Showing posts with label AI. Show all posts
Showing posts with label AI. Show all posts

26 August 2026

#Agentic AI

#AI Agent

#MCP

#Ollama

#LangChain4j


Key Concepts


S.No Topic Sub-Topics
1 LangChain4j LangChain4j, Architecture, Features, Installation, Maven/Gradle Setup, Java 21
2 LLM Fundamentals Chat Models, Completion Models, Embedding Models, Language Models, Model Providers
3 Supported LLM Providers OpenAI, Azure OpenAI, Google Gemini, Anthropic Claude, Ollama, Hugging Face
4 ChatLanguageModel Model Configuration, API Keys, Temperature, Max Tokens, Streaming, Timeouts
5 AI Services @AiService , Interface-Based AI, Dependency Injection, Configuration
6 Prompt Engineering Prompt Templates, Variables, System Messages, User Messages, Few-Shot Prompting
7 Chat Memory MessageWindowChatMemory, TokenWindowChatMemory, Persistent Memory, Session Management
8 Structured Outputs JSON Responses, POJOs, Enums, Records, Validation, Parsing
9 Embeddings Embedding Models, Vector Generation, Similarity Search, Embedding Store
10 Vector Databases pgvector, ChromaDB, Milvus, Qdrant, Pinecone Integration
11 Document Processing PDF, DOCX, TXT, HTML, Markdown, Apache Tika Integration
12 RAG Fundamentals Retrieval Pipeline, Chunking, Metadata, Context Injection
13 RAG Implementation Embedding Store, Retriever, Prompt Augmentation, Citation Support
14 Tool Calling @Tool , Function Calling, External APIs, Database Access, Custom Tools
15 MCP Integration MCP Client, MCP Tools, MCP Resources, MCP Prompt Integration
16 Streaming Responses Token Streaming, StreamingChatModel, Server-Sent Events (SSE), WebSocket
17 AI Moderation Input Validation, Output Validation, Content Moderation, Guardrails
18 Spring Boot Integration Spring AI vs LangChain4j, REST APIs, Configuration, Dependency Injection
19 Conversational AI Multi-turn Chat, Context Management, Session Handling, Personalization
20 Agents Agent Concepts, Planning, Tool Selection, Reflection, Autonomous Execution
21 Multi-Agent Systems Agent Collaboration, Delegation, Workflow Coordination
22 Observability Logging, Metrics, Tracing, LangSmith, OpenTelemetry
23 Testing Unit Testing, Mock Models, Integration Testing, Prompt Testing
24 Security API Security, Authentication, Prompt Injection Defense, Secret Management
25 Performance Optimization Caching, Retry Policies, Parallel Calls, Token Optimization
26 Deployment Docker, Kubernetes, Azure, AWS, CI/CD
27 Enterprise Applications AI Copilot, Knowledge Base, Customer Support, Banking Assistant
28 Real-Time Projects Enterprise RAG, SQL Assistant, Document Chatbot, AI Code Assistant
29 Advanced Topics Custom Components, Multi-Modal AI, Hybrid Search, Advanced RAG
30 Interview Preparation Architecture, APIs, Design Patterns, Best Practices, Interview Questions

Interview question

What is LangChain4j?
Why is LangChain4j used in Java applications?
What are the major components of LangChain4j?
How is LangChain4j different from LangChain?
What are the main use cases of LangChain4j?
How does LangChain4j integrate with Spring Boot?
What LLM providers are supported by LangChain4j?
How does LangChain4j abstract different LLM providers?
What is ChatLanguageModel in LangChain4j?
What is StreamingChatLanguageModel?
What is the difference between ChatLanguageModel and StreamingChatLanguageModel?
How do you configure an OpenAI model in LangChain4j?
How do you integrate Azure OpenAI with LangChain4j?
How do you integrate Ollama with LangChain4j?
How do you configure model temperature in LangChain4j?
What are max tokens and token limits?
How do you configure timeout and retry for an LLM?
How do you handle LLM API failures?
How do you switch between different LLM providers?
How do you manage API keys securely in LangChain4j?
What is a prompt in LangChain4j?
What is the difference between system, user, and AI messages?
How do you create a system message?
How do you create a user message?
How do you create an AI message?
What is a prompt template?
How do you create dynamic prompts?
How do you pass variables into prompts?
How do you implement few-shot prompting?
How do you prevent prompt injection?
How do you optimize prompts for production applications?
What is an AI Service in LangChain4j?
What is the purpose of @AiService?
How do you create an AI Service?
How does LangChain4j generate an implementation for an AI Service interface?
How do you define prompts inside an AI Service?
How do you pass method parameters to an AI Service?
How do you return structured objects from an AI Service?
How do you configure chat memory in an AI Service?
How do you integrate tools with an AI Service?
How do you integrate a content retriever with an AI Service?
What is ChatMemory?
Why is chat memory required?
What is MessageWindowChatMemory?
What is TokenWindowChatMemory?
What is the difference between MessageWindowChatMemory and TokenWindowChatMemory?
How does LangChain4j manage conversation history?
How do you implement persistent chat memory?
How do you store chat memory in a database?
How do you manage memory for multiple users?
How do you manage session-specific memory?
How do you prevent chat memory from exceeding the context window?
What is long-term memory in an AI application?
How do you implement long-term memory with LangChain4j?
What are embeddings?
Why are embeddings required for RAG?
What is EmbeddingModel?
How does LangChain4j generate embeddings?
What is embedding dimensionality?
How does embedding similarity work?
What is cosine similarity?
How do you select an embedding model?
How do you generate embeddings in batches?
How do you optimize embedding generation cost?
What is a VectorStore or EmbeddingStore?
Why is a vector database required?
Which vector databases are supported by LangChain4j?
How do you use PGVector with LangChain4j?
How do you integrate Pinecone with LangChain4j?
How do you integrate Milvus with LangChain4j?
How do you use an in-memory embedding store?
How do you persist embeddings?
What metadata can be stored with embeddings?
How do you filter vector search results using metadata?
What is RAG?
Why is RAG important for enterprise applications?
What is the RAG pipeline in LangChain4j?
What are the ingestion and retrieval phases of RAG?
How do you load documents in LangChain4j?
What is a Document in LangChain4j?
What is DocumentLoader?
How do you load PDF documents?
How do you load documents from URLs?
How do you attach metadata to documents?
What is a DocumentParser?
What is a DocumentSplitter?
Why is document splitting required?
How do you choose an appropriate chunk size?
What is chunk overlap?
How does chunk overlap affect retrieval?
How do you preserve document metadata during chunking?
How do you handle large PDF documents in RAG?
What is ContentRetriever?
What is EmbeddingStoreContentRetriever?
How does a content retriever work?
How do you configure top-K retrieval?
What is a minimum similarity score?
How do you implement metadata filtering in retrieval?
How do you implement custom retrieval logic?
What is hybrid search?
How do you combine keyword and vector search?
What is reranking?
Why is reranking useful in RAG?
How do you reduce irrelevant context in RAG?
What is query transformation?
What is multi-query retrieval?
How do you handle ambiguous user queries in RAG?
How do you prevent hallucinations in RAG?
How do you implement source citations in RAG responses?
How do you evaluate RAG retrieval quality?
What is a Tool in LangChain4j?
What is the @Tool annotation?
How do you create a custom tool?
How does an LLM decide which tool to call?
What information should be included in a tool description?
How do you pass parameters to a tool?
How do you return tool results?
How do you handle tool execution errors?
How do you register multiple tools?
How do you implement dynamic tools?
How do you restrict tools available to an AI Service?
How do you secure tool execution?
How do you prevent unauthorized tool calls?
What is function calling?
How does tool calling differ from normal text generation?
How do you implement database tools?
How do you implement REST API tools?
How do you implement business logic as an AI tool?
What is an AI Agent?
How is an AI Agent different from a chatbot?
How do agents use tools?
How does an agent perform multi-step tasks?
What is agent state?
How do you manage agent memory?
How do you implement agent planning?
How do you implement sequential agent workflows?
How do you implement conditional agent workflows?
How do you implement parallel agent execution?
How do you implement human-in-the-loop workflows?
What are common agent failure modes?
How do you prevent infinite agent loops?
How do you limit agent tool calls?
What is MCP?
How does LangChain4j support MCP?
What is an MCP Client?
What is an MCP Server?
How does MCP tool discovery work?
How do you connect LangChain4j to an MCP server?
How do MCP resources differ from MCP tools?
How do you secure MCP tool access?
What are guardrails?
Why are guardrails important in enterprise AI?
How do you implement input validation?
How do you validate LLM output?
How do you protect against prompt injection?
How do you prevent sensitive data leakage?
How do you implement PII protection?
What are structured outputs?
How do you map LLM responses to Java POJOs?
How do you enforce JSON output from an LLM?
How do you validate structured AI responses?
How does streaming work in LangChain4j?
How do you stream tokens to a Spring Boot REST API?
How do you implement asynchronous AI processing?
How do you handle backpressure in streaming applications?
How do you integrate LangChain4j with Spring Boot?
How do you configure LangChain4j beans?
How do you manage LangChain4j configuration using application.yml?
How do you expose LangChain4j functionality through REST APIs?
How do you integrate LangChain4j with PostgreSQL?
How do you implement enterprise multi-tenant RAG?
How do you isolate vector data between tenants?
How do you implement document-level authorization in RAG?
How do you monitor token usage?
How do you optimize LLM latency?
How do you reduce LLM API costs?
How do you implement caching for LLM responses?
How do you handle rate limits from LLM providers?
How do you implement retry and fallback strategies?
How do you test LangChain4j applications?
How do you mock an LLM during unit testing?
How do you test RAG pipelines?
How do you evaluate agent performance?
How do you test tool calling?
How do you troubleshoot incorrect RAG responses?
How do you troubleshoot poor retrieval quality?
How do you troubleshoot excessive token usage?
How do you design a production-ready LangChain4j architecture?
How would you design an enterprise RAG system using LangChain4j?
How would you design a LangChain4j AI Agent with multiple tools?
How would you build a secure and scalable LangChain4j application?
What are the most important LangChain4j design patterns for production?

