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【单选题】
Users at the Charleville Company began experiencing high network delays when Internet connectivity was enabled for all users. After investigating the traffic flow, you determine that peerto-peer traffic from a music download site is consuming a large amount of bandwidth. Which QoS mechanism can you implement to improve the network response time?（）A.
Use CBWFQ to queue the peer-to-peer traffic into the default traffic class.
B.
Use class-based WRED to randomly drop the peer-to-peer traffic during network congestions.
C.
Use class-based policing to limit the peer-to-peer traffic rate.
D.
Use class-based shaping to delay any excessive peer-to-peer traffic. Answer: C
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