Retrieval-Augmented Generation (RAG)

Grounding an LLM's output in retrieved external documents instead of relying purely on its trained-in knowledge.

Read

45 min

Practice MCQs

25

Interview QA

25

Edition

v4

Editorial status

Reviewed

Relevant for

AI Engineer,Agentic AI Engineer,Forward Deployed Engineer (FDE)

Scope: RAG, DPR, Sentence-BERT, ColBERT, FAISS, HNSW, BEIR, MTEB, long-context, HyDE, RAGAS, NIST AI RMF, and OWASP prompt-injection references reviewed 2026-09-04.