What is the difference between "unit testing," "integration testing," and "system testing"?
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Incorrect.
The correct answer is A) Unit testing verifies individual components or functions in isolation; integration testing verifies that multiple components work correctly together; system testing verifies the complete, integrated system against overall requirements
Correct Answer
Unit testing verifies individual components or functions in isolation; integration testing verifies that multiple components work correctly together; system testing verifies the complete, integrated system against overall requirements
These testing levels form a hierarchy of increasing scope — from testing small isolated pieces (units), to verifying interactions between components (integration), to validating the whole system against requirements (system testing).