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RAG and Vector Databases Interview Questions (Page 2) | Buncho

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Python for AI/ML75 Machine Learning Fundamentals10 ML Algorithms0 ML System Design1 Deep Learning5 Statistics and Mathematics1 Generative AI and LLMs122 Embeddings13 RAG and Vector Databases47 AI Agents and Tool Calling50 MCP0 Multimodal AI29 LLM Evaluation and Testing27 AI Safety, Ethics, and Responsible AI36 AI System Design41 Fine-Tuning25 AI Infrastructure and Scalability29 LLM Gateways0 Production AI Engineering39 AI Engineering Case Studies15

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RAG and Vector Databases interview questions

Retrieval pipelines, embeddings, and grounding.

All topics565 Python for AI/ML75 Machine Learning Fundamentals10 ML Algorithms0 ML System Design1 Deep Learning5 Statistics and Mathematics1 Generative AI and LLMs122 Embeddings13 RAG and Vector Databases47 AI Agents and Tool Calling50 MCP0 Multimodal AI29 LLM Evaluation and Testing27 AI Safety, Ethics, and Responsible AI36 AI System Design41 Fine-Tuning25 AI Infrastructure and Scalability29 LLM Gateways0 Production AI Engineering39 AI Engineering Case Studies15

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47 problems

See how often each question is asked, and which companies asked it.Part of Buncho Pro.Unlock

TitleTopicTypeTimeAsked Companies Level

Not started21.Your RAG system fails on domain-specific jargon. How do you fix it?RAG and Vector Databases · Debugging · 10 min

Asked %

Companies

RAG and Vector Databases

Debugging

10 min

Pro feature

Medium

Not started22.What are chunking strategies, and how do you choose the right chunk size?RAG and Vector Databases · Conceptual · 10 minAsked %CompaniesRAG and Vector DatabasesConceptual10 minPro featurePro featureMedium

Not started23.Your text-only RAG system now needs to handle images and tables. How do you extend it?RAG and Vector Databases · Practical exercise · 12 minAsked %CompaniesRAG and Vector DatabasesPractical exercise12 minPro featurePro featureHard

Not started24.Your enterprise RAG system returns contradictory answers from different source documents. How do you resolve conflicts?RAG and Vector Databases · Debugging · 11 minAsked %CompaniesRAG and Vector DatabasesDebugging11 minPro featurePro featureHard

Not started25.What is Contextual Retrieval, and how does it improve RAG?RAG and Vector Databases · Conceptual · 10 minAsked %CompaniesRAG and Vector DatabasesConceptual10 minPro featurePro featureMedium

Not started26.Compare RAG vs fine-tuning. When would you use each?RAG and Vector Databases · Conceptual · 9 minAsked %CompaniesRAG and Vector DatabasesConceptual9 minPro featurePro featureMedium

Not started27.Diagnose irrelevant retrieval results in a RAG pipelineRAG and Vector Databases · Debugging · 20 minAsked %CompaniesRAG and Vector DatabasesDebugging20 minPro featurePro featureMedium

Not started28.How do you optimise RAG for latency in production?RAG and Vector Databases · Practical exercise · 11 minAsked %CompaniesRAG and Vector DatabasesPractical exercise11 minPro featurePro featureMedium

Not started29.Your semantic search fails for short queries. How do you improve it?RAG and Vector Databases · Debugging · 10 minAsked %CompaniesRAG and Vector DatabasesDebugging10 minPro featurePro featureMedium

Not started30.How do you scale a RAG system to millions of documents, and keep retrieval fast on a large knowledge base?RAG and Vector Databases · Practical exercise · 12 minAsked %CompaniesRAG and Vector DatabasesPractical exercise12 minPro featurePro featureHard

Not started31.Explain the architecture of a basic RAG system and the key components of a RAG pipelineRAG and Vector Databases · Conceptual · 10 minAsked %CompaniesRAG and Vector DatabasesConceptual10 minPro featurePro featureEasy

Not started32.How do you handle multi-document and multi-hop questions in RAG?RAG and Vector Databases · Practical exercise · 12 minAsked %CompaniesRAG and Vector DatabasesPractical exercise12 minPro featurePro featureHard

Not started33.What is a vector database, and how does it differ from a traditional database?RAG and Vector Databases · Conceptual · 9 minAsked %CompaniesRAG and Vector DatabasesConceptual9 minPro featurePro featureEasy

Not started34.What is Agentic RAG?RAG and Vector Databases · Conceptual · 10 minAsked %CompaniesRAG and Vector DatabasesConceptual10 minPro featurePro featureHard

Not started35.What is hybrid search, and why is it better than pure vector search?RAG and Vector Databases · Conceptual · 9 minAsked %CompaniesRAG and Vector DatabasesConceptual9 minPro featurePro featureMedium

Not started36.How do you implement citation and source attribution in RAG?RAG and Vector Databases · Practical exercise · 10 minAsked %CompaniesRAG and Vector DatabasesPractical exercise10 minPro featurePro featureMedium

Not started37.Your RAG system returns duplicate results. How do you deduplicate?RAG and Vector Databases · Debugging · 10 minAsked %CompaniesRAG and Vector DatabasesDebugging10 minPro featurePro featureMedium

Not started38.Implement a basic RAG pipeline using an embedding model and a vector databaseRAG and Vector Databases · Practical exercise · 20 minAsked %CompaniesRAG and Vector DatabasesPractical exercise20 minPro featurePro featureMedium

Not started39.Implement a simple re-ranker for search resultsRAG and Vector Databases · Practical exercise · 15 minAsked %CompaniesRAG and Vector DatabasesPractical exercise15 minPro featurePro featureMedium

Not started40.Write code for different text chunking strategies (fixed-size, recursive, semantic)RAG and Vector Databases · Practical exercise · 18 minAsked %CompaniesRAG and Vector DatabasesPractical exercise18 minPro featurePro featureMedium

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