Where is the RDF control subvolume on the \\REMOTE system?

The customer’s RDF environment replicates from \\PRIMARY to \\REMOTE. Where is the RDF
control subvolume on the \\REMOTE system?

A.
\\REMOTE.$SYSTEM.REMOTE

B.
\\REMOTE.$SYSTEM.PRIMARY

C.
\\REMOTE.$SYSTEM.ZRDF

D.
\\PRIMARY.$SYSTEM.ZRDF