Python Institute PCET-30-01 Practice Exam - 85 Unique Questions
Latest Questions PCET-30-01 Guide to Prepare Free Practice Tests
NEW QUESTION # 35
Which are examples of white-box testing strategies?
- A. Statement coverage
- B. Path testing
- C. Mutation testing
- D. Load testing
Answer: A,B
NEW QUESTION # 36
Which are benefits of code refactoring?
- A. Guaranteed performance boost
- B. Enhanced code readability
- C. Simplified maintenance
- D. Shorter load times
Answer: B,C
NEW QUESTION # 37
What is typically verified through dynamic testing of a web application?
- A. Coding conventions
- B. Dead code
- C. Run-time behavior and UI responsiveness
- D. Comment consistency
Answer: C
NEW QUESTION # 38
Which type of test coverage metric ensures that all decision outcomes in the code are tested?
- A. Statement coverage
- B. Branch coverage
- C. Line coverage
- D. Module coverage
Answer: B
NEW QUESTION # 39
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. Test metrics tracking
- B. Static code analysis
- C. Code refactoring
- D. Regression testing
- E. Fuzz testing
Answer: A,C,D
NEW QUESTION # 40
What is the main purpose of a code walkthrough?
- A. To identify defects in source code by informal discussion
- B. To ensure customer acceptance
- C. To enforce authentication protocols
- D. To validate dynamic behavior
Answer: A
NEW QUESTION # 41
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. Unit testing
- B. Stub
- C. Stress testing
- D. Compliance testing
- E. Fake object
Answer: A,B,C
NEW QUESTION # 42
Which of the following are advantages of black-box testing?
- A. High code coverage
- B. Easy to test all paths
- C. No need for code knowledge
- D. Can validate business requirements
Answer: C,D
NEW QUESTION # 43
Which of the following best defines regression testing?
- A. Testing to confirm recent changes haven't broken existing features
- B. Testing user acceptance criteria
- C. Testing new features in isolation
- D. Testing only UI components
Answer: A
NEW QUESTION # 44
What is the typical first phase in a structured software testing process?
- A. Test execution
- B. Test planning
- C. Defect reporting
- D. Test closure
Answer: B
NEW QUESTION # 45
Which of the following best describes a test case?
- A. A code review artifact
- B. A test goal specified by the customer
- C. A summary of test outcomes
- D. A repeatable set of steps used to validate a feature
Answer: D
NEW QUESTION # 46
Which of the following testing types are considered dynamic testing?
- A. Unit testing
- B. Static code review
- C. Code walkthrough
- D. Performance testing
Answer: A,D
NEW QUESTION # 47
Which two are commonly used test metrics?
- A. Code compilation speed
- B. Test execution time
- C. Error ratio
- D. Defect density
Answer: B,D
NEW QUESTION # 48
Which features are offered by most interactive debuggers like pdb?
- A. UI validation
- B. Step-by-step execution
- C. Database connection pooling
- D. Variable inspection
Answer: B,D
NEW QUESTION # 49
A developer encounters an unexpected error in a Python function. They use pdb, inspect variables, set breakpoints, and finally resolve the issue by modifying a loop condition.
Which debugging steps were likely involved?
- A. Step into function calls
- B. Output assertion validation
- C. Logging with info-level severity
- D. Conditional breakpoint setting
- E. Trace stack analysis
Answer: A,D,E
NEW QUESTION # 50
Which of the following best describes the primary objective of software testing?
- A. To validate user interface design standards
- B. To identify and eliminate coding inefficiencies
- C. To detect discrepancies between actual and expected results
- D. To ensure the software is bug-free
Answer: C
NEW QUESTION # 51
What distinguishes verification from validation in software testing?
- A. Verification is code execution; validation is document review
- B. Verification ensures product correctness; validation ensures product usefulness
- C. Verification checks user satisfaction; validation checks performance
- D. Verification is always automated; validation is always manual
Answer: B
NEW QUESTION # 52
A team is developing a web application and introduces automated testing at the unit and integration level. They review user requirements and create test scenarios from the beginning of the project. Later, defects are detected in modules related to login and shopping cart, while other areas remain stable.
Which of the following testing principles are being effectively applied in this case?
- A. Pesticide paradox
- B. Defect clustering
- C. Testing is context dependent
- D. Exhaustive testing
- E. Early testing
Answer: B,C,E
NEW QUESTION # 53
Which of the following is a type of non-functional testing?
- A. Load testing
- B. Integration testing
- C. Regression testing
- D. Unit testing
Answer: A
NEW QUESTION # 54
Which white-box technique ensures that each possible branch in decision structures is tested?
- A. Functional coverage
- B. Statement coverage
- C. Branch coverage
- D. Boundary value analysis
Answer: C
NEW QUESTION # 55
Which document outlines the scope, objectives, and overall plan for the testing activities?
- A. Test log
- B. Test plan
- C. Test charter
- D. Test script
Answer: B
NEW QUESTION # 56
You're part of a QA team working on an e-commerce platform. Unit tests are automated, integration tests use fakes for APIs, and exploratory system testing has been scheduled. After testing, the client reviews the features to ensure business requirements are fulfilled.
Which of the following correctly match the testing levels involved in this workflow?
- A. Unit testing
- B. Static testing
- C. System testing
- D. Load testing
- E. Acceptance testing
Answer: A,C,E
NEW QUESTION # 57
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