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单选题

Due to limitations affecting voice quality, which of the broadband speeds shown is preferred in order to achieve highest voice quality on a converged data and voice teleworker connection?()

发布日期:2022-05-31

Due to limitations affecting voice quality, which ...
A

DSL with 128k uplink /128k downlink

B

cable with 256k uplink /256k downlink

C

DSL with 128k uplink /768k downlink

D

cable with 256k uplink /1.4M downlink

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