READ_ONLY_ACCESS
[
  {
    "id": "ct-w12-000",
    "front": "Week 12 Diagnostic: In Top-Down system design, what is the starting point of the architecture?",
    "back": "Answer: B — Top-Down design begins with the high-level system purpose and iteratively breaks it down into smaller sub-components."
  },
  {
    "id": "ct-w12-001",
    "front": "Week 12 Diagnostic: In a Decision Tree, what do internal nodes represent?",
    "back": "Answer: B — Internal nodes test conditions (e.g. Age > 30); terminal leaf nodes output the predicted class or value."
  }
]