ArouterisconnectedtoanHDLCcircuitviaaT1physicalinterfac

单项选择题

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 ，Bc = 96000
B.Be = 768000 ，Bc = 32000
C.Be = 128000 ，Bc = 7680
D.Be = 0 ，Bc = 96000

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