Frequently Asked Questions
What this playlist answers
5 questions this playlist covers — skim
them for a quick takeaway, or dive into the videos above for the full picture.
Software testing is the process of evaluating applications to verify they meet requirements and function correctly. Testers execute test cases, identify defects, and validate that software behaves as expected before release.
Testing identifies defects and unexpected behavior in software, while debugging is the process of finding and fixing the root cause of those defects. Testers detect issues; developers fix them.
The Software Development Lifecycle (SDLC) is the structured process of planning, building, and releasing software. Testing occurs throughout the SDLC to catch defects at each stage before they become more costly to fix.
In Waterfall, testing occurs after development in a sequential phase. In Agile, testing is continuous and integrated into each sprint, allowing testers to validate features as they are built and providing faster feedback.
Testing levels include unit testing (individual functions), integration testing (module interactions), system testing (the complete application), and acceptance testing (verification against business and user requirements).
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