Which of the following is a standard category of software maintenance according to ISO/IEC 14764? (Select all that apply)

### Why this is right - **Testing tools** are named as a testing topic. - **Test case management** is also included in the testing unit. - **Maintenance organization** and **types of maintenance** are maintenance topics. ### The concept The unit also includes testing fundamentals, testing strategies, several testing approaches, and maintenance reports. Cost estimation and the Constructive Cost Model (COCOMO) belong to software metrics in the course outline. ### The other options - **E. Cost estimation using COCOMO**: Cost estimation is in the metrics unit, not the testing and maintenance unit. ### Terms - **Test case management**: Organizing test cases and their use in testing. - **Maintenance organization**: The arrangement of work and responsibilities for software maintenance. ### Remember Testing tools and test cases support evaluation; maintenance organization supports post-development work.