Software Quality Assurance Practice Exam

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In addition to errors, what significant aspect does a black-box tester focus on during program testing?

Usability issues
Stability issues
Infrastructure issues
Data issues

The correct answer is: Usability issues

A black-box tester primarily focuses on the functionality of the software based on the requirements and specifications, without knowing its internal workings. Among the choices provided, usability issues are significant because they pertain to how user-friendly and intuitive the software is for end users. This includes aspects such as the layout of the user interface, the clarity of instructions, and the overall satisfaction users derive from using the application. Focusing on usability helps ensure that the software not only performs its required functions but also provides a positive experience for users, which is a critical aspect of quality assurance. Proper usability testing can reveal how real users interact with the software in practice, identifying any areas that may need improvement to enhance user engagement and reduce frustration. While stability, infrastructure, and data issues are important in their respective areas, they generally fall more into the domain of other types of testing or evaluation rather than the core focus of black-box testing, which emphasizes the operational aspect from the user’s perspective.