Related Topics


#LangGraph

#LlamaIndex


Key Concepts


S.No Topic Sub-Topics
1 LlamaIndex  Architecture, Core Concepts, Components, Workflows, Data Flow, Installation, Project Structure
2 LlamaIndex Setup Python Environment, Package Installation, Configuration, API Keys, Settings, Logging, Dependencies
3 Documents Document Object, Metadata, IDs, Text Extraction, Transformation, Custom Metadata, Document Management
4 Readers SimpleDirectoryReader, PDF Reader, CSV Reader, JSON Reader, HTML Reader, Database Reader, Custom Reader
5 Nodes TextNode, Node IDs, Metadata, Relationships, Parent-Child Nodes, Custom Nodes, Node Parsing
6 Node Parsing SentenceSplitter, TokenTextSplitter, Semantic Splitting, Hierarchical Parsing, Metadata Extraction, Chunk Overlap, Custom Parsers
7 Metadata Document Metadata, Node Metadata, Metadata Extraction, Metadata Filtering, Automatic Metadata, Metadata Templates, Metadata Propagation
8 Embeddings Embedding Models, OpenAI Embeddings, Hugging Face Embeddings, Local Embeddings, Batch Embeddings, Similarity, Configuration
9 Vector Stores VectorStore, Chroma, Pinecone, Qdrant, Milvus, FAISS, PGVector
10 Storage StorageContext, Document Store, Index Store, Vector Store, Persistence, Loading Indexes, Remote Storage
11 Indexes VectorStoreIndex, SummaryIndex, TreeIndex, KeywordTableIndex, KnowledgeGraphIndex, Property Indexes, Index Selection
12 VectorStoreIndex Index Construction, Node Insertion, Embeddings, Persistence, Loading, Filtering, Retrieval Configuration
13 Retrievers Vector Retriever, Keyword Retriever, BM25, Hybrid Retrieval, Metadata Filters, Similarity Top-K, Custom Retrievers
14 Query Engine QueryEngine, Query Pipeline, Retrieval, Response Synthesis, Similarity Threshold, Streaming, Async Queries
15 Response Synthesis Compact, Refine, Tree Summarize, Simple Summarize, Citation Responses, Structured Responses, Custom Synthesis
16 RAG Fundamentals Ingestion, Chunking, Embedding, Indexing, Retrieval, Generation, End-to-End RAG
17 Advanced RAG Hybrid Search, Query Rewriting, Reranking, Metadata Filtering, Contextual Retrieval, Recursive Retrieval, Fusion Retrieval
18 Reranking Cross-Encoder, Cohere Reranker, Sentence Transformers, Top-K Retrieval, Score Thresholds, Reciprocal Rank Fusion, Custom Rerankers
19 Query Transformation Query Expansion, Query Rewriting, Sub-Question Generation, HyDE, Multi-Query Retrieval, Routing, Query Decomposition
20 Chat Engines Chat Engine, Conversational Context, Memory, Context Management, Streaming Chat, Async Chat, Custom Chat Behavior
21 Memory Chat Memory, Short-Term Memory, Long-Term Memory, Token Limits, Memory Blocks, Retrieval-Based Memory, Persistent Memory
22 Agents Agent Architecture, Tools, Tool Calling, ReAct Agents, Function Calling, Agent Memory, Multi-Step Reasoning
23 Workflows Workflow Concepts, Events, Steps, State, Async Workflows, Branching, Parallel Execution, Error Handling
24 Tools FunctionTool, QueryEngineTool, Custom Tools, API Tools, Database Tools, Tool Metadata, Tool Selection
25 LLM Integration OpenAI, Anthropic, Gemini, Ollama, Hugging Face, Local LLMs, Custom LLM Integration
26 Structured Outputs Pydantic Models, Structured Prediction, JSON Output, Schema Validation, Extraction, Response Parsing, Typed Outputs
27 Data Extraction LLM Extraction, Structured Extraction, Metadata Extraction, Table Extraction, Entity Extraction, Relation Extraction, Validation
28 Evaluation Retrieval Evaluation, Response Evaluation, Faithfulness, Relevance, Correctness, Context Evaluation, RAG Benchmarking
29 Production RAG Caching, Observability, Tracing, Logging, Security, Latency Optimization, Cost Optimization
30 Production Deployment FastAPI, Docker, Kubernetes, Vector DB Deployment, Scaling, Monitoring, CI/CD
31 Advanced Architecture Multi-Index RAG, Agentic RAG, Multimodal RAG, Knowledge Graphs, Hybrid Architecture, Distributed Ingestion, Enterprise Architecture
32 Capstone Project Enterprise RAG, PDF Ingestion, Intelligent Chunking, Vector Database, Hybrid Retrieval, Reranking, Conversational Memory

Interview question

What is LlamaIndex and what problem does it solve?
Why is LlamaIndex commonly used for RAG applications?
What are the core components of LlamaIndex?
What is the architecture of LlamaIndex?
How does LlamaIndex differ from LangChain?
What are Documents in LlamaIndex?
What are Nodes in LlamaIndex?
What is the difference between a Document and a Node?
What is SimpleDirectoryReader?
How do you load PDF files using LlamaIndex?
How do you load CSV files using LlamaIndex?
How do you load JSON files using LlamaIndex?
How do you load HTML documents using LlamaIndex?
How can you create a custom data reader in LlamaIndex?
What is NodeParser in LlamaIndex?
What is SentenceSplitter?
How does SentenceSplitter split documents?
What is chunk size in LlamaIndex?
What is chunk overlap?
How do you choose an appropriate chunk size?
What is a TextNode?
How does metadata work with Nodes?
What are node relationships?
What is parent-child node relationship?
Why is metadata important in RAG applications?
How do you add custom metadata to documents?
What are embeddings in LlamaIndex?
Why are embeddings required for semantic search?
How do you configure an embedding model in LlamaIndex?
How do you use OpenAI embeddings with LlamaIndex?
How can you use Hugging Face embeddings with LlamaIndex?
How can you use local embedding models with LlamaIndex?
What is VectorStoreIndex?
How do you create a VectorStoreIndex?
What happens internally when a VectorStoreIndex is created?
What is StorageContext?
What is the purpose of a document store?
What is the purpose of an index store?
What is a vector store?
Which vector databases can be integrated with LlamaIndex?
How do you integrate Chroma with LlamaIndex?
How do you integrate Pinecone with LlamaIndex?
How do you integrate Qdrant with LlamaIndex?
How do you integrate Milvus with LlamaIndex?
How do you integrate PostgreSQL/PGVector with LlamaIndex?
What is FAISS and how can it be used with LlamaIndex?
What is persistence in LlamaIndex?
How do you persist an index to disk?
How do you load a persisted index?
What is a Retriever in LlamaIndex?
What is VectorIndexRetriever?
How does similarity search work in LlamaIndex?
What is top-k retrieval?
How do you configure similarity_top_k?
What is metadata filtering?
How do metadata filters improve retrieval?
What is hybrid search?
How do you implement hybrid retrieval in LlamaIndex?
What is BM25 retrieval?
What is a QueryEngine?
How do you create a QueryEngine?
What happens internally when a query is sent to a QueryEngine?
What is ResponseSynthesizer?
What are the different response synthesis strategies?
What is the Compact response synthesis mode?
What is the Refine response synthesis mode?
What is Tree Summarize response synthesis?
How do you generate citation-based responses?
What is RAG in LlamaIndex?
How do you build a basic RAG pipeline using LlamaIndex?
What are the major stages of a LlamaIndex RAG pipeline?
How does LlamaIndex handle document ingestion?
How does LlamaIndex perform retrieval?
How does LlamaIndex use an LLM after retrieval?
What are common RAG failure modes in LlamaIndex?
How do you improve retrieval accuracy in LlamaIndex?
What is reranking in LlamaIndex?
Why is reranking useful in RAG?
How do you integrate a reranker with LlamaIndex?
What is Reciprocal Rank Fusion?
What is query transformation?
What is query rewriting?
What is query expansion?
What is HyDE in LlamaIndex?
What is sub-question query decomposition?
What is SubQuestionQueryEngine?
What is RouterQueryEngine?
How does query routing work in LlamaIndex?
What is RecursiveRetriever?
What is AutoMergingRetriever?
What is a ChatEngine?
What is the difference between QueryEngine and ChatEngine?
How does conversational memory work in LlamaIndex?
What is ChatMemory?
How do you maintain conversation history in LlamaIndex?
What are Agents in LlamaIndex?
What is a ReAct agent?
How does tool calling work in LlamaIndex agents?
What is FunctionTool?
What is QueryEngineTool?
How can an agent use a RAG query engine as a tool?
What are Workflows in LlamaIndex?
How are events and steps used in Workflows?
How do you build an asynchronous workflow?
How do you handle errors in LlamaIndex workflows?
How do you evaluate a LlamaIndex RAG application?
What is faithfulness evaluation?
What is retrieval relevance evaluation?
How do you optimize LlamaIndex applications for latency and cost?
How do you deploy a LlamaIndex RAG application in production?

