Your question is System Design for RAG Video Tutor. 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).
Why did you use this technology for your project, why not the alternatives, and how does it work internally? (deep dive into RAG-based video teaching assistant project)
Asked in the Technical interview stage. Resume project follow-ups.
Explain the end-to-end system, including video ingestion, transcription, chunking, embeddings, retrieval, prompt construction, generation, evaluation, and serving. Justify each major technology choice against plausible alternatives, and discuss latency, cost, factual grounding, data quality, monitoring, and failure recovery.