Final answer:
Integration level testing is performed to expose defects in the interfaces and in the interaction between integrated components.
Step-by-step explanation:
The correct answer is B. Integration Level Testing. Integration level testing is performed to expose defects in the interfaces and in the interaction between integrated components. It validates that the components are working together correctly as a whole system. This type of testing occurs after the unit level testing of individual components and before the system level testing of the entire system.