Signalling and communicationQuestion 130 of 1506

Which network is implemented exclusively on fibre optic cabling?

  1. Modbus
  2. FDDI
  3. RS-232C
  4. USB
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Correct answer: FDDI

FDDI is a very high-speed network.

Source: Lessons in Electric Circuits IV: Digital (Kuphaldt), 14.2: Networks and Busses

Practice signalling and communication

Questions last reviewed: 18 October 2026