Which Cisco NAC Appliance design is the most scalable architecture for campus LANs because it provides high performance after posture verification?

Which Cisco NAC Appliance design is the most scalable architecture for campus LANs because it
provides high performance after posture verification?

A.
Layer 2 out-of-band

B.
Layer 2 edge deployment

C.
Layer 3 in-band

D.
Layer 3 centraldeployment

E.
in-band real-IP gateway

F.
in-band virtual gateway