EMC Exam Questions

What is your explanation?

Refer to the exhibit.

Your customer asks you to explain the graph generated by Unisphere Analyzer.
What is your explanation?

A.
Prefetches are not being used effectively

B.
Read cache is disabled on the VNX5800

C.
Write cache is disabled on the VNX5800

D.
The VNX5800 is not coalescing data