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Tasks whose deadlines are shorter than their periods should be prioritised by

  • A.utilisation
  • B.deadline monotonic assignment
  • C.rate monotonic assignment
  • D.earliest deadline first

Answer: B

Rate monotonic loses its optimality as soon as deadlines and periods part company, and ordering by relative deadline restores it. The distinction matters for a task sampled every ten milliseconds that must respond within two.

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