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Which drawback does a time triggered network have?

  • A.Bandwidth is reserved whether or not it is used
  • B.Unpredictable latency, which follows from the contention between the nodes attempting to transmit simultaneously
  • C.None
  • D.Reduced efficiency, since a slot allocated to a node that has nothing to send is wasted for that cycle entirely

Answer: A

Reserved slots are wasted when a node has nothing to send, which is the price of determinism. The last option explains exactly that inefficiency, which makes it a correct and more detailed version. Reading the definition literally, rather than recalling a summary, avoids the usual confusion. The shared behaviour explains why these belong together and the differences explain why both exist. Naming the cost of a choice alongside its benefit is what turns a fact into a design decision.

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