Which statements about HP Serviceguard heartbeats are true? (Select two)
A. Heartbeat packets are sent across all available LAN interfaces
B. Heartbeat packets are the primary mechanism used by cluster nodes to communicate status information.
C. Loss of even a single heartbeat message causes cluster reformation.
D. A minimum of two heartbeat LAN interfaces are recommended in a cluster.
E. Heartbeat packets are sent across dedicated heartbeat LAN interfaces