Refer to the exhibit.

A customer has an existing CX4-480 that is more than three years old. You have been asked to
review the array health and design a new VNX to replace the old array.
Which performance issue is indicated by the heat map?

A.
Write Cache is periodically full for one Storage Processor

B.
Write Cache is periodically full for both Storage Processors

C.
Front-end Fibre Channel port utilization is unbalanced

D.
Too many pools have resulted in uneven extent distribution