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

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

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