{
  "id": "kubectl-output-format-mcq",
  "title": "kubectl Output Formats",
  "category": "Core Concepts",
  "difficulty": "Easy",
  "type": "mcq",
  "weight": 2,
  "description": "## kubectl Output Formats\n\nYou need to retrieve the **full live manifest** of a running deployment named `frontend` in YAML format so you can save it to a file for version control.\n\nWhich command produces the correct output?",
  "options": [
    {
      "id": "a",
      "text": "`kubectl describe deployment frontend` — prints a human-readable summary with events"
    },
    {
      "id": "b",
      "text": "`kubectl get deployment frontend -o yaml` — prints the full manifest in YAML format"
    },
    {
      "id": "c",
      "text": "`kubectl export deployment frontend` — exports a portable manifest (removed in k8s 1.18)"
    },
    {
      "id": "d",
      "text": "`kubectl manifest deployment frontend` — a built-in command for generating manifests"
    }
  ],
  "correct_option": "b",
  "explanation": "`kubectl get <resource> -o yaml` (or `--output=yaml`) prints the full live manifest as YAML, including all managed fields. `kubectl describe` gives a human-readable summary with events — not a re-applicable YAML manifest. `kubectl export` was removed in Kubernetes 1.18. `kubectl manifest` does not exist. Use `-o json` for JSON output, or `-o jsonpath='...'` to extract specific fields. To save to a file: `kubectl get deployment frontend -o yaml > frontend.yaml`.",
  "hints": [
    {
      "title": "Output format flags",
      "body": "The `-o` / `--output` flag controls format: `-o yaml`, `-o json`, `-o wide` (extra columns), `-o name` (just the resource name), `-o jsonpath='...'` (field extraction).",
      "command": "kubectl get deployment frontend -o yaml"
    }
  ],
  "setup_commands": [],
  "default_namespace": "default",
  "teardown_commands": []
}