What is the effect of using deduplication together with remote replication?

A.
Reduced volume of data to be transferred across a low-bandwidth network
B.
Increased number of disks required to store the data at a remote location
C.
Increased security of the data that is transferred across an insecure network
D.
Reduced risk of corruption during transfer of the data to a remote location
Explanation:
http://searchdatabackup.techtarget.com/feature/Using-remote-replication-and-datadeduplication-technology-to-back-up-branch-office-data