Tech Ocean
Apr 23, 2026 · Artificial Intelligence
Day 7: LangChain Full‑Map Overview and 6 Interview Questions
This article presents a complete LangChain architecture diagram, quick‑reference tables for core modules, a side‑by‑side comparison with LlamaIndex and Haystack, practical interview Q&A covering advantages, RAG optimization, Agent vs Chain differences, token‑cost reduction, and a seven‑day recap with advanced learning paths.
AgentChainInterviewPrep
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