Linux Foundation CKA Exam - Topic 3 Question 101 Discussion

Actual exam question for Linux Foundation's CKA exam

Question #: 101
Topic #: 3

SIMULATION

Score: 13%

Task

A Kubernetes worker node, named wk8s-node-0 is in state NotReady. Investigate why this is the case, and perform any appropriate steps to bring the node to a Ready state, ensuring that any changes are made permanent.

ASee the solution below

Show Suggested Answer

Suggested Answer: A

Solution:

sudo -i

systemctl status kubelet

systemctl start kubelet

systemctl enable kubelet

by Anthony at Jun 17, 2026, 10:18 PM

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Eden

2 days ago

I've seen this happen before, usually a quick reboot helps.

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Blythe

8 days ago

Wait, how can a node just go NotReady like that?

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Peggy

13 days ago

Totally agree, check the CPU and memory usage!

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Viola

18 days ago

The node is NotReady due to resource issues.

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Socorro

23 days ago

I vaguely recall needing to check the network configuration or resource limits. I hope I can figure out how to make the changes permanent!

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Lovetta

28 days ago

This seems similar to a practice question where we had to troubleshoot a pod issue. I wonder if the same steps apply here?

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Lashanda

1 month ago

I think we might need to look at the kubelet logs to find out why the node is in that state. I hope I can remember the command for that.

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Lizbeth

1 month ago

I remember we practiced checking the node status with `kubectl get nodes`, but I'm not sure what to do if it's NotReady.

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