KCNA Kubernetes Fundamentals Practice Question
Which kubectl command would you use to view detailed information about a pod named 'web-pod' in the 'default' namespace?
⚠ Common exam trap
Candidates often confuse `kubectl get` with `kubectl describe`, assuming that `get` provides all details, when in fact `get` only shows a terse summary and `describe` is required for the full object dump and event history.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
kubectl describe pod web-pod
The `kubectl describe pod web-pod` command retrieves detailed information about the specified pod, including its current status, events, container details, resource limits, and labels. This is the correct command for viewing comprehensive metadata and state information beyond the basic summary provided by `kubectl get`.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
kubectl describe pod web-pod
Why this is correct
kubectl describe pod web-pod queries the API server for the pod's full status, including events, conditions, container states, and recent scheduling failures. It defaults to the current namespace, so the default namespace requires no extra flag.
- ✗
kubectl get pod web-pod
Why it's wrong here
kubectl get pod returns a summary line, omitting the detailed status, events and container state the question asks for. It is tempting because it confirms the pod exists, and would be correct for a quick listing or checking readiness, but describe is needed for full detail.
- ✗
kubectl logs web-pod
Why it's wrong here
kubectl logs retrieves container stdout/stderr output, not pod metadata such as status, IP or events. It is tempting because logs are a common troubleshooting step, and would be correct when diagnosing application errors or crashes rather than inspecting the pod's configuration and state.
- ✗
kubectl exec web-pod -- env
Why it's wrong here
kubectl exec runs a command inside a container, returning environment variables rather than pod details. It is tempting because it inspects the running workload directly, and would be correct for verifying injected configuration or debugging from within the container, not for viewing pod status and metadata.
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