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Certified Kubernetes Administrator Questions 51–55 (page: 12)

Updated On: 10-Feb-2026

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QUESTION: 51

Update the deployment with the image version 1.17.4 and verify

Solution:

kubectl set image deploy/webapp nginx=nginx:1.17.4
//Verify
kubectl describe deploy webapp | grep Image
kubectl get deploy -o=jsonpath='{range.items [*]}{.[*]} {.metadata.name}{"\t"}{.spec.template.spec.containers[*].i mage}{"\n"}'

Answer(s): A

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QUESTION: 52

Check the rollout history and make sure everything is ok after the update

Solution:

kubectl rollout history deploy webapp
kubectl get deploy webapp --show-labels
kubectl get rs -l app=webapp
kubectl get po -l app=webapp

Answer(s): A

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QUESTION: 53

Undo the deployment to the previous version 1.17.1 and verify Image has the previous version

Solution:

kubectl rollout undo deploy webapp
kubectl describe deploy webapp | grep Image

Answer(s): A

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QUESTION: 54

Update the deployment with the image version 1.16.1 and verify the image and check the rollout history

Solution:

kubectl set image deploy/webapp nginx=nginx:1.16.1
kubectl describe deploy webapp | grep Image
kubectl rollout history deploy webapp

Answer(s): A

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QUESTION: 55

Check the history of deployment

Solution:

kubectl rollout history deployment webapp

Answer(s): A

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