Which method would be the most beneficial to protect the cluster when faced with intermittent network issues on the private heartbeat links?

A.
Implement Quorum resource to protect heartbeat links
B.
Implement a low-pri heartbeat on the public NIC in the configuration
C.
Implement a Steward Process to watch the private heartbeats in the environment
D.
Implement a Virtual Business Service to provide arbitration across cluster nodes