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Module 4: Software Testing

20202m

A software organization has been assessed at SEI CMM Level 4. Which of the following does the organization need to practice beside Process Change Management and Technology Change Management in order to achieve Level 5?

(i) Defect detection
(ii) Defect prevention
(iii) Defect isolation
(iv) Defect propagation

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Solution

Correct Answer: (ii) Defect prevention

Explanation

SEI CMM Levels:

  1. Initial 2. Repeatable 3. Defined 4. Managed (Quantitative Process Management + Software Quality Management) 5. Optimizing

To go Level 4 → Level 5, three Key Process Areas (KPAs) must be added:

  • Defect Prevention
  • Technology Change Management
  • Process Change Management

Question says org is at Level 4 and already practices Process Change + Technology Change → remaining KPA is Defect Prevention.

  • Defect detection/isolation/propagation are not CMM KPAs (distractors).

Answer: (ii) Defect prevention

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