Related Topics


#AI Core


Key Concepts


S.No Topic Sub-Topics
1 AI Fundamentals AI definition, AI types, Narrow AI, General AI, Generative AI, Predictive AI, AI applications
2 AI & ML Foundations AI vs ML, Supervised learning, Unsupervised learning, Semi-supervised learning, Reinforcement learning, Training, Inference
3 Data Fundamentals Structured data, Unstructured data, Data collection, Data preprocessing, Data quality, Features, Labels
4 Mathematics for AI Linear algebra, Vectors, Matrices, Matrix operations, Probability, Statistics, Calculus basics
5 Probability & Statistics Probability distributions, Conditional probability, Bayes theorem, Mean, Variance, Standard deviation, Correlation
6 Machine Learning Fundamentals Regression, Classification, Clustering, Feature engineering, Training, Validation, Prediction
7 ML Algorithms Linear regression, Logistic regression, Decision trees, Random forest, SVM, KNN, Naive Bayes
8 Ensemble Learning Bagging, Boosting, Random forest, AdaBoost, Gradient boosting, XGBoost, LightGBM
9 Model Evaluation Train-test split, Cross-validation, Accuracy, Precision, Recall, F1-score, ROC-AUC
10 Feature Engineering Feature selection, Feature extraction, Encoding, Scaling, Normalization, Missing values, Outliers
11 Unsupervised Learning K-Means, Hierarchical clustering, DBSCAN, PCA, Dimensionality reduction, Anomaly detection, Cluster evaluation
12 Deep Learning Fundamentals Neural networks, Neurons, Layers, Weights, Bias, Activation functions, Forward propagation
13 Neural Network Training Loss functions, Backpropagation, Gradient descent, Learning rate, Optimizers, Batch size, Epochs
14 Deep Learning Architectures CNN, RNN, LSTM, GRU, Autoencoder, Transformer, Attention
15 Computer Vision Image classification, Object detection, Image segmentation, OCR, Image embeddings, Vision transformers, Image generation
16 NLP Fundamentals Text preprocessing, Tokenization, Stemming, Lemmatization, N-grams, Text classification, Named Entity Recognition
17 Embeddings Word embeddings, Sentence embeddings, Document embeddings, Vector representation, Cosine similarity, Semantic search, Embedding models
18 Generative AI Generative models, LLMs, Text generation, Image generation, Audio generation, Video generation, Multimodal AI
19 LLM Fundamentals Transformer, Tokens, Context window, Attention, Parameters, Pre-training, Inference
20 Prompt Engineering Zero-shot, Few-shot, Role prompting, Prompt templates, Structured prompts, Prompt chaining, Output constraints
21 RAG Document ingestion, Chunking, Embeddings, Vector database, Retrieval, Reranking, Context generation
22 Vector Databases Vector indexing, Similarity search, ANN, Metadata filtering, Hybrid search, Reranking, Vector DB selection
23 AI Agents Agent architecture, Planning, Tool calling, Function calling, Memory, ReAct, Multi-agent systems
24 AI Tools & MCP Tool definitions, API tools, Database tools, Function execution, MCP concepts, MCP servers, MCP clients
25 Fine-Tuning Instruction tuning, Dataset preparation, Supervised fine-tuning, LoRA, QLoRA, PEFT, Fine-tuning evaluation
26 AI Evaluation Model evaluation, RAG evaluation, Faithfulness, Relevance, Groundedness, LLM-as-a-judge, Benchmarking
27 AI Security Prompt injection, Jailbreaking, Data leakage, PII protection, Tool security, Output validation, Guardrails
28 AI MLOps / LLMOps Model deployment, Model registry, Versioning, Monitoring, Logging, Drift detection, Experiment tracking
29 AI Performance & Cost Model selection, Quantization, Caching, Batching, Token optimization, Latency optimization, Cost optimization
30 Production AI Architecture AI application architecture, RAG architecture, Agent architecture, Data layer, Model layer, Security layer, Monitoring & deployment

Interview question

What is Artificial Intelligence (AI)?
What is Machine Learning (ML)?
What is Deep Learning?
What is Generative AI?
What is an LLM?
What is the difference between AI, ML, Deep Learning, and Generative AI?
What is ChatGPT?
What is an AI model?
What is the difference between a traditional AI model and an LLM?
What are the major components of a Generative AI system?
What is Natural Language Processing (NLP)?
What is Natural Language Understanding (NLU)?
What is Natural Language Generation (NLG)?
What is a Transformer architecture?
What is self-attention?
What is multi-head attention?
What is an encoder and decoder in a Transformer?
Why are Transformers widely used in LLMs?
What is tokenization?
What is a token in an LLM?
What is an embedding?
What is a vector embedding?
What is a context window?
What happens when an LLM exceeds its context window?
What is model training?
What is model inference?
What is pre-training?
What is fine-tuning?
What is instruction tuning?
What is RLHF?
What is supervised fine-tuning?
What is prompt engineering?
Why is prompt engineering important?
What are the main components of a good prompt?
What is a system prompt?
What is a user prompt?
What is a developer instruction?
What is zero-shot prompting?
What is one-shot prompting?
What is few-shot prompting?
What is role prompting?
What is instruction prompting?
What is contextual prompting?
What is prompt decomposition?
What is prompt chaining?
What is structured prompting?
What is a prompt template?
What is dynamic prompt generation?
What is chain-of-thought prompting?
What is reasoning prompting?
What is ReAct prompting?
What is self-consistency prompting?
What is self-reflection prompting?
What is tree-of-thought prompting?
What is least-to-most prompting?
What is retrieval-augmented prompting?
What is grounding in Generative AI?
What is hallucination in an LLM?
Why do LLMs hallucinate?
How can prompt engineering reduce hallucinations?
What is prompt injection?
What is indirect prompt injection?
How can prompt injection attacks be prevented?
What is jailbreak prompting?
What are AI guardrails?
What is output validation in Generative AI?
What is structured output?
How can an LLM generate valid JSON?
What is function calling?
What is tool calling in an LLM?
How does an AI model decide when to call a tool?
What is the difference between function calling and tool calling?
What is RAG?
Why is RAG used with LLMs?
What is the difference between RAG and fine-tuning?
What are the main components of a RAG pipeline?
What is document chunking?
How do you choose the right chunk size?
What is semantic search?
What is a vector database?
What is similarity search?
What is hybrid search?
What is reranking in RAG?
What is Agentic RAG?
What is an AI Agent?
What is the difference between an LLM application and an AI Agent?
What are the core components of an AI Agent?
What is agent memory?
What is short-term memory in an AI Agent?
What is long-term memory in an AI Agent?
What is agent planning?
What is an autonomous AI Agent?
What is a multi-agent system?
What is the role of prompts in AI Agents?
How do you design prompts for reliable AI Agents?
How do you evaluate an LLM response?
What metrics are used to evaluate Generative AI applications?
How do you evaluate RAG systems?
How do you reduce LLM latency and token costs?
How do you design production-ready LLM applications?
What are the major security challenges in Generative AI?
What is responsible AI?
How would you design an enterprise-grade Agentic AI solution?
How would you combine Prompt Engineering, RAG, Tools, Memory, and Agents in a real-world application?

