Software Quality Assurance Practice Exam

Which statement best describes the nature of black-box testing?

1. It focuses on the internal workings of the software.

2. It examines the system without knowledge of internal code.

3. It requires testing to only cover valid outcomes.

4. It is primarily user-driven testing.

The correct answer is: It examines the system without knowledge of internal code.

The statement that black-box testing examines the system without knowledge of internal code accurately captures the nature of this testing method. In black-box testing, the tester interacts with the software without any understanding of its internal implementation or source code. The focus is on input and output, assessing whether the software behaves as expected based on requirements and specifications. This approach allows testers to evaluate functionality from an end-user perspective, ensuring the application meets user needs and works correctly under various conditions, regardless of how the code is structured or operates internally. While other statements touch on aspects related to testing, they do not specifically encapsulate the essence of black-box testing as effectively as the correct choice does. This method focuses on functional aspects rather than technical specifics, making it a crucial technique in validating software from a user standpoint, which is vital for ensuring quality and usability.