Which two of these statements describe features of the NAC Appliance architecture?

Which two of these statements describe features of the NAC Appliance architecture? (Choose two.)

A.
The standard NAC Appliance Manager can manage up to 40 NAC Appliance Servers failover pairs.

B.
NAC Appliance Servers managed by the same NAC Appliance Manager can run in mixed mode (inline or out-of-band).

C.
The NAC Appliance Agent is bundled with the NAC Appliance Server software.

D.
NAC Appliance high availability uses VRRP.

E.
NAC Appliance Agent has the auto-upgrade feature.