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Which LangChain class is primarily used to store and retrieve conversation history for follow-up questions?

easy📝 Conceptual Q2 of 15
LangChain - Conversational RAG
Which LangChain class is primarily used to store and retrieve conversation history for follow-up questions?
AConversationBufferMemory
BOpenAI
CConversationChain
DPromptTemplate
Step-by-Step Solution
Solution:

  1. Step 1: Identify memory classes

    LangChain uses memory classes to keep track of conversation history.

  2. Step 2: Role of ConversationBufferMemory

    This class stores the conversation buffer, enabling follow-up question handling.

  3. Final Answer:

    ConversationBufferMemory -> Option A

  4. Quick Check:

    Memory class stores chat history [OK]
Quick Trick: ConversationBufferMemory manages chat history [OK]
Common Mistakes:
  • Confusing ConversationChain with memory
  • Using OpenAI class for memory
  • Not initializing any memory

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