Free ISTQB ISTQB-CTFL Exam Questions

Become ISTQB Certified with updated ISTQB-CTFL exam questions and correct answers

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Total 403 Questions | Updated On: Jan 29, 2026

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Question 1

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 2

Which of the following provides the BEST description of statement coverage?

A : A white-box test technique which covers the decision results which determine the next statement to be executed

B : A black-box test technique which uses a state table to derive test cases

C : A white-box test technique which focuses on the percentage of executable statements that has been executed by a test suite

D : An experience-based test technique in which test cases are based on the tester's knowledge of past failures

Answer: C

Question 3

Which of the following answers describes a reason for adopting experience-based testing techniques?

A : Experience-based test techniques provide more systematic coverage cnteria than black-box and white-box test techniques

B : Experience-based test techniques completely rely on the tester's past experience for designing test cases.

C : Experience-based test techniques allow designing test cases that are usually easier to reproduce than those designed with black-box and white-box test techniques.

D : Experience-based test techniques tend to find defects that may be difficult to find with black-box and white-box test techniques and are often useful to complement these more systematic techniques.

Answer: D

Question 4

Which of the following exemplifies how a software bug can cause harm to a company?

A : "Print" prints the last page twice for a file with 1000 pages

B : The timeout on the login page of a web site is 9 minutes, while the requirement was for 10 minutes

C : When uninstalling the application, the uninstall dialog has a spelling mistake

D : When calculating the final price in a shopping list, the price of the last item is not added

Answer: D

Question 5

A requirement specifies that if the total amount of sales (TAS) made during the year by a corporate seller is 300,000€ or more, the bonus that must be paid to the seller is 100% of a certain amount agreed upon at the beginning of the year. The software contains a fault as it implements this requirement with the decision "IF (TAS = 300,000)" instead of "IF (TAS >= 300.000)". The application of the 3-value boundary value analysis to this problem consists of the following three test cases (TAS is an integer variable): TC1 = 299,999 TC2=300,000 TC=300,001 Which of the following statements is TRUE?

A : TC1 would highlight the fault

B : TC2 would highlight the fault

C : TC3 would highlight the fault

D : None of the three test cases would highlight the fault.

Answer: B

Page: 1 / 81

Total 403 Questions | Updated On: Jan 29, 2026

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