100% Free ISTQB CTFL-Foundation Practice Test Questions and Answers 2026

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Total 339 Questions | Updated On: May 23, 2026

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Question 1

Which of the following best describes the Black-box technique?

A : It uses decision coverage for completeness.

B : t ensures all possible branches in the code are tested

C : It is based on the internal structure of the sy

D : It can be done without reference to the internal structure of the component or system.

Answer: D

Question 2

Which of the following characteristics is most likely to promote effective software testing?

A : Independence from the production process

B : A belief that programmers always make mistakes

C : Knowledge of the number of defects typically found in a program

D : Confidence that the next stage will find defects missed at this stage

Answer: A

Question 3

Which of the following is not decided in the test-planning phase?

A : Schedules and deliverables

B : Hardware and software

C : Entry and exit criteria

D : Types of test cases

Answer: D

Question 4

What do you mean by “Having to say NO”..?

A : No, the problem is not with testers

B : No, the software is not ready for production

C : Both a & b

D : None of the above

Answer: B

Question 5

A booking system for a city bus service prices its fares according to the time of travel:Peak-time tariff starts at 0600 and finishes at 1000 amOff-peak tariff applied during all other times of servicesThe bus service does not operate between 2300 and the start of the next day’s peak serviceNote that all times mentioned are inclusive.When applying the equivalence partitioning test design technique, which of the following options shows testcase inputs that each fall into a different equivalence partition?

A : 0600; 1000; 1200

B : 1001; 1300; 2259

C : 0100; 0800; 2200

D : 2400, 1000, 2301

Answer: B

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Total 339 Questions | Updated On: May 23, 2026

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