{"blocks": [{"key": "e5e902cc", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "ac532363", "text": "What is the difference between heap and stack memory? Compare Protobuf and JSON for data serialization. Compare gRPC and traditional RPC mechanisms. When is event streaming (e.g., Kafka) appropriate? When should you use a table join in SQL? What does SQL stand for? What does CI/CD stand for?", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}