Related Topics


22 August 2026

#LangChain


Key Concepts


S.No Topic Sub-Topics
1 LangChain LangChain architecture, LLMs, ChatModels, Prompts, Messages, Chains, Runnables
2 Models & Providers OpenAI, Anthropic, Google Gemini, Ollama, model configuration, temperature, token limits
3 Prompt Engineering Prompt templates, ChatPromptTemplate, system messages, variables, few-shot prompts, output control, prompt composition
4 Messages & Chat HumanMessage, AIMessage, SystemMessage, message history, message placeholders, multimodal messages, message filtering
5 Output Parsers String output, JSON output, Pydantic parser, structured output, validation, error handling, schema design
6 Runnables Runnable interface, RunnableSequence, RunnableParallel, RunnableLambda, RunnablePassthrough, RunnableBranch, RunnableConfig
7 LCEL Pipe operator, chain composition, parallel execution, branching, streaming, batch execution, reusable chains
8 Chains LLM chains, prompt + model chains, sequential chains, conditional chains, transformation chains, custom chains, chain debugging
9 Tool Calling Tool definition, tool schemas, function calling, model binding, tool invocation, tool results, tool errors
10 Agents Agent architecture, agent loop, tool selection, AgentExecutor, ReAct, custom agents, agent errors
11 Agentic Workflows Planning, reasoning, tool execution, routing, decision making, retries, human-in-the-loop
12 Memory Conversation memory, message history, RunnableWithMessageHistory, persistent memory, session management, memory limits, summarization
13 Document Loaders PDF loader, web loader, text loader, CSV loader, JSON loader, directory loader, custom loaders
14 Document Processing Documents, metadata, cleaning, normalization, splitting strategy, duplicate removal, document pipelines
15 Text Splitters RecursiveCharacterTextSplitter, token splitting, semantic splitting, chunk size, overlap, custom splitting, chunk optimization
16 Embeddings Embedding models, vector representation, similarity, OpenAI embeddings, local embeddings, batch embeddings, embedding evaluation
17 Vector Stores Chroma, FAISS, Pinecone, Milvus, Weaviate, PGVector, vector-store abstraction
18 Retrieval Similarity search, MMR, metadata filtering, top-k, retriever interface, contextual retrieval, custom retrievers
19 RAG Fundamentals RAG architecture, indexing pipeline, retrieval pipeline, prompt construction, context injection, answer generation, citations
20 Advanced RAG Multi-query retrieval, contextual compression, parent-child retrieval, hybrid search, reranking, query transformation, self-query retrieval
21 Retrieval Quality Precision, recall, relevance, chunk evaluation, retrieval evaluation, hallucination detection, RAG benchmarking
22 Structured Data & SQL SQLDatabase, SQL agents, database tools, natural-language queries, query validation, schema awareness, SQL security
23 LangChain + APIs REST APIs, custom tools, external services, authentication, request handling, response parsing, API error handling
24 LangGraph Integration Graph concepts, state, nodes, edges, conditional routing, persistence, human approval, LangChain vs LangGraph
25 Streaming Token streaming, Runnable streaming, agent streaming, custom events, async streaming, UI integration, real-time responses
26 Async & Performance Async invoke, parallel execution, batching, concurrency, caching, token optimization, latency optimization
27 Observability LangSmith, tracing, runs, prompts, tool traces, debugging, evaluation datasets
28 Production RAG Application Architecture, ingestion service, retrieval service, LLM service, API layer, security, deployment
29 Production Agents Agent architecture, tool security, guardrails, retries, timeouts, state persistence, failure recovery
30 Expert Capstone Production RAG, agentic RAG, multi-tool agent, LangGraph workflow, evaluation, monitoring, deployment

Interview question

What is LangChain?
Why was LangChain created?
What are the main components of LangChain?
What problems does LangChain solve?
What are the core abstractions in LangChain?
What is an LLM in LangChain?
What is a Chat Model in LangChain?
What is the difference between an LLM and a Chat Model?
What is a prompt in LangChain?
What is a PromptTemplate?
What is a ChatPromptTemplate?
What is a SystemMessage in LangChain?
What is a HumanMessage in LangChain?
What is an AIMessage in LangChain?
What is message history in LangChain?
What is output parsing in LangChain?
What is a StrOutputParser?
What is structured output in LangChain?
How do you generate JSON output using LangChain?
How do you validate LLM output in LangChain?
What is an Embedding Model?
Why are embeddings used in LangChain?
What is a vector embedding?
What is semantic similarity?
What is a Vector Store?
What vector stores are supported by LangChain?
What is Chroma in LangChain?
What is FAISS?
What is Pinecone?
What is Milvus?
What is Weaviate?
What is the difference between a vector database and a relational database?
How does LangChain perform similarity search?
What is similarity search with score?
What is Maximum Marginal Relevance?
Why is MMR useful in RAG applications?
What is a retriever in LangChain?
What is the difference between a retriever and a vector store?
How do you convert a vector store into a retriever?
What is a MultiQueryRetriever?
What is a Document in LangChain?
What are the main fields of a LangChain Document?
What is document metadata?
Why is metadata important in RAG?
What is a Document Loader?
What document loaders are available in LangChain?
How do you load a PDF using LangChain?
How do you load a text file using LangChain?
How do you load CSV files using LangChain?
How do you load JSON files using LangChain?
How do you load web pages using LangChain?
How do you load documents from a directory?
What is DirectoryLoader?
What is PyPDFLoader?
What is WebBaseLoader?
What is UnstructuredLoader?
What is a RecursiveCharacterTextSplitter?
Why is recursive text splitting preferred?
What is chunk size?
What is chunk overlap?
What is text splitting in LangChain?
Why do documents need to be split into chunks?
How do you choose an appropriate chunk size?
How does chunk overlap affect retrieval?
What happens if the chunk size is too small?
What happens if the chunk size is too large?
What is token-based text splitting?
What is character-based text splitting?
What is recursive splitting?
What is MarkdownHeaderTextSplitter?
What is HTMLHeaderTextSplitter?
How do you split code using LangChain?
How do you preserve metadata during document splitting?
How can you optimize document chunking for RAG?
What is parent-child document retrieval?
What is contextual chunking?
What is semantic chunking?
What is the difference between fixed-size and semantic chunking?
How does chunking affect embedding quality?
How does chunking affect retrieval accuracy?
What is RAG?
How does Retrieval-Augmented Generation work?
What are the main stages of a LangChain RAG pipeline?
What is the difference between indexing and retrieval?
How do you build a basic RAG application using LangChain?
What is a RetrievalQA chain?
What replaced older RetrievalQA patterns in modern LangChain?
What is create_retrieval_chain?
What is create_stuff_documents_chain?
What is the StuffDocumentsChain approach?
What is MapReduce document processing?
What is Refine document processing?
What is the difference between Stuff, MapReduce, and Refine?
How does LangChain handle retrieved documents?
How do you pass retrieved documents to an LLM?
How do you add citations to a RAG response?
How do you prevent hallucinations in RAG?
What are common RAG failure modes?
How do you improve RAG retrieval quality?
How do you evaluate a LangChain RAG application?
What is LCEL?
What does LCEL stand for?
Why was LCEL introduced?
What is a Runnable in LangChain?
What is RunnableSequence?
What is RunnableParallel?
What is RunnablePassthrough?
What is RunnableLambda?
What is RunnableBranch?
What does the pipe operator do in LCEL?
How do you compose multiple Runnable components?
What is the difference between Chain and Runnable?
Why is Runnable preferred in modern LangChain?
How do you invoke a Runnable?
What is the difference between invoke and run?
What is batch execution in LangChain?
What is stream execution in LangChain?
What is astream in LangChain?
How does async execution work in LangChain?
How do you handle parallel execution with LCEL?
What is an Agent in LangChain?
What is an AgentExecutor?
How does a LangChain agent work?
What is tool calling?
What is a Tool in LangChain?
How do you create a custom tool?
What is the @tool decorator?
How does an agent select a tool?
What is tool input schema?
How do you validate tool arguments?
What is the difference between a tool and a function?
What is function calling?
What is the difference between function calling and tool calling?
What is ReAct in LangChain?
How does the ReAct agent work?
What are the advantages of agents over chains?
What are the disadvantages of agents?
When should you use an agent instead of a chain?
How do you restrict an agent from using unauthorized tools?
How do you handle tool execution errors?
What is memory in LangChain?
Why is conversation memory required?
What is conversation history?
What is RunnableWithMessageHistory?
How do you maintain chat history in LangChain?
What is the difference between short-term and long-term memory?
How can conversation history exceed the context window?
How do you summarize conversation history?
How can vector stores be used as long-term memory?
How do you persist conversation history?
What is LangSmith?
Why is LangSmith used with LangChain?
What is tracing in LangSmith?
How do you trace a LangChain application?
What is observability in LLM applications?
How do you debug a LangChain chain?
How do you monitor token usage?
How do you monitor latency in LangChain?
How do you evaluate LLM responses?
What is an evaluation dataset?
What are common RAG evaluation metrics?
What is retrieval relevance?
What is answer correctness?
What is faithfulness in RAG evaluation?
How do you compare two prompts using LangSmith?
How do you integrate OpenAI with LangChain?
How do you integrate Anthropic with LangChain?
How do you integrate Google Gemini with LangChain?
How do you integrate Ollama with LangChain?
How do you use local LLMs with LangChain?
How do you configure API keys in LangChain?
How do you manage secrets securely in a LangChain application?
How do you configure temperature?
What is max_tokens?
How do model parameters affect LangChain applications?
How do you implement streaming responses in LangChain?
How do you stream tokens from an LLM?
How do you handle callbacks in LangChain?
What are callbacks used for?
How do you implement logging in LangChain?
How do you handle exceptions in LangChain?
How do you implement retries?
What is with_retry in LangChain?
How do you implement fallbacks?
What is with_fallbacks in LangChain?
How do you build a conversational RAG system?
How do you combine chat history with RAG?
What is history-aware retrieval?
What is create_history_aware_retriever?
How do you rewrite follow-up questions before retrieval?
How do you handle ambiguous user queries in RAG?
How do you implement metadata filtering in retrieval?
How do you retrieve documents based on user-specific permissions?
How do you implement hybrid search with LangChain?
What is keyword search?
What is BM25 retrieval?
How do you combine BM25 and vector search?
What is ensemble retrieval?
What is contextual compression retrieval?
What is ContextualCompressionRetriever?
What is a reranker?
Why is reranking useful in RAG?
How do you implement reranking in LangChain?
What is ParentDocumentRetriever?
When should you use ParentDocumentRetriever?
How do you secure a LangChain application?
What is prompt injection?
How can LangChain applications defend against prompt injection?
What is indirect prompt injection?
How do you prevent sensitive data leakage?
How do you restrict agent tool permissions?
How do you validate external tool outputs?
How do you implement guardrails around LangChain?
How do you prevent an agent from executing dangerous operations?
How do you implement human approval for agent actions?
How do you optimize LangChain application performance?
How do you reduce LLM token usage?
How do you reduce RAG latency?
How do you cache LLM responses?
What is caching in LangChain?
How do you batch multiple LLM requests?
How do you parallelize independent LangChain operations?
How do you optimize vector search?
How do you optimize embedding generation?
How do you design LangChain for production?
What are common LangChain production challenges?
How do you version prompts in production?
How do you test LangChain chains?
How do you unit test a LangChain application?
How do you mock an LLM during testing?
How do you test retrieval independently?
How do you test agent tool selection?
How do you handle LLM provider outages?
How do you design multi-model fallback architecture?
How do you deploy LangChain applications?
What is the difference between LangChain and LangGraph?
When should LangGraph be used instead of LangChain agents?
How does LangChain integrate with LangGraph?
What is a stateful agent workflow?
What is an AI workflow in LangChain?
What is the difference between deterministic workflows and agents?
How do you build multi-step workflows with LangChain?
How do you implement conditional execution?
How do you implement parallel branches?
How do you combine retrieval, tools, and LLM calls?
What is the difference between LangChain legacy APIs and modern LangChain APIs?
What are deprecated LangChain chains?
Why is LCEL important for modern LangChain development?
How do you migrate legacy chains to Runnable-based pipelines?
How do you migrate old agent implementations to modern agents?
How do LangChain packages separate integrations?
What is langchain-core?
What is langchain-community?
What is the purpose of provider-specific LangChain packages?
How do you keep LangChain dependencies maintainable in production?
Design a production-ready RAG application using LangChain.
Design a PDF question-answering system using LangChain.
Design a multi-document RAG system using LangChain.
Design a chatbot with persistent conversation history.
Design an enterprise document search system using LangChain.
Design a resume screening application using LangChain.
Design an agent that uses database and web-search tools.
Design a customer-support agent using LangChain.
Design a secure enterprise RAG system with document-level access control.
Design a scalable LangChain architecture for millions of documents.

