What are the three primary functions of the distribution layer of the campus network design
hierarchy? (Choose three.)
A.
provide end-user connectivity
B.
provide high speed transport
C.
provide QoS services
D.
enforce security policies
E.
provide WAN connections
F.
connect access devices to the core backbone
Explanation:
C, D, F are properties of distribution layer.
Link: http://www.cisco.com/en/US/docs/solutions/Enterprise/Campus/campover.html#wp708979