What method is used to pass traffic from the client to the Cisco NAS in an in-band Virtual-Gateway L2 deployment?

What method is used to pass traffic from the client to the Cisco NAS in an in-band Virtual-Gateway L2 deployment?

A.
Use VLAN traffic to aggregate the traffic from the client subnets and configure VLAN mapping between the auth and Access VLANS

B.
Use Policy-Based Routing

C.
Use static routes

D.
User the Cisco NAM downloadable ACLs to allow or block traffic at the access switch

E.
Use different DHCP addressing and port bouncing to allow or block client traffic