1 / 5
A pod is stuck in 'CrashLoopBackOff'. What does that indicate?
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CrashLoopBackOff means the container repeatedly crashes on start; Kubernetes waits longer between restarts.
2 / 5
A pod shows 'ImagePullBackOff'. What is the likely cause?
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ImagePullBackOff means the image couldn't be pulled — often a bad tag, private registry, or auth issue.
3 / 5
A container was 'OOMKilled'. What happened?
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OOMKilled means the container used more memory than allowed and was killed (out of memory).
4 / 5
To investigate, an engineer runs 'kubectl describe pod' to read the 'Events'. What do events show?
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The Events section lists recent lifecycle messages (scheduled, pulled, failed) useful for diagnosis.
5 / 5
Which sentence correctly uses 'liveness probe'?
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A liveness probe checks if a container is healthy; repeated failures trigger a restart.