Systems Thinking CT-ATLAS Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   What is the primary purpose of creating a system map in the context of testing and quality?

   • ATo visualize the relationships and dependencies that affect quality and testing
   • BTo document the test cases that will be executed
   • CTo provide a detailed schedule of testing activities
   • DTo assign responsibilities to team members
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2. 2application · medium

   A test leader at a software company is asked to improve the quality of a product that has a high defect rate. The test leader proposes a series of improvements: better test data management, more automated tests, and a new defect triage process. However, the test leader is concerned that these improvements might not work together as expected. Which action BEST demonstrates the application of systems thinking to this situation?

   • ACreate a system map of the current quality process, identify the relationships between the proposed changes, and simulate the potential effects before implementing.
   • BImplement the improvements one at a time and measure the impact of each, using a controlled experiment.
   • CPrioritize the improvements based on their individual cost-benefit analysis and implement them in order of ROI.
   • DImplement all improvements simultaneously to maximize the chance of success, since more changes are better.
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4. 3application · medium

   A test manager is building a system map to understand the flow of defects in a scaled agile organization. The map shows that defects found by customers are reported to the support team, who then create tickets for the development teams. The development teams fix the defects and release patches. The test manager wants to add a feedback loop to the map to show how this process influences future testing. Which element BEST represents this feedback loop?

   • AA balancing loop where customer defects are fed back into the test design process, improving test cases to prevent similar defects in the future.
   • BA reinforcing loop where customer defects lead to more patches, which lead to more regression testing, which finds more defects.
   • CA delay element showing that customer defects take a long time to reach the development team, causing a lag in the system.
   • DA stock of customer defects that accumulates over time, with an outflow of fixed defects.
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5. 4expert · hard

   A test manager at a telecom company is analyzing the feedback loop between test results and development. Currently, test results are reported as a single pass/fail percentage at the end of each sprint. Developers often do not see the details of failures until the next sprint planning meeting. The test manager wants to improve the effectiveness of this feedback loop. Which change would MOST improve the feedback loop's ability to drive continuous improvement?

   • ACreate a detailed monthly report of all test failures, categorized by module, to identify trends.
   • BProvide real-time notifications to developers when a test fails, including the specific test case and the code change that caused it.
   • CHold a weekly meeting to discuss test results with all developers, ensuring everyone is aware of the failures.
   • DIncrease the frequency of the test report from once per sprint to once per week, providing more data points.
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6. 5expert · hard

   A test manager at a software company is analyzing the feedback loop between test coverage and defect rate. The manager notices that as test coverage increases, the defect rate initially decreases, but then plateaus and even increases slightly. A system map shows that the increase in test coverage has led to longer test execution times, which has caused developers to wait longer for feedback, leading to more code changes being batched together. What is the BEST interpretation of this situation from a systems thinking perspective?

   • AThe system has a delayed feedback loop: the benefits of increased coverage are offset by the costs of longer execution times, leading to larger batches and more integration defects.
   • BThe test coverage metric is no longer useful and should be abandoned in favor of a different metric.
   • CThe system is exhibiting a balancing loop where increased coverage stabilizes the defect rate, and the slight increase is due to random variation.
   • DThe increase in test coverage is causing developers to write worse code because they rely on the tests to catch defects.
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