Question

ISDN stands for :

• A. Integrated Service Digital Network
• B. Integrated Service Distributed Network
• C. International Standard Digital Network
• D. International Standard Distributed Network

Answer 1

Answer:

A. Integrated Service Digital Network

Abbreviation of integrated services digital network, an international communications standard for sending voice, video, and data over digital telephone lines or normal telephone wires. ISDN supports data transfer rates of 64 Kbps (64,000 bits per second).