A customer is designing an environment in order to archive inactive file data to an EMC Centera.
The files are migrated to the EMC Centera only if they have not been accessed in the last 90 days.
The customer also requires a comprehensive disaster recovery solution to restore all the data in the event of a disaster. They are currently replicating the EMC Centera to Site B.
The customer has asked you to review their design. What should you suggest to the customer to meet their requirements?

A.
Back up the EMC DiskXtender server

B.
Current solution completely satisfies their requirement

C.
Include a highavailability solution in the design

D.
Replicate the primary storage as wel