Which three networking architectures is the Cisco ACI architecture based on? (Choose three.)
A. leaf-and-spine architecture
B. multicast gateway
C. a controller that is not involved in traffic forwarding
D. software-based mapping database lookup
E. zero-touch provisioning for all loopbacks, Layer 3 links, and routing within the fabric
F. Host-based forwarding in the mapping database that provides IP-to-VLAN tunnel endpoint mapping information to the spine
