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Comparing testing with analysis as a way of establishing that deadlines are met, testing

  • A.is required by every safety standard in place of analysis
  • B.cannot cover the worst phasing of releases
  • C.is more rigorous
  • D.gives the same guarantee at lower cost

Answer: B

The number of possible phasings is enormous and the worst one may occur once a year, so testing establishes only that the system has not yet failed. Analysis proves the bound and testing validates the inputs to it, which is why both are used.

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