Which of the following is an international standard, established by the ITU, for transmitting data over digital lines?
A) LAN emulation
B) ISDN
C) SDH
D) HFC

Question

Quizplus · Accepted Answer

ISDN (Integrated Services Digital Network) is an international standard for digital transmission over ordinary telephone copper wires as well as over other media. This standard was established by the International Telecommunication Union (ITU).

Which of the Following Is an International Standard, Established by the ITU