Related Topics


09 January 2026

#RAG

#RAG

Key Concepts


S.No Topic Sub-Topics
1 RAG What is RAG, Why RAG, RAG vs LLM-only, RAG use cases, RAG limitations
2 LLM Fundamentals for RAG Transformer basics, Context window, Tokens, Prompt-response flow, Hallucinations
3 Text Embeddings What are embeddings, Vector representation, Embedding models, Dimensionality, Similarity meaning
4 Embedding Models OpenAI embeddings, SentenceTransformers, Multilingual embeddings, Trade-offs, Model selection
5 Vector Databases Basics Vector DB concept, ANN search, Indexing basics, Metadata storage, Vector lifecycle
6 Vector DB Tools FAISS, Pinecone, Weaviate, Milvus, ChromaDB
7 Distance Metrics Cosine similarity, Dot product, Euclidean distance, Trade-offs, Metric selection
8 Chunking Strategies Fixed chunking, Semantic chunking, Chunk size, Overlap, Parent-child chunks
9 Document Ingestion PDF ingestion, Text files, HTML ingestion, Cleaning text, Normalization
10 Indexing Pipeline Embedding generation, Batch indexing, Metadata tagging, Versioning, Index updates
11 Retrieval Basics Top-k retrieval, Similarity threshold, Recall vs precision, Retrieval latency, Query flow
12 Hybrid Search Dense search, Sparse search, Keyword search, BM25, Hybrid ranking
13 Metadata Filtering Structured filters, Access control, User-based filtering, Time filters, Security filters
14 Prompt Engineering for RAG Prompt templates, Context injection, Instructions, Citations, Answer formatting
15 Naive RAG Architecture Single retriever, Single prompt, Context stuffing, Limitations, Failure cases
16 Advanced RAG Architecture Multi-retriever, Reranking, Compression, Query rewriting, Modular design
17 Reranking Techniques Cross-encoders, Relevance scoring, Latency trade-off, Top-n rerank, Quality boost
18 Context Optimization Token limits, Context pruning, Compression, Redundancy removal, Ordering chunks
19 Multi-hop Retrieval Complex queries, Query decomposition, Iterative retrieval, Chain-of-thought, Examples
20 Agentic RAG LLM agents, Tool calling, Planner-executor, Memory, Autonomous retrieval
21 Structured Data RAG SQL integration, CSV data, APIs, Knowledge graphs, Hybrid retrieval
22 RAG with LangChain Retrievers, Chains, Vector stores, Memory, RAG pipelines
23 RAG with LlamaIndex Indexes, Query engines, Node parsing, Storage context, Tools
24 Evaluation of RAG Retrieval metrics, Answer quality, Faithfulness, Relevance, Latency
25 RAGAS Framework Faithfulness score, Context recall, Answer relevance, Ground truth, Automation
26 Security in RAG Prompt injection, Data leakage, RBAC, PII handling, Secure retrieval
27 Scalability & Performance Index sharding, Caching, Async retrieval, Load balancing, Cost control
28 Production Deployment API design, Model hosting, Vector DB hosting, Monitoring, Logging
29 Monitoring & Feedback User feedback, Drift detection, Retrieval errors, Continuous improvement, Alerts
30 Enterprise RAG Use Cases Chatbots, Search engines, Knowledge assistants, Analytics, Decision support

Interview question

Basic Level

  1. What is Retrieval-Augmented Generation (RAG)?
  2. Why is RAG needed for LLM applications?
  3. What problems does RAG solve?
  4. What are the core components of a RAG system?
  5. What is retrieval in RAG?
  6. What is generation in RAG?
  7. How is RAG different from fine-tuning?
  8. How is RAG different from prompt engineering?
  9. What is a knowledge base in RAG?
  10. What type of data can RAG consume?
  11. What are embeddings?
  12. Why are embeddings used in RAG?
  13. What is a vector database?
  14. Examples of vector databases?
  15. What is semantic search?
  16. What is similarity search?
  17. What distance metrics are commonly used?
  18. What is cosine similarity?
  19. What is text chunking?
  20. Why is chunking important in RAG?
  21. What is context window?
  22. What is prompt grounding?
  23. What is hallucination in LLMs?
  24. How does RAG reduce hallucinations?
  25. What are common RAG use cases?

