Several months ago a company implemented a synchronous R1/R2 architecture with local clone protection enabled by Replication Manager for their Microsoft Exchange 2010 environment.
Recently a failure of the environmental systems led to a site-wide failure, including the Exchange server hardware. Site failover was initiated and the R2 volumes were mounted to a disaster recovery Exchange host.
When the company attempts to mount the databases, they receive a Jet_Page_Not_Found error and the databases will not mount. A tape backup is ordered from the offsite facility and used to restore a backup from several days ago.
Which action should be taken to ensure remote recoverability from disk of Exchange in the case of another failure?

A.
Add clone volumes for the R2 devices

B.
Add clone volumes for the R1 devices

C.
Implement SRDF/CE in addition to SRDF/S

D.
Change the mode of the RDF link to Domino