Python Institute PCET-30-01 問題練習

Question No : 1
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

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Question No : 2
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.Fake object
• C.Compliance testing
• D.Stub
• E.Stress testing

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Question No : 3
Which of the following are advantages of black-box testing?

• A.No need for code knowledge
• B.Can validate business requirements
• C.Easy to test all paths
• D.High code coverage

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Question No : 4
Which logging level indicates the most severe issue?

• A.DEBUG
• B.WARNING
• C.ERROR
• D.CRITICAL

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Question No : 5
Which of the following best describes the relationship among error, defect, and failure?

• A.Error leads to failure, which leads to defect
• B.Failure leads to defect, which leads to error
• C.Error leads to defect, which may lead to failure
• D.Defect leads to error, which causes failure

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Question No : 6
What are common advantages of using logging over print statements?

• A.Adjustable severity levels
• B.Centralized message management
• C.Shorter syntax
• D.Skips need for file I/O

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Question No : 7
What is the main purpose of a code walkthrough?

• A.To validate dynamic behavior
• B.To ensure customer acceptance
• C.To identify defects in source code by informal discussion
• D.To enforce authentication protocols

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Question No : 8
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.Experience-based testing
• D.Defect clustering
• E.Validation

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Question No : 9
Which of the following is a type of non-functional testing?

• A.Unit testing
• B.Load testing
• C.Regression testing
• D.Integration testing

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Question No : 10
Which of the following best describes the primary objective of software testing?

• A.To ensure the software is bug-free
• B.To identify and eliminate coding inefficiencies
• C.To detect discrepancies between actual and expected results
• D.To validate user interface design standards

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Question No : 11
Why is software testing essential in modern development practices?

• A.It accelerates product launch without risk
• B.It ensures security and performance compliance
• C.It validates that requirements are implemented correctly
• D.It prevents the need for refactoring

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Question No : 12
Which white-box technique ensures that each possible branch in decision structures is tested?

• A.Boundary value analysis
• B.Statement coverage
• C.Branch coverage
• D.Functional coverage

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Question No : 13
Which of the following testing types are considered dynamic testing?

• A.Static code review
• B.Performance testing
• C.Unit testing
• D.Code walkthrough

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Question No : 14
Which are common black-box testing techniques?

• A.Equivalence partitioning
• B.Statement coverage
• C.Decision table testing
• D.Path testing

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Question No : 15
Which two are examples of white-box testing techniques?

• A.Code path analysis
• B.Boundary value analysis
• C.Statement coverage
• D.Equivalence partitioning

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