A customer has open systems hosts that require 40 TB of total storage with a variety of workloads. To configure the DMX properly (speed, size, VTOC, RAID, number of drives, front-end connectivity, etc.), which metrics need to be evaluated?

A.
I/O rates, read/write ratios, and application version

B.
I/O rates, read/write ratios, and physical extents

C.
I/O rates, read/write ratios, and random/sequential ratio

D.
Read/write ratios, physical extents, and random/sequential ratio