A government agency data center that is used for tax processing is located in an earthquake fault zone. A backup data center, located 300 km away, is linked to the main data center over an OC-3 connection. Which of the following provides the best solution to extend the SAN for business continuance and for support of their IP applications?

A.
Synchronous replication using FCIP

B.
iSCSI

C.
FCIP and asynchronous replication

D.
Dark fiber connectivity and use of synchronous replication over FC