ISTQB CTFL-Foundation Exam With Confidence Using Practice Dumps

The odd one out among the given options is "Functional". The other options—White box, Glass box, and Structural—refer to testing techniques that involve examining the internal structure of the application. In contrast, functional testing focuses on testing the software against its functional requirements without considering its internal structures​​.

Test planning involves defining the overall approach to testing, including setting objectives, strategies, and resources. It ensures that the level of detail in test procedures is appropriate for the subsequent test execution phase. Effective test planning helps in aligning the testing activities with the project goals and ensures that the tests are executed as per the defined procedures.

The highest level of testing independence is achieved when the testing process is performed by individuals or teams who are completely independent of the development team and the organization. Option B, which involves outsourcing test design and execution to a different company, ensures that there is no bias or influence from the development team or company politics, thereby achieving the highest level of testing independence​​.