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Linux Foundation CKA (Certified Kubernetes Administrator) Program Exam is a certification program designed for professionals who want to demonstrate their expertise in managing, deploying, and troubleshooting Kubernetes clusters. Kubernetes is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications. As containerization becomes increasingly popular, Kubernetes has emerged as the go-to solution for managing containers at scale.

Linux Foundation Certified Kubernetes Administrator (CKA) Program Exam Sample Questions (Q55-Q60):

NEW QUESTION # 55
Fix a node that shows as non-ready

Answer: B


NEW QUESTION # 56
Undo the deployment to the previous version 1.17.1 and verify Image has the previous version

Answer:

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


NEW QUESTION # 57
Check to see how many worker nodes are ready (not including nodes taintedNoSchedule) and write the number to/opt/KUCC00104/kucc00104.txt.

Answer:

Explanation:
See the solution below.
Explanation
solution


NEW QUESTION # 58
You have a Deployment named 'api-server' with 4 replicas of an API server container. You need to implement a rolling update strategy that allows for a maximum of 2 pods to be unavailable at any given time. You also want to ensure that the update process is triggered automatically whenever a new image is pushed to the Docker Hub repository "my.org/api-server:latest'. Furthermore, you want to ensure that the update process is completed within a specified timeout of 5 minutes. If the update fails to complete within the timeout, the deployment should revert to the previous version.

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Update the Deployment YAML:
- Update the 'replicas' to 4.
- Define 'maxUnavailable: 2' and maxSurge: in the 'strategy.rollingUpdate' section to control the rolling update process.
- Configure a 'strategy.type' to to trigger a rolling update when the deployment is updated.
- Set 'spec.template.spec.containers[0].imagePullPolicy: Always' to ensure that the new image is pulled even if it exists in the pod's local cache.
- Add a 'spec.progressDeadlineSeconds: 300' to set a timeout of 5 minutes for the update process.

2. Create the Deployment: - Apply the updated YAML file using 'kubectl apply -f api-server.yaml' 3. Verify the Deployment: - Check the status of the deployment using "kubectl get deployments api-server' to confirm the rollout and updated replica count. 4. Trigger the Automatic Update: - Push a new image to the 'my.org/api-server:latest' Docker Hub repository. 5. Monitor the Deployment: - Use Vxubectl get pods -l app=api-server' to monitor the pod updates during the rolling update process. 6. Observe Rollback if Timeout Exceeds: - If the update process takes longer than 5 minutes to complete, the deployment will be rolled back to the previous version. This can be observed using 'kubectl describe deployment api-server' and checking the 'updatedReplicas' and 'availableReplicas' fields.


NEW QUESTION # 59
An Administrator is configuring Authentication Enforcement and they would like to create an exemption rule to exempt a specific group from authentication. Which authentication enforcement object should they select?

Answer: D


NEW QUESTION # 60
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