单选题A router is connected to an HDLC circuit via a T1 physical interface. The SLA for this link only allows for a sustained rate of 768 kb/s. Bursts are allowed for up to 30 seconds at up to line rate， with a window Tc of 125 ms. What should the Bc and Be setting be when using generic traffic shaping？（）ABe=46320000，B=96000BBe=768000，Bc=32000CBe=128000，Bc=7680DBe=0，Bc=96000
单选题
A router is connected to an HDLC circuit via a T1 physical interface. The SLA for this link only allows for a sustained rate of 768 kb/s. Bursts are allowed for up to 30 seconds at up to line rate， with a window Tc of 125 ms. What should the Bc and Be setting be when using generic traffic shaping？（）
A
Be=46320000，B=96000
B
Be=768000，Bc=32000
C
Be=128000，Bc=7680
D
Be=0，Bc=96000
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