Free ISTQB CTFL-Foundation Exam Actual Questions

The questions for CTFL-Foundation were last updated On Apr 17, 2025

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Question No. 1

Which one of the following statements about testing techniques is TRUE?

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Correct Answer: C

Specification-based techniques, also known as black-box techniques, derive test cases from the specifications or requirements of the system. These techniques can be particularly useful when the test basis (such as documentation or requirements) is poorly defined or incomplete, as they provide a structured approach to testing based on the available specifications. This ensures that testing can proceed even when detailed documentation is lacking, helping to identify defects related to missing or incorrect functionality.


Question No. 2

Which of the following terms is used to describe the management of software components comprising an integrated system?

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Correct Answer: A

Incident management is the collection and processing of incidents raised when errors and defects are discovered. Test monitoring identifies the status of the testing activity on a continuous basis. Risk management identifies, analyses and mitigates risks to the project and the product. Configuration management is concerned with the management of changes to software components and their associated documentation and testware.


Question No. 3

Which of the following statements BEST describes the difference between testing and debugging?

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Correct Answer: B

Testing and debugging are two distinct activities in the software development process. Testing, particularly dynamic testing, involves executing the software to identify failures caused by defects. It aims to find and document defects. Debugging, on the other hand, is the process of diagnosing and fixing the root causes of the failures identified during testing. According to the ISTQB CTFL Syllabus, testing demonstrates the presence of defects, while debugging addresses and removes these defects.


Question No. 4

Important consequences of the impossibility of complete testing are:

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Correct Answer: D

The impossibility of complete testing has several significant consequences:

It means that we can never be completely sure that the software is free of bugs (A).

Without a definite stopping point, it becomes easier for some managers to justify minimal testing efforts (B).

Since every testing task requires time and resources, it becomes challenging to determine which tasks are always necessary (C). These points highlight the need for a balanced and risk-based approach to testing, where priorities are set based on the context and criticality of the software being tested.


Question No. 5

Complete statement and branch coverage means..?

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Correct Answer: B

Complete statement and branch coverage means that you have tested every statement and every branch in the program. Statement coverage ensures that every executable statement in the code is executed at least once, while branch coverage ensures that every possible path (true and false conditions) through the program's branches (such as IF statements) is executed. Achieving both covers a significant portion of the code, providing a thorough validation of its logic. Reference: ISTQB CTFL Syllabus V4.0, Section 4.3.2.