📝 Question
#2662
Integrated Services Digital Network (ISDN) can be classified into ____________ and _________ ISDN.
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Correct Answer
A. Wide band, Narrow band
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Explanation
Narrowband ISDN was implemented to make digital telephone systems more impactful over analog telephone systems. It utilizes narrow band of frequencies. Narrowband is also known as Normal-ISDN. Broadband ISDN on the other hand, is a standard for transmitting voice data on larger frequency bands.
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