Question

ISDN is telecommunication technology where (i) Simultaneous voice and Data (ii) Only Voice (iii) Only data (iv) Only Video

Answer 1

Answer:

The required answer is (I) Simultaneous voice and data

Explanation:

ISDN is abbreviated as the Integrated Service Digital Network which is the successor of dial up modems . Internet service providers provide high speed internet and telecommunicarion across telephone lines. It gained popularity in the late 90s .

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Answer 2

Explanation:

1) The ISDN utilizes the twisted-pair copper phone line that would originally take only one call attachment. ISDN can bring more than one link over this line at a time and a higher rate.  

2) voice = ISDN is a way of digital telephone connections, which permits filming ateliers everywhere in the United States, Canada and abroad to attach digitally with a call over celebrity working remotely in their hometown record studio.  

3) Data =ISDN is a technology that utilizes current phone lines to transfer digital signals over the economic circuit. Like a link using a modem, it is a dial-up bond.  

4) Video = ISDN was promoted as an initial design of a networking custom that was designed to provide turned multimedia information.