Intermediate Level

  1. Explain the end-to-end RAG workflow.
  2. How are embeddings generated?
  3. Which embedding models are commonly used?
  4. What is embedding dimensionality?
  5. How does chunk size affect retrieval?
  6. What is chunk overlap?
  7. What is metadata filtering?
  8. What is hybrid search?
  9. Difference between sparse and dense retrieval?
  10. What is keyword search vs vector search?
  11. What is top-k retrieval?
  12. How do you decide the value of k?
  13. What is reranking?
  14. Why is reranking important?
  15. What is prompt templating in RAG?
  16. How is retrieved context injected into prompts?
  17. What is latency challenge in RAG?
  18. How do you improve RAG response speed?
  19. What is document indexing?
  20. How do you update knowledge base data?
  21. What is FAISS?
  22. What is Pinecone?
  23. What is Weaviate?
  24. What is Chroma DB?
  25. What role does LangChain play in RAG?

Advanced Level

  1. What are different RAG architectures?
  2. What is naive RAG?
  3. What is advanced RAG?
  4. What is agentic RAG?
  5. What is multi-hop retrieval?
  6. What is query rewriting?
  7. What is a self-query retriever?
  8. What is parent-child chunking?
  9. Difference between document-level and chunk-level retrieval?
  10. What is contextual compression?
  11. How do you handle long documents in RAG?
  12. How does RAG integrate with structured data?
  13. How can SQL databases be used in RAG?
  14. What is retrieval evaluation?
  15. What metrics are used to evaluate RAG?
  16. What is recall vs precision in RAG?
  17. What is MMR (Max Marginal Relevance)?
  18. How does MMR help improve answer quality?
  19. What is data skew in retrieval?
  20. How do you handle stale data?
  21. How do you implement real-time RAG?
  22. How is access control handled in RAG?
  23. How do you secure sensitive documents?
  24. How does multilingual RAG work?
  25. What are common RAG failure patterns?

Expert Level

  1. How do you design a production-grade RAG system?
  2. How does RAG scale to millions of documents?
  3. What are trade-offs between RAG and fine-tuning?
  4. How do you optimize RAG for low latency?
  5. How do you debug poor RAG responses?
  6. What causes irrelevant retrieval?
  7. How do you improve retrieval accuracy?
  8. How do context limits impact RAG?
  9. What strategies help reduce token usage?
  10. How do you prevent prompt injection in RAG?
  11. How do you measure answer faithfulness?
  12. What is RAGAS evaluation framework?
  13. How do you monitor RAG systems in production?
  14. How do you build feedback loops?
  15. What is continuous indexing?
  16. How do you version embeddings?
  17. How do you migrate vector databases safely?
  18. How do you control RAG operational costs?
  19. How do you handle LLM model upgrades?
  20. How does RAG enable explainability?
  21. What is citation-based RAG?
  22. How does RAG work with AI agents?
  23. What are emerging RAG patterns?
  24. What are the limitations of RAG?
  25. Explain enterprise-level RAG use cases.

Related Topics


19 December 2025

# Agentic / Autonomous Agents

#Agentic / Autonomous Agents

Key Concepts


S.No Topic Sub-Topics
1Introduction to Autonomous AgentsDefinition, Types, Applications, Benefits, Industry trends
2Agentic AI OverviewDefinition, Difference from traditional AI, Capabilities, Use cases, Examples
3Multi-Agent SystemsDefinition, Coordination, Communication, Cooperation, Competition
4Agent ArchitecturesReactive agents, Deliberative agents, Hybrid agents, Layered architectures, Examples
5Environment ModelingState representation, Dynamics, Reward functions, Sensors, Actuators
6Perception in Autonomous AgentsData acquisition, Feature extraction, Object detection, Sensor fusion, Challenges
7Decision Making & PlanningSearch algorithms, Planning strategies, Utility functions, Heuristics, Optimization
8Reinforcement Learning for AgentsQ-learning, Policy gradients, Reward shaping, Exploration vs exploitation, Applications
9Goal-Oriented BehaviorGoal representation, Hierarchical planning, Task decomposition, Prioritization, Monitoring
10Autonomous NavigationPath planning, Obstacle avoidance, SLAM, Localization, Motion control
11Communication & CoordinationMessage passing, Protocols, Distributed planning, Consensus, Collaboration
12Learning & AdaptationOnline learning, Transfer learning, Continual learning, Self-improvement, Feedback loops
13Simulation EnvironmentsGazebo, Unity ML-Agents, OpenAI Gym, Custom simulators, Evaluation
14Human-Agent InteractionUser interface, Feedback, Trust, Explainability, Collaboration
15Task Automation & RoboticsRobotic process automation, Physical robots, Task scheduling, Workflow integration, Examples
16Safety & ReliabilityFault tolerance, Error recovery, Risk assessment, Robustness, Monitoring
17Ethics & Responsible AIDecision accountability, Bias mitigation, Fairness, Transparency, Regulatory compliance
18Energy & Resource ManagementEfficiency optimization, Power management, Resource allocation, Scalability, Constraints
19Swarm IntelligenceFlocking behavior, Distributed control, Self-organization, Collective decision making, Applications
20Planning under UncertaintyProbabilistic planning, POMDPs, Risk analysis, Decision making, Examples
21Autonomous Agents for NLPConversational agents, Chatbots, Task automation, Information retrieval, Language understanding
22Autonomous Agents for VisionPerception, Object recognition, Scene understanding, Navigation, Robotics applications
23Autonomous Agents in FinanceTrading agents, Portfolio management, Risk assessment, Fraud detection, Strategy automation
24Autonomous Agents in HealthcareDiagnosis, Treatment planning, Patient monitoring, Robotics, Drug discovery
25Tools & FrameworksLangChain, AutoGPT, Ray, Unity ML-Agents, OpenAI Gym
26Evaluation MetricsTask success rate, Efficiency, Accuracy, Robustness, Adaptability
27Integration with Cloud PlatformsAWS, Azure, GCP, Deployment, Scaling, Monitoring
28Emerging TrendsGenerative agents, Self-improving AI, Multi-modal agents, Autonomous decision making, Research directions
29Challenges & LimitationsComputational cost, Safety, Scalability, Generalization, Ethical concerns
30Career Path & OpportunitiesAI researcher, Robotics engineer, Autonomous systems developer, Skill development, Industry demand

Interview question

Basic Level

  1. What is an agent in Artificial Intelligence?
  2. What is an autonomous agent?
  3. What is agentic AI?
  4. How is an agent different from a traditional AI model?
  5. What are the core components of an intelligent agent?
  6. What is an environment in agent-based systems?
  7. What are percepts and actions?
  8. What is a rational agent?
  9. What is an agent function?
  10. What is an agent program?
  11. What are the types of agents in AI?
  12. What is a simple reflex agent?
  13. What is a model-based agent?
  14. What is a goal-based agent?
  15. What is a utility-based agent?
  16. What is a learning agent?
  17. What is autonomy in AI agents?
  18. What is the difference between reactive and proactive agents?
  19. What is an agent policy?
  20. What is the PEAS framework?
  21. What does PEAS stand for?
  22. What is an episodic environment?
  23. What is a sequential environment?
  24. What is a deterministic environment?
  25. What is a stochastic environment?

Intermediate Level

  1. What is the difference between autonomous agents and rule-based systems?
  2. How do agents handle partial observability?
  3. What is the role of memory in autonomous agents?
  4. What is agent planning?
  5. What is the difference between planning and execution?
  6. What is a multi-agent system (MAS)?
  7. What are cooperative agents?
  8. What are competitive agents?
  9. What is agent communication?
  10. What is an agent protocol?
  11. What is belief-desire-intention (BDI) architecture?
  12. What are beliefs in BDI agents?
  13. What are desires and intentions in BDI?
  14. What is reinforcement learning in agent systems?
  15. How does Q-learning apply to autonomous agents?
  16. What is exploration vs exploitation?
  17. What is reward shaping?
  18. What is a policy-based agent?
  19. What is a value-based agent?
  20. What is agent self-adaptation?
  21. What is agent self-reflection?
  22. What is tool usage in agentic systems?
  23. What are LLM-based agents?
  24. What is prompt chaining in agents?
  25. What is task decomposition in agentic AI?

Advanced Level

  1. How do autonomous agents reason under uncertainty?
  2. What is POMDP and its role in agent design?
  3. How do agents perform long-horizon planning?
  4. What is hierarchical agent architecture?
  5. What is a planner-executor loop?
  6. How do agents manage state and context?
  7. What is agent memory (short-term vs long-term)?
  8. What is vector memory in LLM agents?
  9. How do agents use external tools and APIs?
  10. What is function calling in agent frameworks?
  11. How do agents handle failures and retries?
  12. What is agent orchestration?
  13. What is the difference between agents and workflows?
  14. What is multi-agent coordination?
  15. How do agents negotiate and collaborate?
  16. What is emergent behavior in multi-agent systems?
  17. What is agent alignment?
  18. What are safety risks in autonomous agents?
  19. What is sandboxing for agents?
  20. What is human-in-the-loop for agent systems?
  21. What is agent observability and logging?
  22. How do agents evaluate their own outputs?
  23. What is agent benchmarking?
  24. What is tool hallucination in agents?
  25. How do agents ensure consistency over long tasks?

