A new EMC customer recently installed their first VMAX and a complete suite of EMC
management tools. Their lead capacity planner attended training and has started monitoring
the VMAX. You receive a call and this person describes the measurements observed.
During the period of heaviest workload, reported throughput on certain Fibre Channel ports
is nearing 150,000 KB/second but those ports display only about 10% utilization. What is
the likely cause?

A.
Sequential prefetch skews throughput %

B.
I/O block size is very small

C.
I/O block size is very large

D.
Striped metavolumes report invalid IOPS