Which two steps are needed to set up instance caging on an Exadata system? (Choose two.)
A. Set the CPU_COUNT parameter to the maximum number of CPUs that the database instance should utilize at any time.
B. Enable a resource plan to manage the CPUs.
C. Specify the optimization objective as low_latency or high__throughput.
D. Set PGA_AGGREGATE_LIMIT to an acceptable level for the intended instances.
E. Change the initialization parameter THREADED_EXECUTION to TRUE and restart the instance.