You work as the Storage Administrator (SA) at Certkiller .com. Certkiller .com has an MX Exchange environment. Users have been complaining about poor performance. Upon investigation, you discover that the system is performing two reads for every transaction.
What is the probable cause of this problem?

A.
Sector misalignment.

B.
The block size is too small.

C.
The stripe size is too small.

D.
The read cache is turned off.