A customer is using SRDF/S to replicate a Symmetrix VMAX at the production site to the VMAX at the DR site. The sites are connected using a dedicated T1 link and are 38 km apart.
What will significantly improve the link service time between the 2 sites?

A.
Upgrade to a faster link.

B.
Decrease the number of RA ports.

C.
Adding cache to both VMAX arrays.

D.
Increase the priority of the high I/O applications on RA ports.