Implement Probes and Health Checks CKAD Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   Which kubectl command shows detailed information about a pod, including probe configuration and recent probe failures?

   • Akubectl get pod <pod-name> -o yaml
   • Bkubectl logs pod <pod-name>
   • Ckubectl describe pod <pod-name>
   • Dkubectl exec <pod-name> -- ps aux
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2. 2foundation · easy

   What happens to a pod whose readiness probe is failing, assuming the liveness probe is passing?

   • AThe container is killed and restarted.
   • BThe pod is deleted and recreated on another node.
   • CThe pod is removed from the endpoints of Services that select it.
   • DThe pod's status is set to Failed and the container is terminated.
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4. 3foundation · easy

   During which phase of a container's lifecycle does a startup probe execute?

   • AOnly after the liveness probe has failed at least once.
   • BOnly once, when the container is first created, to verify the image is valid.
   • CContinuously, at regular intervals, for the entire lifetime of the container.
   • DAt the beginning of the container's life, until it succeeds or the failureThreshold is reached.
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5. 4foundation · easy

   What is the default value of successThreshold for a liveness probe?

   • A10
   • B5
   • C1
   • D3
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6. 5foundation · easy

   What is the primary purpose of a startup probe in a Kubernetes pod?

   • ATo verify that the container can accept network connections on a specific port.
   • BTo measure the time it takes for the container to start and report it in the pod status.
   • CTo control whether the pod receives traffic from a Service during its initial startup.
   • DTo prevent the liveness probe from killing a slow-starting container before it is ready.
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