Abhinav Sinha
124e5276d4
- Split `scenarios/scenarios.json` into individual JSON files under `scenarios/data/` named `<scenario-id>.json` - Split `scenarios/bundles.json` into individual JSON files under `scenarios/bundles/` named `<bundle-id>.json` - Updated `backend/server.js` to dynamically load scenario and bundle files from their respective directories - Updated documentation in `scenarios/SCHEMA.md` and `README.md` to reflect the new repository layout and contributor workflow Signed-off-by: Abhinav Sinha <[email protected]>
40 lines
1.5 KiB
JSON
40 lines
1.5 KiB
JSON
{
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"id": "labels-selectors-mcq",
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"title": "Labels and Selectors",
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"category": "Core Concepts",
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"difficulty": "Easy",
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"type": "mcq",
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"weight": 3,
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"description": "## Labels and Selectors\n\nYou run the following command:\n\n```bash\nkubectl get pods -l env=prod,tier=frontend\n```\n\nWhat does this command return?",
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"options": [
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{
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"id": "a",
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"text": "Pods that have BOTH `env=prod` AND `tier=frontend` labels"
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},
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{
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"id": "b",
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"text": "Pods that have either `env=prod` OR `tier=frontend` labels"
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},
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{
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"id": "c",
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"text": "Pods that do NOT have `env=prod` or `tier=frontend` labels"
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},
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{
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"id": "d",
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"text": "All pods, sorted by the `env` and `tier` label values"
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}
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],
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"correct_option": "a",
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"explanation": "When you specify multiple label selector expressions separated by commas, Kubernetes applies a logical **AND** — all conditions must be true. Only pods that have both `env=prod` **and** `tier=frontend` are returned. Use `-l 'env in (prod,staging)'` for OR-style matching.",
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"hints": [
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{
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"title": "How comma-separated selectors work",
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"body": "The `-l` flag accepts a comma-separated list of `key=value` expressions. Multiple expressions are ANDed together — all must match for a pod to be included in the result.",
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"command": "kubectl get pods -l env=prod,tier=frontend"
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}
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],
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"setup_commands": [],
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"default_namespace": "default",
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"teardown_commands": []
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}
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