Multiple RDF groups from different Symmetrix arrays have been grouped together to enable Multi-Session
Consistency. How does cycle switching occur in this configuration?

A.
Cycle switches are controlled by the RDF daemon

B.
Cycle switches always occur simultaneously on all Symmetrix arrays after 30 seconds

C.
Cycle switches are controlled by the master Symmetrix

D.
Cycle switches always occur independently on each Symmetrix after 30 seconds