Understand Deployments and How to Perform Rolling Updates CKAD Practice Questions (Page 3)

Questions 11–15

1. 11foundation · easy

   What does the revisionHistoryLimit field in a Deployment spec control?

   • AThe number of times a Deployment can be updated.
   • BThe number of old ReplicaSets retained to allow rollback.
   • CThe number of revisions that can be rolled back in one command.
   • DThe maximum number of replicas that can be created during a rolling update.
   Reveal Solution Discussion Select an answer first
2. 12foundation · easy

   Which kubectl command shows the progress of a Deployment rollout?

   • Akubectl rollout pause deployment/web
   • Bkubectl rollout undo deployment/web
   • Ckubectl rollout status deployment/web
   • Dkubectl rollout history deployment/web
   Reveal Solution Discussion Select an answer first
4. 13expert · medium

   A team pauses a Deployment, makes several changes to the pod template, and then resumes it. What happens when the Deployment is resumed?

   • AA single rollout is triggered that incorporates all the changes made while paused.
   • BThe Deployment is deleted and recreated with the new configuration.
   • CEach change triggers a separate rollout in the order they were made.
   • DThe Deployment reverts to the state it was in before the pause.
   Reveal Solution Discussion Select an answer first
5. 14application · easy

   A company runs a stateless web application. They want to ensure that a specified number of pods are always running, and they want to be able to update the application without downtime. Which Kubernetes resource should they use?

   • AA Job
   • BA DaemonSet
   • CA StatefulSet
   • DA Deployment
   Reveal Solution Discussion Select an answer first
6. 15foundation · easy

   How does a rolling update ensure zero downtime during a Deployment update?

   • AIt creates new pods and waits for them to become ready before terminating old pods incrementally.
   • BIt updates the existing pods in place without creating new pods.
   • CIt creates all new pods at once and then deletes all old pods at once.
   • DIt terminates all old pods simultaneously and then creates new pods.
   Reveal Solution Discussion Select an answer first