Exam 642-887 Question id=3300 QOS in a Service Provider IP NGN Environment

Which option is the appropriate method for CBWFQ WRED implementation in Cisco IOS XR?

A. configure policy-map POLICY_1 class CLASS1 random-detect default commit
B. configure policy-map POLICY_1 class CLASS1 wred default commit
C. configure interface pos 0/0/0/0 random-detect default commit
D. configure policy-map POLICY_1 class CLASS1 weighted random-detect default commit

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