DCA · Question #74
DCA Question #74: Real Exam Question with Answer & Explanation
The correct answer is B: No. Kubernetes automatically restarts an unhealthy container detected by a failed liveness probe, rather than executing a user-defined script to fix it.
Question
One of several containers in a pod is marked as unhealthy after failing its livenessProbe many times. Is this the action taken by the orchestrator to fix the unhealthy container? Solution: Kubernetes automatically triggers a user-defined script to attempt to fix the unhealthy container.
Options
- AYes
- BNo
Explanation
Kubernetes automatically restarts an unhealthy container detected by a failed liveness probe, rather than executing a user-defined script to fix it.
Common mistakes.
- A. Kubernetes' built-in response to a liveness probe failure is to restart the container, not to execute a separate user-defined remediation script.
Concept tested. Kubernetes liveness probe default action
Reference. https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#container-probes
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