Refer to the exhibit.

49

A customer has two sites with separate SAN setups and Brocade switches. The customer is considering using the sites for disaster recovery purposes and needs to connect them. The sites are about 150 km apart. The bandwidth required is estimated to be less than 800 Mb/s.What is the most cost-effective solution? Select the best response.

A.
Connect the Brocade switches directly withFibre Channel links and set the maximum amount of BB_Credits.

B.
Use DWDM connectivity, available from the localtelco provider.

C.
Add Cisco MDS 9222i switches and use FCIP connectivity between the two sites.

D.
Add Cisco MDS 9124 switches and connect them directly with optical links by taking advantage of their extended amount ofBB_Credits.