To perform management activities， each domain requires its own（）

A. by adding server instances to the cluster on an existing machine
B. by adding machines to host server for more clustered instances
C. by adding machines to the cluster to host the incremental server instances
D. by adding node managers to an existing machine

A. it is a topology agnostic way to access NamedCaches
B. it provides mechanisms to manage underlying remote data sources
C. both A and B are TRUE
D.Neither A nor B are TRUE