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Question:
A benefit of ISDN through a public switched telephone network is which of the following?
A
ISDN is faster.
explanation
ISDN has over the PSTN is its speed. ISDN are able to associate with 64 Kbps channels for a higher level of transfer speeds than the PSTN are able to deliver. ISDN is no more or less trustworthy than the PSTN. Compared with ISDN, the PSTN is known as the cost-efficient way
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