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Explain RAG (Retrieval-Augmented Generation). When and how would you use it?
ML Concept: 5-7 minutes to answer
llm-engineeringragretrievalmust-knowcategory:nlp_cv
Updated Jan 18, 2026
Question
Question
Explain RAG (Retrieval-Augmented Generation). When and how would you use it?
Expected time to answer: 5-7 minutes
Difficulty: intermediate
Why This Is Asked: Tests understanding of the most common pattern for grounding LLMs in external knowledge
Tags: llm-engineering rag retrieval must-know
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