In an out-of-band Cisco NAC Appliance high-availability deployment, why must port security be disabled between the switch interfaces to which the Cisco NAS and Cisco NAM are connected?

A.
Port Security interfaces with SNMP message delivery between Cisco NAM failover peers

B.
Port Security interfaces with UDP heartbeat signals

C.
Port Security creates time-based latency, causing erratic SSL communication

D.
Port Security can interface with Cisco NAS high availability and DHCP delivery