CTFL_Syll2018 Exam Dumps : ISTQB Certified Tester Foundation Level (Syllabus 2018)

The correct matching of the descriptions with the different categories of test techniques is as follows:

• Black-box test techniques: Test cases are based on the test basis which may include the requirements, use cases and user stories (1), Test cases can show deviations from the requirements (3), These test techniques are applicable to both functional and non-functional testing (4)
• White-box test techniques: Test cases are based on the test basis which may include the software architecture or code (2)
• Experience-based test techniques: Tests are based on knowledge of developers, users and other stakeholders (5)

Therefore, option D is the correct answer. Options A, B, and C are incorrect, as they do not match the descriptions with the different categories of test techniques correctly.

References: , Section 4.2

 According to the syllabus, there are two main approaches for estimating test effort: metrics-based and expert-based. The metrics-based approach uses metrics from previous similar projects or industry data to calculate the test effort based on the size and complexity of the software under test. The expert-based approach relies on the experience and judgment of the owners of the testing tasks or subject matter experts who provide their estimates based on their knowledge of the software under test. The answer B is correct because it accurately describes the expert-based approach. The other answers are incorrect because they either confuse the metrics-based and expert-based approaches or describe them incorrectly.

References: Certified Tester Foundation Level Syllabus, Section 2.3.1, page 24-25.

100% branch coverage means 100% statement coverage, but not vice-versa. Branch coverage is a stronger criterion than statement coverage, as it requires that every possible outcome of each decision point is executed at least once. Statement coverage only requires that every executable statement is executed at least once1 explains this as follows:

Branch Coverage (also known as Decision Coverage) measures which possible branches in flow control structures are followed. Branch Coverage is a testing method, which aims to ensure that each one of the possible branch from each decision point is executed at least once and thereby ensuring that all reachable code is executed.

Statement Coverage measures the number of statements in the source code that are executed during the test. Statement Coverage is a metric, which is used to calculate and measure the number of statements in the source code which have been executed during testing.

B, C, and D are false statements. 100% statement coverage does not mean 100% branch coverage (B), as there may be some branches that are not covered by the test cases. 100% branch coverage does not mean 100% statement coverage and vice-versa ©, as branch coverage implies statement coverage but not the other way around. It is possible to achieve 100% statement coverage (D), but it may not be feasible or cost-effective for some systems.