Which of the Following Is a Digital Transmission System That

question 25

Multiple Choice

Which of the following is a digital transmission system that defines circuits that operate at different rates, all of which are multiples of the basic 64 Kbps used to transport a single voice call?

• A) Digital subscriber line
• B) Asynchronous transfer mode
• C) Synchronous optical network
• D) T-carrier system
• E) ISDN

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