This digital service, offered by telephone companies, can simultaneously transmit voice and data over a single phone line, but it transfers data at a maximum of 128 Kbps.
A)DSL
B)ISDN
C)dial-up
D)cable

Question

Quizplus · Accepted Answer

ISDN (Integrated Services Digital Network) is a digital service that can transmit voice and data over a single phone line with a maximum data transfer rate of 128 Kbps.

This Digital Service, Offered by Telephone Companies, Can Simultaneously Transmit