Operational testing in the acceptance test phase, typically performed in a (simulated) operational environment by operations and/or systems administration staff focusing on operational aspects, e.g., recoverability, resource-behavior, installability and technical compliance.
International Software Testing Qualifications Board. (2026). production acceptance testing. ISTQB Glossary. Retrieved October 19, 2026, from https://istqb-glossary.page/production-acceptance-testing/.
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