A customer wants to consolidate their MS Exchange environment. The current environment consists of 4,250 mailboxes with an average size of 75 MB. The customer’s priorities are:
1. Performance 2. Scalability 3. Availability 4. Ease of management Which solution would best meet the customer’s criteria?

A.
MS Exchange Cluster with iSCSI and an NS20 with iSCSI

B.
MS Exchange Cluster with iSCSI and an NS40 with iSCSI

C.
MS Exchange with iSCSI and an NS20 with iSCSI

D.
MS Exchange with iSCSI and an NS40 with iSCSI