How to retake a quiz?
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Can you clarify what kind of quiz you would like to retake? On Academy Online, you can retake any quiz as many times as you like; just go back to the lesson and start it again. If you mean Appian Credentials, you can retake the exam after 30 days. See the credentials FAQs for more information.
Sorry but i'm experiencing problems in repeating quiz about Personas, I've tried to restart the lesson but it doesn't work