Refer to the Exhibit.

A customer is using EMC DiskXtender for Windows at Site A to archive data to an EMC Centera.
They are mirroring the primary storage using SRDF. EMC DiskXtender is also installed on Site B to archive the mirrored primary storage. They are archiving the data from both sites to the same virtual pool on the EMC Centera.
Due to new organizational policy, they need to have two copies of the archived data. Which configuration changes should you suggest to the customer to ensure they are meeting the requirements?

A.
Archive the data to different pools on the EMC Centera

B.
Archive the data to two different EMC Centeras

C.
Enable collision avoidance on the EMC Centera

D.
Use multitarget migration to migrate data from both sites