Free ISTQB ISTQB-CTFL Exam Questions

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Total 403 Questions | Updated On: Oct 28, 2025

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Question 1

Which of the following BEST distinguishes the terms "validation" and "verification"?

A : Verification is confirmation through the provision of objective evidence that the specified requirements have been met while validation is confirmation through the provision of objective evidence that the requirements for a specific intended use have been met

B : Verification is confirmation through the provision of subjective evidence that the specified requirements have been met while validation is confirmation through the provision of subjective evidence that thedesigns for a specific intended use have been met

C : Validation is confirmation through the provision of objective evidence that the specified requirements have been met while verification is confirmation through the provision of objective evidence that the requirements for a specific intended use have been met

D : Validation is confirmation through the provision of subjective evidence that the specified requirements have been met while verification is confirmation through the provision of subjective evidence that the designs for a specific intended use have been met

Answer: A

Question 2

You are responsible for applying the correct technique for a review of the requirements document for a project to develop a new software application. You identify the reviewers and the required roles, including the meeting leader, who is the requirements document author, and a separate role for a scribe. Additionally, you decide to take a relatively informal approach to the requirements review. The goal of the review is to find defects in the requirements document, such as omissions, Inconsistencies, and duplications. Another goal of the review is to improve the software application's usability and accessibility by considering the various stakeholders' viewpoints. Which of the following statements BEST describes this scenario?

A : This scenario is using a pair review type and a perspective-based review technique

B : This scenario is using a walkthrough review type and a checklist-based review technique

C : This scenario is using a walkthrough review type and a perspective-based review technique

D : This scenario is using a pair review type and a checklist-based review technique

Answer: C

Question 3

4 equivalence classes are given for integer values:0 < x

A : 50; 100; 200. 1000

B : 0. 1.99, 100.200,201.499, 500;

C : 0.50; 100; 150.200.350.500;

D : 50; 100; 250; 1000

Answer: C

Question 4

4 equivalence classes are given for integer values:0 < x

A : 50; 100; 200. 1000

B : 0. 1.99, 100.200,201.499, 500;

C : 0.50; 100; 150.200.350.500;

D : 50; 100; 250; 1000

Answer: C

Question 5

During component testing of a program if 100% decision coverage is achieved, which of the following

coverage criteria is also guaranteed to be 100%?

A : 100% Stale transition coverage

B : 100% Equivalence class coverage

C : 100% Boundary value coverage

D : 100% Statement coverage

Answer: D

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Total 403 Questions | Updated On: Oct 28, 2025

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