Signalling and communicationQuestion 137 of 1506

What is a collision on a network?

  1. Two or more nodes transmit at the same time
  2. A node receives its own message back from the network
  3. The master fails
  4. A cable is unplugged
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Correct answer: Two or more nodes transmit at the same time

Their signals clash and the data is corrupted.

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

Practice signalling and communication

Questions last reviewed: 18 October 2026