Your question is Chatbot Service with Efficient Caching. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
System design for a chatbot service handling user questions about finding features on the website (candidate proposed Redis caching of the most common requests).
Asked in the Power Day system design stage. Explain how you would design the end-to-end service, including request handling, retrieval, response generation, caching, evaluation, and failure handling. Clarify missing scale, latency, availability, freshness, and compliance requirements before committing to an architecture.