{"blocks": [{"key": "984778bf", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "304545fd", "text": "What are the key components of a modern machine-learning infrastructure stack and how do they interact? Describe how you would design a scalable feature store to support both offline training and real-time inference. Explain strategies to ensure reproducibility and versioning of data, code, and models in an ML pipeline. How would you monitor and troubleshoot production ML services for latency, drift, and model degradation?", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}