{
  "id": "09",
  "content": [
    {
      "type": "heading",
      "text": "Rollback and Recovery"
    },
    {
      "type": "text",
      "html": "Rollback is not failure. It is a safety mechanism that lets you recover when a launch creates unacceptable risk."
    },
    {
      "type": "text",
      "html": "A rollback plan should define what can be reverted, who can approve it, how long it takes, and what data might be affected."
    },
    {
      "type": "text",
      "html": "Not every issue requires rollback. Sometimes a hotfix is safer. The decision depends on user impact, business risk, data integrity, and confidence in the fix."
    },
    {
      "type": "callout",
      "style": "info",
      "html": "<strong>Practice:</strong> For each major launch change, write the rollback command or manual reversal step before launch day."
    }
  ],
  "quiz": {
    "questions": [
      {
        "id": "q1",
        "type": "single",
        "text": "What is rollback?",
        "options": [
          {
            "id": "a",
            "text": "A planned recovery mechanism"
          },
          {
            "id": "b",
            "text": "A sign that planning is pointless"
          },
          {
            "id": "c",
            "text": "A type of heading"
          }
        ],
        "correct": [
          "a"
        ]
      },
      {
        "id": "q2",
        "type": "single",
        "text": "What should guide rollback decisions?",
        "options": [
          {
            "id": "a",
            "text": "User impact, business risk and confidence in the fix"
          },
          {
            "id": "b",
            "text": "Random preference"
          },
          {
            "id": "c",
            "text": "Only font size"
          }
        ],
        "correct": [
          "a"
        ]
      }
    ]
  }
}