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4,310 interview questions, answered.
Reference answers, what the interviewer is really testing, how it is graded, and the follow-ups that come next.
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36 questions
- 1A/B testing LLM productsHardAI ML
- 2Agent memory: short-term vs long-termHardAI ML
- 3Catastrophic forgetting during fine-tuningHardAI ML
- 4Common agent failure modes in productionHardAI ML
- 5Designing LLM benchmarks: MMLU, GSM8K, HELMHardAI ML
- 6Detecting distribution shift in production LLM trafficHardAI ML
- 7DPO vs RLHF/PPO: when would you pick each?HardAI ML
- 8Evaluating reasoning models vs chat modelsHardAI ML
- 9Fine-tuning vs RAG vs prompt engineeringHardAI ML
- 10FlashAttention and why it mattersHardAI ML
- 11Guardrails for agents that call external APIsHardAI ML
- 12How do you evaluate a RAG system?HardAI ML
- 13How do you evaluate an agent?HardAI ML
- 14Knowledge distillation for LLMsHardAI ML
- 15Latency vs throughput vs cost: choosing batch sizesHardAI ML
- 16LLM-as-judge: when it works, when it failsHardAI ML
- 17LLM observability vs classical ML observabilityHardAI ML
- 18Measuring hallucination rate without expensive human evalHardAI ML
- 19Mitigating hallucinations in RAGHardAI ML
- 20Monitoring RAG in productionHardAI ML
- 21Multi-agent orchestration: when does it help?HardAI ML
- 22Paged attention (vLLM)HardAI ML
- 23Planning and decomposition in multi-step agent tasksHardAI ML
- 24Prompt caching and KV cache prefix sharingHardAI ML