[UPDATED] Python Institute PCET-30-01 Certification Exam Questions
Quickly and Easily Pass Python Institute Exam with PCET-30-01 real Dumps
NEW QUESTION # 21
Which of the following best describes the relationship among error, defect, and failure?
- A. Failure leads to defect, which leads to error
- B. Error leads to failure, which leads to defect
- C. Error leads to defect, which may lead to failure
- D. Defect leads to error, which causes failure
Answer: C
NEW QUESTION # 22
Which level of testing is performed by end-users to validate business requirements before release?
- A. System testing
- B. Integration testing
- C. Acceptance testing
- D. Unit testing
Answer: C
NEW QUESTION # 23
Which of the following is a characteristic of white-box testing?
- A. Testing based on specifications only
- B. No dependency on logic coverage
- C. Tester is unaware of internal structure
- D. Requires knowledge of source code
Answer: D
NEW QUESTION # 24
Which two Python methods are typically used for debugging information?
- A. sys.exit()
- B. print()
- C. logging.debug()
- D. repr()
Answer: B,C
NEW QUESTION # 25
Which of the following are advantages of integrating testing early in SDLC?
- A. Improved documentation
- B. Early bug detection
- C. Improved test coverage
- D. Reduced developer workload
Answer: B,C
NEW QUESTION # 26
Which two testing principles focus on cost-effectiveness and strategic testing?
- A. Testing must be done by developers only
- B. Exhaustive testing is impossible
- C. Defect clustering
- D. Testing shows the presence of defects
Answer: B,C
NEW QUESTION # 27
What are benefits of following the test pyramid strategy?
- A. Slower testing cycles
- B. Reduced code coverage
- C. Early defect detection
- D. Lower maintenance cost
Answer: C,D
NEW QUESTION # 28
At which stage of the Software Development Lifecycle (SDLC) does testing first become relevant in modern development methodologies?
- A. Coding
- B. Testing
- C. Design
- D. Requirements
Answer: D
NEW QUESTION # 29
Which of the following are advantages of black-box testing?
- A. Easy to test all paths
- B. No need for code knowledge
- C. High code coverage
- D. Can validate business requirements
Answer: B,D
NEW QUESTION # 30
Which of the following activities is considered dynamic testing?
- A. Style guide analysis
- B. Peer review
- C. Walkthrough
- D. Executing test scripts
Answer: D
NEW QUESTION # 31
Which of the following best describes code refactoring?
- A. Fixing bugs
- B. Writing integration tests
- C. Adding new features
- D. Changing code structure without affecting behavior
Answer: D
NEW QUESTION # 32
Which two types of issues can typically be detected by static analysis tools?
- A. Naming convention violations
- B. Missed validation checks
- C. Unreachable code
- D. Runtime exceptions
Answer: A,C
NEW QUESTION # 33
Which Python statement is used to enforce assumptions and validate logic during development?
- A. assert
- B. validate
- C. inspect
- D. check
Answer: A
NEW QUESTION # 34
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 # 35
Which test double mimics a real implementation but has reduced complexity and is used in integration testing?
- A. Fake
- B. Dummy
- C. Stub
- D. Spy
Answer: A
NEW QUESTION # 36
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. Static analysis
- C. Dynamic testing
- D. Code walkthrough
- E. Mutation testing
Answer: B,C,D
NEW QUESTION # 37
In the test pyramid, which layer typically contains the largest number of tests?
- A. Performance tests
- B. End-to-end tests
- C. Manual UI tests
- D. Unit tests
Answer: D
NEW QUESTION # 38
What kind of testing aims to validate that software meets legal, regulatory, and policy requirements?
- A. Usability testing
- B. Compliance testing
- C. Regression testing
- D. Integration testing
Answer: B
NEW QUESTION # 39
Which of the following are key software testing principles?
- A. Testing can prove software is correct
- B. Early testing saves time and money
- C. Absence of errors implies usability
- D. Testing is context dependent
Answer: B,D
NEW QUESTION # 40
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. Fake object
- B. Compliance testing
- C. Unit testing
- D. Stress testing
- E. Stub
Answer: C,D,E
NEW QUESTION # 41
Which test double type is specifically used to verify how a system interacts with its dependencies?
- A. Dummy
- B. Spy
- C. Fake
- D. Stub
Answer: B
NEW QUESTION # 42
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