback allows a service to fall back to a preferred instance when it becomes available after it was failed over to an available instance.
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