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Free Python Institute PCET-30-01 Exam Question Practice Exams
NEW QUESTION # 51
Which of the following are key software testing principles?
- A. Absence of errors implies usability
- B. Early testing saves time and money
- C. Testing can prove software is correct
- D. Testing is context dependent
Answer: B,D
NEW QUESTION # 52
Which two Python methods are typically used for debugging information?
- A. logging.debug()
- B. sys.exit()
- C. print()
- D. repr()
Answer: A,C
NEW QUESTION # 53
Which development model explicitly integrates testing in every phase of development?
- A. Agile-Wave
- B. V-Model
- C. Spiral
- D. Waterfall
Answer: B
NEW QUESTION # 54
What kind of testing aims to validate that software meets legal, regulatory, and policy requirements?
- A. Usability testing
- B. Regression testing
- C. Compliance testing
- D. Integration testing
Answer: C
NEW QUESTION # 55
Which are examples of white-box testing strategies?
- A. Path testing
- B. Load testing
- C. Statement coverage
- D. Mutation testing
Answer: A,C
NEW QUESTION # 56
Your QA team reviews a Python application. You conduct a peer review and use a linter to enforce style compliance. Later, test cases are executed, and certain modules are observed to crash under specific inputs.
Which practices have been applied in this workflow?
- A. Usability testing
- B. Code walkthrough
- C. Dynamic testing
- D. Mutation testing
- E. Static analysis
Answer: B,C,E
NEW QUESTION # 57
Which of the following are benefits of using assertions in test code?
- A. Helps identify bugs early
- B. Increases runtime performance
- C. Validates assumptions
- D. Acts as a try-except block
Answer: A,C
NEW QUESTION # 58
Which Python refactoring strategy helps eliminate duplicate code?
- A. Removing assertions
- B. Modifying type hints
- C. Extracting reusable functions
- D. Adding new branches
Answer: C
NEW QUESTION # 59
In black-box testing, testers primarily focus on:
- A. Source code logic
- B. Code statements
- C. Database structures
- D. Functional specifications
Answer: D
NEW QUESTION # 60
Your team is testing a machine learning model deployed as a microservice. Unit tests are written using stubs. Integration tests are performed with fake models. Stress tests check service behavior under data overload.
Which types of testing and doubles are being used here?
- A. Stress testing
- B. Stub
- C. Unit testing
- D. Fake object
- E. Compliance testing
Answer: A,B,C
NEW QUESTION # 61
Which activities fall under static testing?
- A. Code execution
- B. Peer review
- C. Test script running
- D. Code inspection
Answer: B,D
NEW QUESTION # 62
Which test double mimics a real implementation but has reduced complexity and is used in integration testing?
- A. Stub
- B. Spy
- C. Dummy
- D. Fake
Answer: D
NEW QUESTION # 63
You're maintaining legacy code with nested conditionals and duplicate logic. You introduce new functions, reduce complexity, and verify behavior with automated tests. Metrics like coverage and defect density are monitored.
Which of the following are key activities in this process?
- A. Code refactoring
- B. Static code analysis
- C. Regression testing
- D. Test metrics tracking
- E. Fuzz testing
Answer: A,C,D
NEW QUESTION # 64
What does the principle "Defect clustering" imply in software testing?
- A. Every test case will detect at least one defect
- B. Defects tend to be found in a small number of modules
- C. Defects always occur due to the same root cause
- D. All defects are evenly spread across the application
Answer: B
NEW QUESTION # 65
Which of the following activities typically occur during the test execution phase?
- A. Writing test plans
- B. Creating test cases
- C. Comparing actual vs expected results
- D. Logging defects
Answer: C,D
NEW QUESTION # 66
Which type of test coverage metric ensures that all decision outcomes in the code are tested?
- A. Module coverage
- B. Branch coverage
- C. Statement coverage
- D. Line coverage
Answer: B
NEW QUESTION # 67
During testing of a finance app, testers notice that repeating the same test cases no longer uncovers new defects. They shift strategy to exploratory testing and user-based feedback.
Which testing concepts or principles are demonstrated?
- A. Pesticide paradox
- B. Black-box testing
- C. Defect clustering
- D. Validation
- E. Experience-based testing
Answer: A,D,E
NEW QUESTION # 68
Which of the following testing types are considered dynamic testing?
- A. Code walkthrough
- B. Static code review
- C. Performance testing
- D. Unit testing
Answer: C,D
NEW QUESTION # 69
What distinguishes verification from validation in software testing?
- A. Verification is code execution; validation is document review
- B. Verification is always automated; validation is always manual
- C. Verification checks user satisfaction; validation checks performance
- D. Verification ensures product correctness; validation ensures product usefulness
Answer: D
NEW QUESTION # 70
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