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Module 5: Software Maintenance

20212m

Maintenance testing is performed using which methodology?

(i) Retesting
(ii) Sanity testing
(iii) Breadth test and depth test
(iv) Confirmation testing

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Solution

Correct Answer: (iii) Breadth test and depth test

Explanation

Maintenance testing (after bug fix/enhancement) uses:

  • Breadth test - test entire system / affected areas broadly
  • Depth test - test modified part deeply

Plus Retesting + Regression testing and Confirmation testing are components, but Breadth and depth is the specific methodology pair taught for maintenance testing in Pressman/Jalote curriculum. Retesting alone (i) or Sanity (ii) are subsets.

Answer: (iii) Breadth test and depth test

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