Which of the following is a requirement if the Scheduler is to work? (Choose the best answer.)  A. The instance parameter JOB_QUEUE_PROCESSES must be set. B. A Resource Manager plan must be enabled....

Which of the following is a requirement if the Scheduler is to work? (Choose the best answer.)

 A. The instance parameter JOB_QUEUE_PROCESSES must be set.

B. A Resource Manager plan must be enabled.

C. A schedule must have been created.

D. All of the above.

E. None of the above