In the MC-LAG environment, which two statements about clustering HA are true?
A. Public connection is used to access the active node of cluster from the outside cluster
B. Private connection is used to connect the nodes of the cluster for private communication
C. Private connection is used to access the active node of cluster from the outside cluster
D. Public connection is used to connect the nodes of cluster for private communication
E. Public connection is used to monitor the health and status of each node in the HA cluster using the heartbeat system
