Refer to the exhibit.

A customer has a production data center (Site A) and a synchronous disaster recovery data center
(Site B). They recently purchased a third data center (Site C) 820 km away from the production
site. The customer now wants to implement SRDF/Star. In addition to licensing SRDF consistency
groups at Site A and SRDF/Star on all participating Symmetrix DMX-4, what minimal licensing is
required?

A.
SRDF/S at Sites A and B; SRDF/A at Sites A, B, and C

B.
SRDF/S at Sites A and C; SRDF/A at Site B

C.
SRDF/S at Sites A and B; SRDF/A at Sites A and C

D.
SRDF/S at Sites A, B, and C; SRDF/A at Sites A and B