{
  "title": "Backend Developer Screen",
  "time_limit_seconds": 3600,
  "max_attempts": 2,
  "questions": [
    {
      "id": "q1",
      "type": "multi_option",
      "multi_correct": false,
      "prompt": "Which HTTP method is idempotent?",
      "options": [
        { "id": "a", "text": "POST" },
        { "id": "b", "text": "PUT" },
        { "id": "c", "text": "PATCH" }
      ],
      "correct": ["b"]
    },
    {
      "id": "q2",
      "type": "multi_option",
      "multi_correct": true,
      "prompt": "Which of these are valid MariaDB storage engines?",
      "options": [
        { "id": "a", "text": "InnoDB" },
        { "id": "b", "text": "Aria" },
        { "id": "c", "text": "Bigtable" },
        { "id": "d", "text": "MyISAM" }
      ],
      "correct": ["a", "b", "d"]
    },
    {
      "id": "q3",
      "type": "free_text",
      "prompt": "Explain how MariaDB replication works.",
      "max_length": 2000
    }
  ]
}