Multiple choice

FDM devices can operate

  1. on multipoint analog data channels

  2. more efficiently than dumb TDMs

  3. more efficiently than smart TDMs

  4. like modem sharing devices

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Frequency Division Multiplexing (FDM) divides the available bandwidth into multiple frequency bands, making it suitable for analog channels.