What is the primary difference between 'validation' and 'verification' in the SIS lifecycle?
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A
Validation checks that the design meets the SRS; verification confirms the SIS meets user needs in the actual application
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B
Verification checks that the SIS meets the SRS; validation confirms the SIS meets user needs in the actual application
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C
Validation and verification are interchangeable terms in IEC 61511
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D
Verification is required by law; validation is optional