Free ISTQB ISTQB-CTFL Exam Questions

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Total 333 Questions | Updated On: Sep 09, 2025

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Question 1

Which ONE of the following options MOST ACCURATELY describesbranch testing?

A : In branch testing, the coverage items are executable statements. The aim is to design test cases that exercise statements in the code until an acceptable level of coverage is achieved, expressed as a percentage.

B : In branch testing, the coverage items are control flow transfers between decisions, and the aim is to design test cases to exercise flow transfers in the code until an acceptable level of coverage is achieved. Coverage is measured as the number of branches exercised by the test cases divided by the totalnumber of branches expressed as a percentage.

C : In branch testing, the coverage items are branches, and the aim is to design test cases to exercise branches in the code until an acceptable level of coverage is achieved. Coverage is measured as the number of branches exercised by the test cases divided by the total number of branches expressed as a percentage.

D : In branch testing, the coverage items are executable decisions. The aim is to design test cases that exercise statements in the code until an acceptable level of coverage is achieved. Coverage is expressed as a percentage

Answer: C

Question 2

Which statement is true regarding confirmation testing and regression testing?

A : Confirmation testing confirms the quality of the test being run while regression testing ensures that the software still works after a change has been made.

B : Confirmation testing is an optional activity whilst regression testing is not negotiable.

C : Confirmation testing aims to verify that a defect has been resolved and regression testing ensuring that existing functionality still works after a change.

D : Testers' involvement is essential whilst running retesting and regression testing.

E : TESTER Involvement is essential whilst running retesting and regression testing.

Answer: C

Question 3

During which main group of test activity are the following tasks performed? •Checking test results and logs against specified coverage criteria. •Assessing the level of component or system quality based on test results and logs. •Determining whether more tests are needed. Select the correct answer:

A : Test planning.

B : Test analysis.

C : Test design.

D : Test monitoring and control.

Answer: D

Question 4

A software module to be used in a mission critical application incorporates an algorithm for secure transmission of data. Which review type is most appropriate to ensure high quality and technical correctness of the algorithm?

A : Walkthrough

B : Informal Review

C : Technical Review

D : Management Review

Answer: C

Question 5

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

Page: 1 / 67

Total 333 Questions | Updated On: Sep 09, 2025

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