Cost of Quality CTAL-TM Practice Questions (Page 1)

Questions 1–5

1. 1expert · hard

   A test manager is analyzing Cost of Quality data for a product line. The data shows that as the team increases its investment in prevention and appraisal activities, the cost of internal and external failures decreases, but at a diminishing rate. The total cost of quality currently forms a U-shaped curve. The team is currently operating at a point where the marginal cost of an additional hour of testing is exactly equal to the marginal savings from the defects that hour of testing prevents. What does this point represent?

   • AThe point where all defects have been eliminated from the product
   • BThe point where quality is at its highest possible level, regardless of cost
   • CThe point where the team should stop testing entirely, as further testing provides no value
   • DThe optimal level of quality investment, where total cost of quality is minimized
   Reveal Solution Discussion Select an answer first
2. 2foundation · easy

   Which of the following is a component of Cost of Quality?

   • ATraining costs for new hires
   • BAppraisal costs
   • COpportunity cost of delayed market entry
   • DProject management overhead
   Reveal Solution Discussion Select an answer first
4. 3expert · hard

   A test manager is evaluating two quality improvement proposals for a legacy system. Proposal A requires a significant upfront investment in automated testing tools and developer training, with the goal of reducing defects by 50% over the next two years. Proposal B is a cheaper, short-term fix that involves adding more manual testing in the current release cycle, reducing defects by only 10% but with immediate results. The project has a tight budget this quarter but expects higher revenue in the next fiscal year. What is the most important consideration for the test manager when making this decision?

   • AThe number of defects that will be found by each proposal, regardless of cost
   • BThe long-term return on investment of Proposal A, considering the reduced failure costs over the two-year period
   • CThe immediate budget constraint, which makes Proposal B the only viable option this quarter
   • DThe preference of the development team, who are more comfortable with manual testing
   Reveal Solution Discussion Select an answer first
5. 4application · medium

   A project is in the final stages of development. The test manager has identified that the cost of fixing a defect found during system testing is $5,000, while the cost of fixing the same defect after release is estimated at $50,000. The team is currently finding an average of 10 defects per week in system testing. What is the most compelling argument for continuing to invest in system testing?

   • ASystem testing improves the morale of the test team
   • BThe team is finding many defects, which indicates that the testing is working well
   • CSystem testing is a mandatory phase in the software development lifecycle
   • DEach defect found in system testing saves $45,000 compared to fixing it after release, so the appraisal cost is highly justified
   Reveal Solution Discussion Select an answer first
6. 5foundation · easy

   Which of the following is an example of an external failure cost?

   • ACost of fixing a defect found during user acceptance testing
   • BCost of quality audits
   • CCost of warranty claims after product release
   • DCost of test data preparation
   Reveal Solution Discussion Select an answer first