The Cluster Administrator wants to use disk heartbeats as a non-IP network. What Volume Group consideration must be accounted for prior to configuring disk heartbeats？（）

A. The Volume Group major number must be the same on all nodes.
B. The Shared Volume Group must be created with the Big VG format.
C. The Volume Group must be created as Enhanced Concurrent Capable.
D. The "t factor" must be doubled to create the reserved area for disk hearbeats.