What digital technology is this?

Which digital network type uses plain-old telephone lines and was the precursor to DSL?

A) Cable modem

B) Ethernet


D) Bluetooth

E) Tin-cans and twine

The answer: C) ISDN

Basic rate Integrated Services Digital Network provides a maximum throughput of 128 kilobits per second, and works quite nicely with existing telephone wiring.

Want to know more? Watch “Network Connections.”

You can connect your network together through many different technologies. In this video, you’ll learn about dial-up networks, broadband, local area networking, Bluetooth, satellite networks, and much more.