Based on Cisco’s best practice recommendation, where should classification and marking be applied in a network?
A.
in the core
B.
at the access layer
C.
at the distribution layer
D.
as close to the source as possible
E.
as close to the desalination as possible
Explanation:
Good QoS design calls for the marking of packets close to the source of the packet.
Reference: DQOS Exam Certification Guide p.849