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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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更多 “What is the effect of turning on all available downstream carrier tones in a DMT DSL transmissionsystems？（）A、Downstream RS error correction effectiveness is reducedB、The downstream line rate and throughput remains unchanged， but FEC efficiency is reducedC、The upstream DSL bandwidth is reduced， since less carriers become available for upstream trafficD、The downstream DSL bandwidth is increased” 相关考题
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单选题What is the effect of turning on all available downstream carrier tones in a DMT DSL transmissionsystems？（）A
Downstream RS error correction effectiveness is reducedB
The downstream line rate and throughput remains unchanged， but FEC efficiency is reducedC
The upstream DSL bandwidth is reduced， since less carriers become available for upstream trafficD
The downstream DSL bandwidth is increased
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单选题During the modem boot process，how does the modem acquire the downstream channel？（）A
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单选题What is the use of MSDP across multiple PIM domains?（）A
It scopes multicast traffic.B
It prevents multicast routing loops.C
It advertises active multicast sources.D
It advertises RPs to all downstream routers.
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downstream serversB
PersonalizationC
reporting rollupD
synchronizations
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