Which three characteristics are associated with the aggregation layer of a Cisco Data Center Unified Fabric network?

Which three characteristics are associated with the aggregation layer of a Cisco Data Center
Unified Fabric network? (Choose three.)

A.
no packet manipulation

B.
QoS � policing

C.
voice, data, and wireless convergence

D.
scalable routing protocols

E.
provides default gateway redundancy

F.
QoS � classification and queuing

G.
routing manipulation and filtering

H.
aggregates end users