A customer has a production data center (site A) and a synchronous DR data center (site B). The customer recently purchased a third data center (site C) 820 km away from the production site.
This customer now wants to implement Star. In addition to licensing SRDF Consistency Groups at site A and Star on all participating DMXs, what other 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 site A and B