Part I: RAG Fundamentals
1. The RAG Questions Every Interview Starts With 2. Chunking Questions That Expose Shallow Understanding 3. Embeddings and Vector Search Questions Interviewers Ask 4. Retrieval Questions Every RAG Engineer Should Know 5. Generation and Grounding Questions Interviewers Ask
Part II: Retrieval and Ranking Failure Scenarios
6. Can You Diagnose a Retrieval Failure? 7. Can You Debug Hybrid Search and Reranking? 8. Retrieval Metrics Interviewers Expect You to Understand
Part III: Generation, Grounding, and Trust
9. What If Retrieval Was Correct but the Answer Was Wrong? 10. Prompt and Output-Control Interview Scenarios 11. How Would You Make RAG Answers Trustworthy?
Part IV: RAG System Design and Architecture
12. Design an Enterprise RAG Assistant 13. System Design Variants You May Be Asked 14. Architecture Trade-Off Questions
Part V: RAG Evaluation, Observability, Performance, and Cost
15. How Would You Evaluate a RAG System 16. Evaluation Failure Scenarios 17. What Would You Trace for Every RAG Query? 18. Performance Debugging Scenarios 19. Cost and Context Failure Scenarios 20. Cost and Performance Questions Interviewers Ask
Part VI: Security and Production Reliability
21. Prompt Injection and Poisoned Knowledge 22. Authorization, Isolation, and Data Exfiltration 23. Abuse and Defense-in-Depth Questions 24. What Changed? 25. The Production RAG Incident Interview 26. Production Architecture Questions 27. Senior Trade-Off and Leadership Questions 28. Say It in One Line
Appendices
Appendix A: RAG Interview Cheat Sheet Appendix B: Metrics Cheat Sheet Appendix C: Retrieval and Reranking Decision Guide Appendix D: Production RAG Debugging Ladder Appendix E: Production Readiness Checklist Appendix F: Companion Repository Map