What is White Box Testing primarily concerned with?

• A. External user interfaces of the application
• B. Internal structure, design, and coding of the software
• C. Automation of test cases
• D. Documentation of testing procedures

Answer: (B)

White Box Testing is primarily focused on the internal structure, design, and coding of the software. This type of testing provides insight into the internal workings of an application, allowing testers to verify the code paths, control flow, and logic used within the application. By examining the internal mechanisms, testers can assess how the software functions and identify potential vulnerabilities or areas that require optimization.

This approach allows for a more thorough examination of the program since it evaluates how different components interact at a low level, including the logic behind algorithms and the handling of data within the application. It also enables testers to create test cases that target specific functions and branches of the code, ensuring that all parts of the application are thoroughly tested.

In contrast, other options focus on different aspects of software testing. For instance, analyzing external user interfaces pertains more to Black Box Testing, which emphasizes user experience without considering the internal structures. Automation of test cases and documentation of testing procedures, while important, do not capture the essence of what White Box Testing encapsulates, which is a deep dive into the software's internal implementation.