A company wants to configure a three-site disaster tolerant SRDF solution. The production site will be at Site A, the nearby target will be at Site B, and the distant target at Site C. The company has large amounts of Symmetrix storage but wants to minimize the cost of network bandwidth.
Which data center solution would you recommend?

A.
SRDF/AR

B.
SRDF/Star

C.
Concurrent SRDF

D.
Cascaded SRDF