A customer is in the design phase of their SQL server implementation. They request your
guidance concerning the number of disk drives needed to properly configure the database
for performance. The current utilization of the database is shown below:
S 85% reads and 15% writes
10K SAS disks
RAID 1/0
1150 IOPS
What is the minimum number of disk spindles required to service the random I/O requests
during usage of the SQL Server database?

A.
8

B.
10

C.
12

D.
14