A customer recently added a large number of new users to their VNX for Block storage
system. They now notice that the system is slow. You have been asked to fix this problem.
Their configuration uses only Classic LUNs. They have some unused Flash drives. Analysis
shows that several LUNs have skew rates of 90% or higher. Which technology would you
implement to solve their performance problem?

A.
FAST Cache

B.
FAST VP

C.
Flash RG

D.
Pool LUNs