A customer wants to ensure resource availability for their SAP application by implementing QoS.
How could the performance class be defined?

A.
limited to 10,000 IOPS and add the SAP application servers to it

B.
limited to 10,000 IOPS and add all hosts except the SAP application to it

C.
for half of the interface modules add all hosts, with the remaining modules serving the SAP application

D.
for half of the interfaces modules add the SAP application, with the remaining modules serving all other I/O