单项选择题

A.Downstream RS error correction effectiveness is reduc……

What is the effect of turning on all available downstream carrier tones in a DMT DSL transmissionsystems？（）

A.Downstream RS error correction effectiveness is reduced
B.The downstream line rate and throughput remains unchanged， but FEC efficiency is reduced
C.The upstream DSL bandwidth is reduced， since less carriers become available for upstream traffic
D.The downstream DSL bandwidth is increased

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单项选择题WhichstatementisFALSEconcerningtheinterleavedepthvalue？（）

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