Expert Level

  1. How do agentic systems differ from AGI?
  2. What are the architectural trade-offs in agent design?
  3. How do you design scalable multi-agent systems?
  4. What is decentralized vs centralized agent control?
  5. How do agents handle conflicting goals?
  6. What is game theory?s role in multi-agent AI?
  7. How do autonomous agents learn from each other?
  8. What is agent self-improvement?
  9. What is recursive self-reflection in agents?
  10. How do agents manage cost and latency?
  11. What is agent governance?
  12. How do you prevent runaway autonomous behavior?
  13. What is alignment drift in long-running agents?
  14. How do agents maintain ethical constraints?
  15. What is evaluation strategy for agentic workflows?
  16. How do you test autonomous agents in production?
  17. What is fault tolerance in agent systems?
  18. How do agents operate in real-time environments?
  19. What is agentic AI?s role in enterprise automation?
  20. How do agents integrate with data pipelines?
  21. What is the future of autonomous agents?
  22. How do agent frameworks like AutoGPT differ from LangGraph?
  23. What are limitations of current agentic systems?
  24. How do regulations impact autonomous agents?
  25. How would you design a fully autonomous enterprise agent?

Related Topics


   LangGraph   
   AutoGen   
   CrewAI   

13 September 2025

#GenAI

#GenAI

Key Concepts


S.No Topic Sub-Topics
1Introduction to Generative AIHistory of AI, Overview of Generative AI, Types of Generative Models, Key Use Cases, AI vs Human Creativity
2AI FundamentalsML Basics, DL Overview, Neural Networks, Supervised vs Unsupervised Learning, Activation Functions
3Generative Models OverviewDefinition, Types, Applications, Strengths & Limitations, Popular Frameworks
4Probabilistic ModelsBayesian Networks, Markov Chains, Hidden Markov Models, Conditional Probability, Inference Techniques
5Variational Autoencoders (VAE)Architecture, Encoder & Decoder, Latent Space, Loss Functions, Applications
6Generative Adversarial Networks (GANs)Generator & Discriminator, Training Process, Loss Functions, Popular Variants (DCGAN, CycleGAN), Applications
7Diffusion ModelsConcept of Diffusion, Forward & Reverse Processes, Noise Schedules, Denoising, Use Cases in Images
8Transformers for GenAIAttention Mechanism, Encoder-Decoder Architecture, Self-Attention, Positional Encoding, Use in Text/Image Generation
9Large Language Models (LLMs)Definition, Examples (GPT, BERT), Training Data, Tokenization, Limitations & Bias
10Text GenerationPrompt Engineering, Beam Search, Temperature & Top-k Sampling, Fine-tuning Models, Text Summarization
11Image GenerationGAN-based Image Generation, Diffusion Models, Text-to-Image, Inpainting, Super-Resolution
12Audio & Music GenerationWaveNet, MusicVAE, Text-to-Speech, Voice Cloning, Sound Effects Generation
13Video GenerationVideo Synthesis, Frame Interpolation, Video-to-Video Translation, DeepFake Techniques, Ethical Considerations
14Reinforcement Learning for GenAIRL Basics, Policy & Value Networks, Reward Functions, RLHF (Human Feedback), Applications in Text & Games
15Data Preparation & AugmentationDataset Collection, Cleaning, Normalization, Synthetic Data Generation, Data Labeling
16Fine-Tuning & Transfer LearningPre-trained Models, Domain Adaptation, Hyperparameter Tuning, Prompt Tuning, LoRA & PEFT
17Evaluation MetricsPerplexity, BLEU, FID, IS, Human Evaluation, Metrics for Text, Image, Audio
18Ethics in GenAIBias & Fairness, DeepFakes, Misinformation, Copyright Issues, Responsible AI Guidelines
19GenAI Frameworks & ToolsTensorFlow, PyTorch, HuggingFace Transformers, Diffusers, OpenAI API
20Prompt EngineeringEffective Prompts, Chain-of-Thought, Zero-shot vs Few-shot, Context Management, Prompt Templates
21GenAI in NLP ApplicationsChatbots, Summarization, Translation, Sentiment Analysis, Question Answering
22GenAI in Vision ApplicationsArt Generation, Style Transfer, Image Enhancement, Object Synthesis, Medical Imaging
23GenAI in Audio ApplicationsMusic Composition, Voice Cloning, Speech-to-Text, Soundscapes, Podcast Generation
24GenAI in Gaming & SimulationNPC Dialogue, Procedural Content Generation, Story Generation, Game Level Design, AI Opponents
25Deployment of GenAI ModelsCloud Services, API Deployment, Model Serving, Scalability, Monitoring
26Optimization & EfficiencyQuantization, Pruning, Knowledge Distillation, Low-resource Training, Latency Reduction
27GenAI for BusinessMarketing Content, Personalized Recommendations, Automated Reports, Customer Support, Generative Analytics
28Security & PrivacyData Privacy, Model Stealing, Adversarial Attacks, Secure Model Sharing, Differential Privacy
29Future Trends in GenAIMulti-modal AI, Self-supervised Learning, General AI, AI Agents, AI in Healthcare & Research
30Capstone ProjectChoose a GenAI Domain, Collect Data, Train Model, Evaluate, Deploy, Document & Present

Interview question

📘 Basic Level

  1. What is Generative AI (GenAI)?
  2. What are the key features of GenAI?
  3. How is GenAI different from traditional AI?
  4. What are some common use cases of GenAI?
  5. What is a generative model?
  6. What are GANs (Generative Adversarial Networks)?
  7. What is a Variational Autoencoder (VAE)?
  8. What are diffusion models in GenAI?
  9. What is an autoregressive model?
  10. What is the role of a generator in GANs?
  11. What is the role of a discriminator in GANs?
  12. What is latent space in VAEs?
  13. What is the difference between supervised and unsupervised GenAI models?
  14. What is tokenization in NLP-based GenAI?
  15. What is a transformer?
  16. What are attention and self-attention mechanisms?
  17. What are Large Language Models (LLMs)?
  18. What is the context window in LLMs?
  19. What is prompt engineering?
  20. What is zero-shot learning?
  21. What is few-shot learning?
  22. What is the difference between generative and discriminative models?
  23. What is text generation?
  24. What is image generation using AI?
  25. What are some common ethical concerns in GenAI?

📗 Intermediate Level

  1. How do GANs generate realistic data?
  2. What is KL Divergence in VAEs?
  3. What is the training process of a GAN?
  4. How do diffusion models generate images?
  5. What is the difference between DALL-E and Stable Diffusion?
  6. What is inpainting in image generation?
  7. How does reinforcement learning fit into GenAI?
  8. What is RLHF (Reinforcement Learning with Human Feedback)?
  9. What is the temperature parameter in text generation?
  10. What are top-k and top-p sampling strategies?
  11. How do transformers improve NLP tasks?
  12. What is BERT and its use case?
  13. What is GPT and how does it work?
  14. How do embeddings work in text generation?
  15. What is multimodal GenAI?
  16. What is text-to-image generation?
  17. What is text-to-audio generation?
  18. How is synthetic data used in GenAI training?
  19. What is prompt tuning?
  20. How do you prevent hallucinations in LLMs?
  21. How is human-in-the-loop used in GenAI?
  22. How do you evaluate GenAI models?
  23. What is FID (Fréchet Inception Distance)?
  24. What is BLEU score for text evaluation?
  25. What are common safety measures in GenAI applications?

📕 Advanced Level

  1. How do GANs and VAEs differ in their approach?
  2. What is a conditional GAN?
  3. How does StyleGAN work?
  4. What is a diffusion denoising process?
  5. How do you fine-tune large language models?
  6. What is parameter-efficient fine-tuning (PEFT)?
  7. What is LoRA in GenAI model tuning?
  8. How do transformers handle long sequences?
  9. What are attention heads in transformers?
  10. How does a transformer encoder-decoder architecture work?
  11. How do you handle context in long text generations?
  12. How do you implement multi-modal GenAI pipelines?
  13. How do you perform prompt engineering for complex tasks?
  14. How do you evaluate generative models quantitatively?
  15. What is the role of synthetic data in model generalization?
  16. How do you implement model distillation?
  17. How do you compress large GenAI models for deployment?
  18. How do you handle bias in GenAI models?
  19. How do you integrate GenAI models into applications?
  20. How do you optimize inference for latency and memory?
  21. How do you perform few-shot learning with LLMs?
  22. How do you evaluate multimodal models?
  23. What is chain-of-thought prompting?
  24. How do you handle adversarial inputs in GenAI?
  25. How do you implement domain-specific GenAI models?

