Your Company is adding an additional SAN to their infrastructure to support their Quality Assurance (QA) department, and due to production demands, this SAN must be kept separate from production. Their current SAN environment consists of Brocade DS-4900B switches and a CX3-80.
They do not know how large this SAN will need to grow, but they need it to start as small as possible so that acquisition costs are kept low. They will be implementing a CX3-20 for the QA SAN but need a switch recommendation.
Which switch model should you recommend to the customer?

A.
DS-220B

B.
DS-5000B

C.
MDS 9222i

D.
MDS 9509