Refer to the exhibit,

You are proposing a storage solution using VNX to support a Microsoft Exchange 2010 virtual
implementation on Microsoft Hyper-V. You have worked with the customer to understand the
Exchange requirements, which are described in the exhibit. Based on availability, performance,
and Exchange mailbox size requirements, you are recommending RAID 5 with 7.2K rpm NL/SAS
disks.
Following EMC best practices, what is the minimum number of spindles required for this
environment?

A.
14

B.
18

C.
27

D.
37