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ISTQB-Foundation -chapter4-question29

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4.3 White-box Test Techniques

FL-4.3.3 (K2) Explain the value of white-box testing

        2. How can white-box testing be useful in support of black-box testing?

a) White-box coverage measures can help testers evaluate black-box tests in terms of the code coverage achieved by these black-box tests  

b) White-box coverage analysis can help testers identify unreachable fragments of the source code 

c) Branch testing subsumes black-box test techniques, so achieving full branch coverage guarantees achieving full coverage of any black-box technique       

d)  White-box test techniques can provide coverage items for black-box techniques 

Answer Explanation