To ensure voice packets are kept within the Committed Information Rate （CIR） of a Frame Relaylink， what should be used in the CPE？（）
- A、 prioritization
- B、 classification
- C、 fragmentation
- D、 traffic shaping
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To ensure voice packets are kept within the Committed Information Rate （CIR） of a Frame Relaylink， what should be used in the CPE？（）
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