How do EMC RecoverPoint signatures reduce the bandwidth requirement when transferring data
to a remote site?

A.
Reads data at both sites, transmits only the difference

B.
Sends only the first write for multiple writes to the same location

C.
Uses an EMC CLARiiON splitter to deduplicate data at the source

D.
Reduces retransmission of data by buffering data at the RecoverPoint appliance