During Symmetrix VMAX performance analysis, you notice that a collection of VMAX
devices has a front-end I/O rate that is much lower than its back-end I/O rate. What might
be the reason for this?

A.
Devices are RAID 5 protected.
B.
Workload has a high percentage of read hits.
C.
Front-end ports are faster than the back-end ports.
D.
Host is striping the data across all of the devices.