Which Modular QoS CLI （MQC） based output queuing method is designed to support multiple trafficclasses including VoIP traffic， mission-critical traffic， interactive traffic， and default class traffic？（）
- A、CBWFQ
- B、CB-WRED
- C、LLQ
- D、Custom Queueing
- E、WRR Queueing
正确答案:C
答案解析:有
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