#2 What are the most important types of software testing?

Software testing ensures that applications function correctly, meet requirements, and are free of defects. The most important types include: Functional Testing – Validates that software functions as intended based on requirements. Includes unit, integration, system, and acceptance testing. Unit Testing – Tests individual components or modules in isolation to verify correctness. Integration Testing – Ensures different components or systems interact correctly. System Testing – Evaluates the entire system's compliance with specifications. User Acceptance Testing (UAT) – Confirms if software meets business needs before deployment. Performance Testing – Assesses speed, responsiveness, and stability under load. Security Testing – Identifies vulnerabilities and ensures data protection. Regression Testing – Ensures new changes do not break existing functionality. Usability Testing – Examines user-friendliness and experience. Compatibility Testing – Ensures software works across different devices, OS, and browsers. Each type plays a crucial role in delivering high-quality software. Know more- [Software Testing Course in Pune](https://www.sevenmentor.com/software-testing-course-in-pune.php)