Test Automation Purpose, Benefits, and Limitations Questions

Understanding what test automation is and why it's valuable in modern QA processes. Knowing the primary benefits: repeatability, speed, reliability, and ability to run extensive test suites frequently. Recognizing limitations and challenges: maintenance overhead, implementation complexity, and unsuitability for exploratory or user experience testing. Understanding that not all testing should be automated and that automation is an investment requiring ROI analysis. Knowing regression testing as a primary use case where automation provides significant value.