You notice a node is stuck in NotReady state due to network issues. Which sequence of commands helps isolate and fix the problem?

hard📝 Application Q8 of 15

Kubernetes - Troubleshooting

You notice a node is stuck in NotReady state due to network issues. Which sequence of commands helps isolate and fix the problem?

ARun <code>kubectl drain</code> followed by <code>kubectl delete pod --all</code>

Check node events with <code>kubectl describe node</code>, then SSH into node to verify network interfaces and restart kubelet

CDelete the node and recreate it immediately

DUpgrade the cluster control plane

Step-by-Step Solution

Solution:

Step 1: Diagnose node with describe command
Use kubectl describe node to check events and confirm network issues causing NotReady.
Step 2: Access node and fix network
SSH into node to check network interfaces and restart kubelet service to restore connectivity.
Final Answer:
Check node events with kubectl describe node, then SSH into node to verify network interfaces and restart kubelet -> Option B
Quick Check:
Describe + SSH + restart kubelet fixes network NotReady [OK]

Quick Trick: Describe node then SSH to fix network and restart kubelet [OK]

Common Mistakes:

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