4. Understand GitHub Copilot Data and Architecture (10-15%)

This domain is where the abstract responsible-use rules from Phase 3 become concrete machinery. When you can see how a prompt is built, where it travels, what filters it passes through, and where the LLM's blind spots come from, the exam's data and privacy questions stop being memorization and start being derivation. The single most exam-relevant artifact here is the code suggestion lifecycle — the syllabus literally asks you to visualize it — so we build that picture step by step.