Red Seal Electrician Practice
Signalling and communicationQuestion 140 of 1506

How does CSMA/BA settle a collision?

  1. A random timer decides which node talks first after the collision
  2. The node that holds the token wins after the collision
  3. The nearest node to the master wins after the collision
  4. Pre-set priority numbers decide which node talks first
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Correct answer: Pre-set priority numbers decide which node talks first

Each node has a rank.

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

Practice signalling and communication

Questions last reviewed: 18 October 2026