Which of the following are levels of test analysis?

The correct choice encompasses key components of the testing process, specifically focusing on the stages involved in preparing for testing. Test basis analysis involves examining the material that provides the basis for testing, such as requirements or design documents. Risk analysis is crucial for identifying and evaluating potential issues that could impact the project, which allows for prioritizing tests based on their significance and likelihood of occurrence. Lastly, test design involves developing test cases and strategies based on the information gathered from the previous analyses. Together, these three elements form a comprehensive approach to test analysis, ensuring that testing is thorough, targeted, and aligned with project goals.

Other choices present different aspects of testing but do not encapsulate the specific levels of test analysis. For instance, levels like functional, performance, and security focus on the different types of testing rather than the analytical stages. The unit, integration, and system choices relate to the levels of testing in a testing hierarchy, not the analysis phase itself. Lastly, planning, execution, and closure pertain to the overall testing life cycle rather than the distinct levels of analysis that feed into the detailed execution of tests.