Cisco NAC Appliance, formerly Cisco Clean Access (CCA), is a network access control solution developed by Cisco Systems that helps ensure a secure and clean network environment. Which Cisco NAC Appliance design is the most scalable architecture for campus LANs because it offers
high performance after posture verification?
A.
In-band real-ip gateway
B.
Layer 2 out-of-band
C.
In-band virtual gateway
D.
Layer 3 centraldeployment