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None of the following is a valid reason to prefer fixed priority scheduling except

  • A.it eliminates priority inversion entirely
  • B.its behaviour under overload is predictable
  • C.its utilisation bound is higher than that of the dynamic schemes
  • D.it requires no priority assignment to be made

Answer: B

Graceful degradation, with the least important work shed first, is the fixed priority scheme's genuine advantage. Its bound is lower, an assignment must still be chosen, and inversion afflicts it as much as any other scheme.

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