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100-890 · Question #15
100-890 Question #15: Real Exam Question with Answer & Explanation
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Question
How do digital voice networks function?
Options
- AThe voice gateway can perform only a compression function
- BBoth a digital signal and noise are boosted by amplifiers
- CThe analog signal from the telephone is digitized into PCM signals by the voice codec
- DDigital voice networks convert the sound waves into electrical signals that are analogous to the
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