LLMOps 与生产应用

题集来源:AMIT SHEKHAR(amitshekhariitbhu)收录项目:ai-engineering-interview-questions查看原题集

题目目录

53 道原题
  1. How does Prompt Caching work?

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  2. Prefill vs Decode

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  3. Why is prefill compute-bound and decode memory-bandwidth-bound?

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  4. What is chunked prefill, and why does it improve tail latency under mixed traffic?

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  5. What is Prefill-Decode Disaggregation, and when does it pay off?

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  6. Explain the AI product lifecycle from ideation to production.

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  7. What is LLMOps, and how does it differ from traditional MLOps?

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  8. How do you serve LLMs in production?

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  9. What is model quantization?

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  10. Explain post-training quantization (PTQ) vs quantization-aware training (QAT). What breaks when you push weights to 2-4 bits?

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  11. How do you monitor LLM applications in production?

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  12. What is LLM observability?

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  13. What are guardrails for LLMs, and how do you implement them?

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  14. How do you implement content filtering for AI outputs?

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  15. How do you estimate the cost of running an AI-powered feature in production?

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  16. How do you optimize LLM inference costs in production?

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  17. How do you implement A/B testing for LLM systems?

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  18. What is CI/CD for AI applications, and how does it differ from traditional CI/CD?

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  19. How do you version and manage prompts in production?

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  20. What is model versioning, and how do you handle model rollbacks?

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  21. How do you implement rate limiting and throttling for LLM APIs?

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  22. How do you handle model updates and migrations without downtime?

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  23. What is the role of feature flags in AI deployments?

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  24. How do you implement logging and tracing for LLM applications?

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  25. How do you handle PII and sensitive data in LLM inputs and outputs?

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  26. What is a gateway pattern for LLM API management?

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  27. How does Token Streaming work?

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  28. How do you implement streaming responses for real-time AI applications?

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  29. How does vLLM work?

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  30. How does SGLang work?

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  31. How does TensorRT-LLM work?

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  32. How does llama.cpp run LLMs on everyday hardware?

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  33. How does Ollama work?

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  34. When would you choose vLLM vs SGLang vs TensorRT-LLM?

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  35. What are the key SLAs and metrics for production AI systems (latency, throughput, availability)?

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  36. Cloud vs on-device Model Deployment for AI applications.

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  37. How do you implement fallback strategies when the primary model is unavailable or rate-limited?

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  38. How do you implement structured output from LLMs reliably in production?

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  39. How do you handle long contexts efficiently in production (context compression, prefix caching)?

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  40. What is semantic routing, and how do you implement it in a multi-model system?

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  41. How do you manage secrets and API keys securely in LLM applications?

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  42. Your LLM API has latency spikes during peak hours. How do you stabilize it?

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  43. Your LLM endpoint's p99 latency doubled after a deploy with no model change. How do you diagnose it?

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  44. Your LLM costs are too high in production. How do you reduce costs without degrading quality?

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  45. Your application is hitting LLM provider rate limits during peak hours. How do you handle it?

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  46. Your application depends on one LLM provider. How do you switch providers without downtime?

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  47. Your AI system handles 100 requests/sec but crashes at 5000. How do you scale for concurrent requests?

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  48. A traffic spike brings down your AI system. How do you handle peak traffic?

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  49. One LLM provider outage took down your entire system. How do you eliminate single points of failure?

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  50. Your multi-LLM pipeline fails when one model in the chain breaks. How do you handle orchestration failure?

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  51. Your AI pipeline has zero visibility into which step is failing. How do you add observability?

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  52. You quantized your LLM, but accuracy dropped significantly. How do you minimize quantization loss?

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  53. One failing AI component can take down your entire platform. How do you design graceful degradation?

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