ITPEC FE Morning April 2021 Question 49
ITPEC FE Morning April 2021 — Question 49 of 80
Integration Test — verifies interfaces between two or more modules or subsystems.
Testing levels in order:
- •Unit test — tests a single module in isolation
- •Integration test — tests interfaces and interactions between combined modules
- •System test — tests the complete integrated system against requirements
- •Acceptance test — validates the system meets business/user needs (done by the customer)
- •Operational test — verifies the system works in a production-like environment (backups, recovery, monitoring)
Why not others:
- (a) Acceptance test — performed by the customer to validate business requirements
- (c) Operational test — focuses on production readiness, not module interfaces
- (d) Unit test — tests a single module, not the interaction between modules
Key rule: "Interfaces between modules" = Integration test.
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