📓 Expert Level

  1. How do you design scalable GenAI architectures?
  2. How do you deploy GenAI models in production?
  3. How do you perform distributed training for LLMs?
  4. How do you monitor model drift in GenAI?
  5. How do you implement online learning in GenAI systems?
  6. How do you handle privacy and security in GenAI?
  7. How do you implement AI alignment and safety measures?
  8. How do you design multi-agent generative systems?
  9. How do you perform evaluation at enterprise scale?
  10. How do you optimize transformer models for edge devices?
  11. How do you implement self-supervised pretraining?
  12. How do you handle zero-shot and few-shot generation at scale?
  13. How do you implement GenAI for real-time applications?
  14. How do you integrate GenAI with existing cloud services?
  15. How do you handle adversarial attacks in GenAI models?
  16. How do you design multimodal AI agents?
  17. How do you implement explainable GenAI (XAI) for complex tasks?
  18. How do you optimize diffusion models for faster sampling?
  19. How do you evaluate alignment of GenAI with human preferences?
  20. How do you perform large-scale model evaluation benchmarks?
  21. How do you implement GenAI pipelines in production MLOps?
  22. How do you handle domain adaptation in GenAI models?
  23. How do you implement iterative feedback loops with human evaluators?
  24. How do you integrate GenAI for autonomous decision-making?
  25. What are emerging trends and future directions in GenAI (AGI, autonomous agents, self-supervised learning)?

Related Topics


#LLM

#LLM Frameworks

Key Concepts


S.No Topic Sub-Topics
1Introduction to LLM FrameworksDefinition, Importance, Applications, Types of LLMs, Industry trends
2Overview of Large Language ModelsGPT, BERT, LLaMA, PaLM, Key concepts
3Transformers ArchitectureAttention mechanism, Encoder-decoder, Self-attention, Multi-head attention, Positional encoding
4Tokenization TechniquesWordPiece, Byte-Pair Encoding, SentencePiece, Tokenization libraries, Preprocessing
5Embedding RepresentationsWord embeddings, Contextual embeddings, Positional embeddings, Dimensionality, Fine-tuning
6Pretrained Models & FrameworksHugging Face, OpenAI GPT, Cohere, Meta LLaMA, Integration
7Fine-tuning LLMsSupervised fine-tuning, Parameter-efficient tuning, LoRA, PEFT, Evaluation
8Prompt EngineeringPrompt design, Zero-shot, Few-shot, Chain-of-thought, Best practices
9LLM Training PipelinesData preprocessing, Dataset curation, Training loop, Checkpointing, Monitoring
10Inference OptimizationQuantization, Pruning, Mixed precision, Batch inference, Latency optimization
11Evaluation MetricsPerplexity, BLEU, ROUGE, Accuracy, Human evaluation
12LLM Frameworks ComparisonHugging Face, OpenAI, Cohere, Meta LLaMA, LangChain integration
13Integration with APIsREST API, SDKs, Streaming, Rate limiting, Authentication
14Vector Databases & LLMsPinecone, Weaviate, Milvus, FAISS, Embedding storage
15LangChain FrameworkChains, Agents, Memory, Tools, Integrations
16RAG (Retrieval-Augmented Generation)Definition, Pipelines, Vector search, Integration with LLMs, Applications
17LLM for NLP TasksText classification, Summarization, NER, QA systems, Sentiment analysis
18LLM for Code GenerationCode understanding, Generation, Auto-completion, Evaluation, Tools
19Multi-modal LLMsText-to-image, Text-to-speech, Vision-language models, Applications, Frameworks
20LLM Deployment StrategiesCloud deployment, On-premise deployment, Edge deployment, Monitoring, Scaling
21LLM Security & PrivacyData privacy, Model watermarking, Access control, Compliance, Threats
22Prompt Tuning & Instruction TuningSoft prompts, Instruction datasets, Fine-tuning strategies, Evaluation, Best practices
23RLHF (Reinforcement Learning with Human Feedback)Concept, Training pipeline, Reward model, Applications, Challenges
24Open-source LLM FrameworksHugging Face, LLaMA, Falcon, MPT, Integration tools
25LLM in Chatbots & Virtual AssistantsConversation design, Context handling, Multi-turn dialogue, Personalization, Evaluation
26Monitoring LLMs in ProductionLogging, Metrics, Drift detection, Alerting, Performance tracking
27Cost Optimization in LLM UsageCompute optimization, Model selection, Batch inference, Quantization, Cloud cost management
28Ethics & Bias in LLMsBias detection, Fairness, Mitigation strategies, Responsible AI, Regulatory compliance
29Future Trends in LLM FrameworksMultilingual models, Model scaling, Efficiency improvements, AGI research, Emerging frameworks
30Career Path & LLM OpportunitiesLLM engineer, Researcher, AI consultant, Skill development, Industry roles

Interview question

🟢 Basic Level

  1. What is a Large Language Model (LLM)?
  2. What is a language model?
  3. Difference between AI, ML, NLP, and LLMs.
  4. What is a token in an LLM?
  5. What is tokenization?
  6. What is vocabulary in an LLM?
  7. What is a transformer model?
  8. What is a parameter in an LLM?
  9. What is a hidden layer?
  10. What is a neural network?
  11. What is an embedding?
  12. What is pre-training?
  13. What is fine-tuning?
  14. What is prompt?
  15. What is context length?
  16. What is inference in LLMs?
  17. What is temperature in decoding?
  18. What is top-k sampling?
  19. What is top-p (nucleus) sampling?
  20. What is greedy decoding?
  21. What is beam search?
  22. What is hallucination in LLMs?
  23. What is a checkpoint?
  24. What is a causal language model?
  25. Difference between encoder, decoder, and encoder-decoder models.

🟡 Intermediate Level

  1. Explain self-attention.
  2. What is multi-head attention?
  3. What is positional encoding?
  4. What is layer normalization?
  5. What is a transformer block?
  6. What is masked self-attention?
  7. What is cross-attention?
  8. What is sequence-to-sequence modeling?
  9. What is model perplexity?
  10. What is loss function in LLM training?
  11. What is gradient descent?
  12. What is batch size?
  13. What is a learning rate?
  14. What is distributed training?
  15. What is transfer learning in LLMs?
  16. What is instruction tuning?
  17. What is SFT (Supervised Fine-Tuning)?
  18. What is RLHF (Reinforcement Learning from Human Feedback)?
  19. What is reward modeling?
  20. What is a system prompt?
  21. What are attention masks?
  22. What is a tokenizer vocabulary size?
  23. What is quantization in LLMs?
  24. What is model pruning?
  25. What is LoRA (Low-Rank Adaptation)?

🔵 Advanced Level

  1. Explain the transformer architecture from end to end.
  2. What is KV cache?
  3. What is rotary positional embedding (RoPE)?
  4. What is ALiBi?
  5. What is FlashAttention?
  6. What are Mixture-of-Experts (MoE) models?
  7. What is a gating network in MoE?
  8. What is gradient checkpointing?
  9. What is pipeline parallelism?
  10. Difference between tensor parallelism and data parallelism.
  11. What is sequence parallelism?
  12. What is speculative decoding?
  13. What is parallel decoding?
  14. What is lookahead decoding?
  15. What is a synthetic dataset for LLM training?
  16. How do you evaluate LLM safety?
  17. What is a benchmark dataset for LLMs?
  18. What is prompt injection attack?
  19. What is jailbreak in LLMs?
  20. What is adversarial prompting?
  21. What is retrieval-augmented generation (RAG)?
  22. What is a vector database?
  23. What are embeddings used for in RAG?
  24. What is chunking in RAG pipelines?
  25. How is latency reduced during LLM inference?

🔴 Expert Level

  1. What is reinforcement learning with AI feedback (RLAIF)?
  2. What is a self-supervised training objective?
  3. What is next-token prediction?
  4. What is masked language modeling (MLM)?
  5. What is contrastive learning in LLMs?
  6. What is alignment in AI systems?
  7. What is constitutional AI?
  8. What are safety guardrails in LLMs?
  9. Explain the architecture of GPT-style models.
  10. Explain the architecture of BERT-style models.
  11. Difference between decoder-only, encoder-only, encoder-decoder LLMs.
  12. What is multimodal LLM?
  13. What is vision-language pretraining?
  14. Explain why LLMs need huge compute resources.
  15. What is a sparse attention mechanism?
  16. What are multi-query attention models?
  17. What is inference optimization using quantized kernels?
  18. What is distillation for LLMs?
  19. What is agentic AI?
  20. What is tool-use capability in LLMs?
  21. What is memory-based agent architecture?
  22. What is the future of LLM scaling laws?
  23. What are responsible AI principles for LLMs?
  24. How do you secure LLMs against data poisoning?
  25. What are emerging research areas in LLMs?


Related Topics


   LangChain   
   LlamaIndex   
   Haystack Agents