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What is the main purpose of integration testing in software development?

easy📝 Conceptual Q11 of 15
Testing Fundamentals - Testing Types and Levels
What is the main purpose of integration testing in software development?
ATo test the software's performance under load
BTo test individual functions or methods in isolation
CTo verify the final system meets user requirements
DTo check if different modules work together correctly
Step-by-Step Solution
Solution:
  1. Step 1: Understand integration testing scope

    Integration testing focuses on testing combined parts or modules of software to ensure they work together.
  2. Step 2: Differentiate from other testing types

    Unit testing checks individual parts, system testing checks the whole system, and performance testing checks speed/load.
  3. Final Answer:

    To check if different modules work together correctly -> Option D
  4. Quick Check:

    Integration testing = module interaction check [OK]
Quick Trick: Integration testing checks module connections, not single parts [OK]
Common Mistakes:
  • Confusing integration testing with unit testing
  • Thinking integration testing is the final system test
  • Mixing integration testing with performance testing

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