多选题What are two design guidelines for VoIP networks？（）ADelay should be no more than 10 ms.BLoss should be no more than 1 percent.CJitter should be less then 40 ms.DManaged bandwidth is strongly recommended for voice control traffic.
多选题
What are two design guidelines for VoIP networks？（）
A
Delay should be no more than 10 ms.
B
Loss should be no more than 1 percent.
C
Jitter should be less then 40 ms.
D
Managed bandwidth is strongly recommended for voice control traffic.
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