A network engineer is tasked with supporting traffic discrimination over MPLS traffic engineering
tunnels. To allocate restricted bandwidth to a certain type of traffic with no QoS degradation, which
technique must be used?

A.
integrated services

B.
MPLS TE Diff-Serv full allocation model

C.
MPLS TE Diff-Serv Russian doll model

D.
IP precedence

E.
class of service