Understand Deployments and How to Perform Rolling Updates CKAD Practice Questions (Page 6)

Questions 26–29

1. 26foundation · easy

   What happens when you change the container image in a Deployment's pod template?

   • AA new ReplicaSet is created and a rolling update is triggered.
   • BThe existing pods are updated in place with the new image.
   • CThe Deployment is paused until you manually resume it.
   • DThe Deployment is deleted and recreated.
   Reveal Solution Discussion Select an answer first
2. 27foundation · easy

   Which Kubernetes resource is most appropriate for managing a stateless application that requires rolling updates and rollback capabilities?

   • ADeployment
   • BDaemonSet
   • CJob
   • DStatefulSet
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4. 28application · medium

   A Deployment named 'frontend' uses the image 'nginx:1.19'. The team wants to update it to 'nginx:1.21' using a declarative approach. Which command or action should they use?

   • Akubectl set image deployment/frontend frontend=nginx:1.21
   • Bkubectl rollout restart deployment/frontend
   • Ckubectl apply -f updated-deployment.yaml where the image is changed to nginx:1.21
   • Dkubectl edit deployment frontend and change the image field
   Reveal Solution Discussion Select an answer first
5. 29application · medium

   A team needs to make multiple changes to a Deployment (update the image, add an environment variable, and change resource limits) but wants to avoid triggering a rollout for each change. They want to apply all changes at once. What should they do?

   • AUse `kubectl rollout restart deployment/myapp` after each change.
   • BEdit the Deployment YAML and use `kubectl replace --force`.
   • CScale the Deployment to zero, apply changes, then scale back up.
   • DUse `kubectl rollout pause deployment/myapp`, apply all changes, then `kubectl rollout resume deployment/myapp`.
   Reveal Solution Discussion Select an answer first