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When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the interface clock rate determined()。

题目

A.It is supplied by the CSU/DSU.

B.It is supplied by the far end router.

C.It is determined by the clock rate command.

D.It is supplied by the Layer 1 bit stream timing.

参考答案
参考答案:A