Interview Vault

Master the technical rounds. Curated questions for AI Engineers.

Medium
TransformerInterpretabilityTheory

How does the attention mechanism help with interpretability?

Hard
Fine-tuningPEFTOptimization

Difference between LoRA and QLoRA?

Medium
Fine-tuningOptimization

Explain PEFT (Parameter-Efficient Fine-Tuning).

Easy
ArchitectureConstraints

What is the Context Window?

Medium
RAGStrategySystem Design

Fine-tuning vs. RAG: When to use which?

Medium
Fine-tuningChallenges

Common problems faced while fine-tuning LLMs?

Easy
EmbeddingsMath

Explain Embeddings and why they are vector plots.

Hard
RAGOptimization

How to optimize a RAG pipeline for better results?

Medium
AgentsDefinitions

Difference between AI Agents and Agentic AI?

Easy
TheoryBasics

Overfitting vs. Underfitting

Easy
MetricsEvaluation

Precision vs. Recall

Hard
Deep LearningArchitecture

RNNs vs. LSTMs vs. Transformers

Medium
OptimizationMath

Explain Gradient Descent.

Medium
DebuggingDeep Learning

How to detect Exploding vs. Vanishing Gradients?

Medium
Data EngineeringProcess

Explain Feature Engineering.

Hard
GenAIComputer Vision

What are GANs (Generative Adversarial Networks)?

Easy
PythonSoftware Engineering

Explain OOP concepts in Python.

Medium
PythonConcurrency

Python Threading vs. Multiprocessing?

Hard
ArchitectureAgentsSQL

Design an AI Agent for E-commerce (SQL + RAG).

Medium
InfrastructureDatabases

Why use Vector DBs instead of standard SQL?

Hard
AgentsLangChain

Building Agentic AI with LangGraph.

Easy
CommunicationBasics

AI/ML/DL explained for non-tech people.