You have an Exchange Server 2010 organization.
You plan to deploy two new Mailbox servers. Both Mailbox servers will be members of a database
availability group (DAG).
You need to recommend a hard-disk configuration for the new servers. Your recommendation must
meet the following requirements:
• Minimize write performance
• Prevent a switchover if a single disk fails
Which disk configuration should you recommend?

A.
RAID 0 array

B.
RAID 1 array

C.
RAID 5 array

D.
RAID 10 array