In R4.1 of the 15454, the ML-series Ethernet cards provide QoS enhancements that allow Service
Providers to deliver CIR/PIR (Committed Information Rate/Peak Information Rate) type SLA’s.
Which two specific QoS mechanisms were added to accomplish this?

A.
Weighted Deficit Round Robin Scheduling (WDRR)

B.
Tri-color policer

C.
Discard Eligible Tail Drop Mechanism

D.
Low Latency Queuing (LLQ)