A customer is designing a SAN to support a new OLTP application. The application requires four UNIX servers. Each server has two 2-Gbps host bus adapters and can burst up to 180 MBps. The disk array for the application has four 2-Gbps Fibre Channel interfaces.

Which solution meets the design requirements of this application in the most cost-effective manner?

A.
Two Cisco MDS 9120 Multilayer Fabric Switches

B.
Two Cisco MDS 9506 Multilayer Directors, each with one 32-portFibre Channel line card

C.
Two Cisco MDS 9216 Multilayer Fabric Switches

D.
Two Cisco MDS 9506 Multilayer Directors, each with one 16-portFibre Channel line card