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PCET-30-01 PDF Questions and Testing Engine With 85 Questions

NEW QUESTION # 13
Which test double mimics a real implementation but has reduced complexity and is used in integration testing?

• A. Spy
• B. Stub
• C. Fake
• D. Dummy

Answer: C

NEW QUESTION # 14
In the test pyramid, which layer typically contains the largest number of tests?

• A. Unit tests
• B. Manual UI tests
• C. End-to-end tests
• D. Performance tests

Answer: A

NEW QUESTION # 15
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. Code walkthrough
• B. Dynamic testing
• C. Mutation testing
• D. Usability testing
• E. Static analysis

Answer: A,B,E

NEW QUESTION # 16
Which of the following best describes a test case?

• A. A test goal specified by the customer
• B. A summary of test outcomes
• C. A repeatable set of steps used to validate a feature
• D. A code review artifact

Answer: C

NEW QUESTION # 17
At which stage of the Software Development Lifecycle (SDLC) does testing first become relevant in modern development methodologies?

• A. Coding
• B. Design
• C. Requirements
• D. Testing

Answer: C

NEW QUESTION # 18
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

Answer: C

NEW QUESTION # 19
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. Output assertion validation
• B. Conditional breakpoint setting
• C. Logging with info-level severity
• D. Step into function calls
• E. Trace stack analysis

Answer: B,D,E

NEW QUESTION # 20
What is the main purpose of a code walkthrough?

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

Answer: D

NEW QUESTION # 21
Which document outlines the scope, objectives, and overall plan for the testing activities?

• A. Test charter
• B. Test log
• C. Test script
• D. Test plan

Answer: D

NEW QUESTION # 22
Which of the following best describes the primary objective of software testing?

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

Answer: A

NEW QUESTION # 23
Which Python module is used for structured logging in applications?

• A. debugger
• B. sys
• C. log
• D. logging

Answer: D

NEW QUESTION # 24
Which are common black-box testing techniques?

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

Answer: C,D

NEW QUESTION # 25
Which black-box testing technique divides input data into equivalent partitions for efficient test case design?

• A. Decision table testing
• B. Path coverage
• C. Equivalence partitioning
• D. Boundary value analysis

Answer: C

NEW QUESTION # 26
Which development model explicitly integrates testing in every phase of development?

• A. Agile-Wave
• B. Spiral
• C. V-Model
• D. Waterfall

Answer: C

NEW QUESTION # 27
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 # 28
What is typically verified through dynamic testing of a web application?

• A. Coding conventions
• B. Comment consistency
• C. Run-time behavior and UI responsiveness
• D. Dead code

Answer: C

NEW QUESTION # 29
Which testing level focuses primarily on verifying interactions between integrated units or modules?

• A. Acceptance testing
• B. Integration testing
• C. Unit testing
• D. System testing

Answer: B

NEW QUESTION # 30
Which benefit is most directly associated with frequent code refactoring?

• A. Improved documentation accuracy
• B. Reduced memory usage
• C. Easier debugging and future enhancements
• D. Faster runtime

Answer: C

NEW QUESTION # 31
Which Python statement is used to enforce assumptions and validate logic during development?

• A. check
• B. assert
• C. validate
• D. inspect

Answer: B

NEW QUESTION # 32
What does the principle "Defect clustering" imply in software testing?

• A. All defects are evenly spread across the application
• B. Every test case will detect at least one defect
• C. Defects always occur due to the same root cause
• D. Defects tend to be found in a small number of modules

Answer: D

NEW QUESTION # 33
Which are valid types of test coverage metrics?

• A. Variable coverage
• B. Branch coverage
• C. Module documentation coverage
• D. Path coverage

Answer: B,D

NEW QUESTION # 34
According to ISTQB-aligned testing principles, why is exhaustive testing considered impractical?

• A. It misses edge cases
• B. It can be automated fully
• C. It is time-consuming and cost-ineffective
• D. It only applies to small systems

Answer: C

NEW QUESTION # 35
What is the main advantage of using breakpoints during debugging?

• A. Automates test case execution
• B. Increases test coverage
• C. Allows execution pause for inspection
• D. Reduces code complexity

Answer: C

NEW QUESTION # 36
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 # 37
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 # 38
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