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单项选择题 Refer to the exhibit. What mechanism should be used to increase the bandwidth availability and optimize the link usage throughout the network for voice traffic?()

A、TCP header compression on router R1

B、TCP header compression on router R2

C、RTP header compression on router R1

D、RTP header compression on router R2

E、payload header compression on router R1

F、payload header compression on router R2

  • E
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