ISTQB Certified Tester Foundation Level 2018 - CTFL-2018 Exam Questions [2026]

QUESTION NO: 1
Which of the following is NOT a valid use of decision coverage?

A. Checking that all decisions are based on a numeric value. B. Checking that all decisions have been exercised in a business process. C. Checking that all decisions have been exercised in a single program. D. Checking that at least 100% decision coverage has been achieved, as this guarantees 100% statement coverage.

Correct Answer: A

QUESTION NO: 2
Which of the following BEST describes checklist-based testing?

A. An experience-based test technique whereby the experienced tester uses a high-level list of items to be noted, checked or remembered, or a set of rules or criteria against which a product has to be verified. B. An approach to testing whereby the testers dynamically design and execute tests based on their knowledge, exploration of the test item and the results of previous tests. C. A test design technique which ensures that test cases are checked for consistency and completeness against an organisation's list of formatting rules and best practices. D. A procedure to derive and/or select test cases based on an analysis of the specification, either functional or non-functional, of a component or system without reference to its internal structure.

Correct Answer: A

QUESTION NO: 3
Tests have been specified for the latest software release and users have prioritised these.
However, there are some dependencies between tests as shown in the table below (e.g. Test ID. '123' cannot be run until Test ID. '456' has been successfully completed).

Which test execution schedule best meets the prioritisation and dependency conditions?

A. 3, 5, 7, 10, 2, 4, 6, 8, 9, 1. B. 5, 7, 4, 3, 9, 10, 1, 6, 8, 2. C. 6, 1, 2, 9, 4, 3, 5, 7, 8, 10. D. 1, 4, 3, 5, 2, 7, 9, 10, 6, 8.

Correct Answer: D

QUESTION NO: 4
When can functional and structural testing BOTH be applied?

A. System and Component test levels only. B. All 'Development' test levels, i.e. those before Acceptance testing. C. All test levels. D. Component and Component integration test levels only.

Correct Answer: C