Signalling and communicationQuestion 134 of 1506

What is a network protocol?

  1. The type of cable that is used to connect the nodes
  2. The standard method that decides how nodes are allowed to transmit
  3. The voltage of the power supply that feeds the nodes of the network
  4. The colour code used on the wires of the network
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Correct answer: The standard method that decides how nodes are allowed to transmit

It prevents two nodes from sending together and corrupting data.

Source: Lessons in Electric Circuits IV: Digital (Kuphaldt), 14.7: Network Protocols

Practice signalling and communication

Questions last reviewed: 18 October 2026