Domain 1 · 20% of Exam

Fundamentals of AI and ML

Domain 1 tests your understanding of basic AI and ML concepts, types of learning, the ML development lifecycle, and AWS AI/ML services.

What You'll Be Tested On

  • Differences between AI, ML, deep learning, and generative AI
  • Supervised learning: classification and regression
  • Unsupervised learning: clustering and dimensionality reduction
  • Reinforcement learning: agents, rewards, and policies
  • The ML lifecycle: data collection, training, evaluation, deployment, monitoring
  • AWS AI services: Rekognition, Comprehend, Textract, Polly, Transcribe, Lex, Personalize

Key AWS Services in This Domain

Exam Tips for Domain 1

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Know the difference between AI, ML, deep learning, and generative AI — these are commonly tested.

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Understand when to use supervised vs unsupervised vs reinforcement learning.

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Memorize which AWS AI service maps to which use case (e.g., Rekognition = images, Comprehend = text).

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Understand the complete ML lifecycle from data preparation through deployment and monitoring.

Practice Domain 1 Questions

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