Understand Deployments and How to Perform Rolling Updates CKAD Practice Questions (Page 4)

Questions 16–20

1. 16expert · medium

   A Deployment has 6 replicas and uses the RollingUpdate strategy with maxSurge: 1 and maxUnavailable: 0. The team updates the container image. What is the maximum number of pods that will be running during the update?

   • A5
   • B7
   • C6
   • D8
   Reveal Solution Discussion Select an answer first
2. 17foundation · easy

   What is the default update strategy for a Kubernetes Deployment?

   • ABlueGreen
   • BOnDelete
   • CRollingUpdate
   • DRecreate
   Reveal Solution Discussion Select an answer first
4. 18application · medium

   A team manages a Deployment named 'web' with 5 replicas. They update the container image from v1 to v2 using `kubectl set image deployment/web web=nginx:2.0`. During the rollout, they run `kubectl rollout status deployment/web` and see that the rollout is progressing. What is the expected behavior of the pods during this update?

   • ANew pods are created one at a time, and old pods are removed only after the new pod is ready.
   • BThe Deployment creates new pods while keeping old pods running, scaling up and down within the configured surge and unavailable limits.
   • CAll 5 old pods are terminated simultaneously, then 5 new pods are created.
   • DThe Deployment creates a new ReplicaSet and immediately scales it to 5, then deletes the old ReplicaSet.
   Reveal Solution Discussion Select an answer first
5. 19application · medium

   A Deployment runs a batch job that must not have two versions running simultaneously. The team wants to update the container image with zero overlap between old and new pods. Which strategy should they configure in the Deployment's spec?

   • Astrategy: type: RollingUpdate with maxSurge: 1 and maxUnavailable: 0
   • Bstrategy: type: Recreate
   • Cstrategy: type: RollingUpdate with maxSurge: 0 and maxUnavailable: 1
   • Dstrategy: type: RollingUpdate with maxSurge: 0 and maxUnavailable: 0
   Reveal Solution Discussion Select an answer first
6. 20foundation · easy

   What is the primary role of a Kubernetes Deployment?

   • ATo manage a set of identical pods and provide declarative updates, scaling, and rollbacks.
   • BTo store configuration data that can be mounted into pods as files or environment variables.
   • CTo run a single pod that must never be rescheduled or replaced.
   • DTo expose a set of pods to external traffic via a stable IP and DNS name.
   Reveal Solution Discussion Select an answer first