Question bank

4,310 interview questions, answered.

Reference answers, what the interviewer is really testing, how it is graded, and the follow-ups that come next.

Easy 10Medium 67Hard 3
Filters · onDifficulty, topic, company

80 questions

  1. 1What's the effect of adjusting an LLM's context window size?MediumAI MLTechnical· OpenAI
  2. 2What is the best way to connect SQL databases and why?MediumTechnicalData· Airbnb, Google
  3. 3Define hallucinations in LLMs.MediumAI MLTechnical· Anthropic, Mastercard
  4. 4Describe what happens when you type a URL into your browser and press Enter.MediumTechnical· Google, Uber
  5. 5Design an advertising product for Lyft.MediumTechnicalProduct· Lyft
  6. 6Design a lending library for communities.MediumTechnicalProduct· Meta
  7. 7Explain the differences between an interface and an abstract class.MediumCodingTechnical· Goldman Sachs, Microsoft
  8. 8What are the differences between TCP and UDP?MediumTechnical· Meta, Solenis
  9. 9Estimate the total time wasted in meetings across the US.HardBehavioralTechnical· Google
  10. 10How do you think about AI safety, ethics, guardrails, and governance?MediumAI MLTechnical· Anthropic
  11. 11Explain Bayes' theorem.MediumTechnicalData· Goldman Sachs, LinkedIn
  12. 12Explain BERT.MediumTechnical· Microsoft
  13. 13Explain a typical computer vision pipeline.MediumTechnical· Scale AI
  14. 14Explain Deep Learning to a non-technical audience.MediumTechnical· Google, LendingClub
  15. 15Explain deep reinforcement learning.MediumTechnical· OpenAI
  16. 16Explain malloc, calloc, and reelloc.MediumCodingTechnical· Google
  17. 17Explain the React lifecycle.MediumTechnical· Google
  18. 18Explain TF-IDF.MediumTechnical· Netflix
  19. 19Explain how garbage collection works in programming.MediumTechnical· Infosys
  20. 20How is gradient descent and model optimization used in linear regression?MediumTechnicalAI ML· OpenAI
  21. 21How would you handle hallucinations in a generative AI model deployed to users?MediumAI MLTechnical· Anthropic, OpenAI
  22. 22How do autonomous vehicles work?MediumTechnical· CCruise
  23. 23How would you improve Gmail?MediumTechnicalProduct· Google, Monday
  24. 24How would you measure the success of Discord's new game purchasing feature?MediumTechnical· Discord