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Operational testing refers to the evaluation of a software application prior to the production phase. Operational testing ensures system and component compliance in the application's standard operating environment (SOE).
Operational testing is applied in a specified environment during various software development life cycle (SDLC) phases for the evaluation of software syetem functionality.
Over time, software system requirements change. Introducing change to a highly complex software system often results in problematic system functionality verification.
Operational testing focuses on system implementation behavior and is preferred over verification for the following reasons:
A key operational testing feature is error detection, which ensures correct functional implementation.
Test cases are derived from a system specified test generation algorithm (TGA).