![Certified Kubernetes
Application Developer
(CKAD) Program
Version: Demo
[ Total Questions: 10]
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Linux Foundation
CKAD](https://image.slidesharecdn.com/linuxfoundation-ckad-240506052856-55c17dd2/85/Verified-CKAD-Exam-Questions-and-Answers-1-320.jpg)
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Question #:5
Set Configuration Context:
[student@node-1] $ | kubectl
Config use-context k8s
Context](https://image.slidesharecdn.com/linuxfoundation-ckad-240506052856-55c17dd2/85/Verified-CKAD-Exam-Questions-and-Answers-11-320.jpg)
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kubectl get pods command and filter the output by the status of the pod.
kubectl get pods --field-selector=status.phase=Failed -o
jsonpath='{.items[*].metadata.namespace}/{.items[*].metadata.name}' > /opt/KDOB00401/broken.txt
This command will list all pods with a status of Failed and output their names and namespaces in the format
<namespace>/<pod>. The output is then written to the /opt/KDOB00401/broken.txt file.
To store the associated error events to a file /opt/KDOB00401/error.txt, you can use the kubectl describe
command to retrieve detailed information about the pod, and the grep command to filter the output for error
events.
kubectl describe pods <pod-name> --namespace <pod-namespace> | grep -i error -B5 -A5 >
/opt/KDOB00401/error.txt
Replace <pod-name> and <pod-namespace> with the name and namespace of the broken pod you found in the
previous step.
This command will output detailed information about the pod, including error events. The grep command
filters the output for lines containing "error" and also prints 5 lines before and after the match.
To fix the issue, you need to analyze the error events and find the root cause of the issue.
It could be that the application inside the pod is not running, the container image is not available, the pod has
not enough resources, or the liveness probe configuration is incorrect.
Once you have identified the cause, you can take appropriate action, such as restarting the application,
updating the container image, increasing the resources, or modifying the liveness probe configuration.
After fixing the issue, you can use the kubectl get pods command to check the status of the pod and ensure
Question #:6
Task:
Update the Pod ckad00018-newpod in the ckad00018 namespace to use a NetworkPolicy allowing the Pod to
send and receive traffic only to and from the pods web and db](https://image.slidesharecdn.com/linuxfoundation-ckad-240506052856-55c17dd2/85/Verified-CKAD-Exam-Questions-and-Answers-13-320.jpg)
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Context
Developers occasionally need to submit pods that run periodically.
Task
Follow the steps below to create a pod that will start at a predetermined time and]which runs to completion
only once each time it is started:
• Create a YAML formatted Kubernetes manifest /opt/KDPD00301/periodic.yaml that runs the following shell
command: date in a single busybox container. The command should run every minute and must complete
within 22 seconds or be terminated oy Kubernetes. The Cronjob namp and container name should both be
hello
• Create the resource in the above manifest and verify that the job executes successfully at least once
See the solution below.
Explanation
Solution:](https://image.slidesharecdn.com/linuxfoundation-ckad-240506052856-55c17dd2/85/Verified-CKAD-Exam-Questions-and-Answers-22-320.jpg)
Verified CKAD Exam Questions and Answers
- 1. Certified Kubernetes Application Developer (CKAD) Program Version: Demo [ Total Questions: 10] Web: www.dumpscollection.com Email: support@dumpscollection.com Linux Foundation CKAD
- 2. IMPORTANT NOTICE Feedback We have developed quality product and state-of-art service to ensure our customers interest. If you have any suggestions, please feel free to contact us at feedback@dumpscollection.com Support If you have any questions about our product, please provide the following items: exam code screenshot of the question login id/email please contact us at and our technical experts will provide support within 24 hours. support@dumpscollection.com Copyright The product of each order has its own encryption code, so you should use it independently. Any unauthorized changes will inflict legal punishment. We reserve the right of final explanation for this statement.
- 3. Linux Foundation - CKAD Dumps Q&A 1 of 21 Success Guaranteed, 100% Valid Question #:1 Task: 1- Update the Propertunel scaling configuration of the Deployment web1 in the ckad00015 namespace setting maxSurge to 2 and maxUnavailable to 59 2- Update the web1 Deployment to use version tag 1.13.7 for the Ifconf/nginx container image. 3- Perform a rollback of the web1 Deployment to its previous version See the solution below. Explanation Solution: Text Description automatically generated
- 4. Linux Foundation - CKAD Dumps Q&A 2 of 21 Success Guaranteed, 100% Valid
- 5. Linux Foundation - CKAD Dumps Q&A 3 of 21 Success Guaranteed, 100% Valid Question #:2 Task: 1) Create a secret named app-secret in the default namespace containing the following single key-value pair:
- 6. Linux Foundation - CKAD Dumps Q&A 4 of 21 Success Guaranteed, 100% Valid Key3: value1 2) Create a Pod named ngnix secret in the default namespace.Specify a single container using the nginx:stable image. Add an environment variable named BEST_VARIABLE consuming the value of the secret key3. See the solution below. Explanation Solution: Text Description automatically generated
- 7. Linux Foundation - CKAD Dumps Q&A 5 of 21 Success Guaranteed, 100% Valid Text Description automatically generated Question #:3
- 8. Linux Foundation - CKAD Dumps Q&A 6 of 21 Success Guaranteed, 100% Valid Task: Modify the existing Deployment named broker-deployment running in namespace quetzal so that its containers. 1) Run with user ID 30000 and 2) Privilege escalation is forbidden The broker-deployment is manifest file can be found at: See the solution below. Explanation Solution: Text Description automatically generated
- 9. Linux Foundation - CKAD Dumps Q&A 7 of 21 Success Guaranteed, 100% Valid Question #:4
- 10. Linux Foundation - CKAD Dumps Q&A 8 of 21 Success Guaranteed, 100% Valid Context Your application’s namespace requires a specific service account to be used. Task Update the app-a deployment in the production namespace to run as the restrictedservice service account. The service account has already been created. See the solution below. Explanation Solution:
- 11. Linux Foundation - CKAD Dumps Q&A 9 of 21 Success Guaranteed, 100% Valid Question #:5 Set Configuration Context: [student@node-1] $ | kubectl Config use-context k8s Context
- 12. Linux Foundation - CKAD Dumps Q&A 10 of 21 Success Guaranteed, 100% Valid A user has reported an aopticauon is unteachable due to a failing livenessProbe . Task Perform the following tasks: • Find the broken pod and store its name and namespace to /opt/KDOB00401/broken.txt in the format: <namespace>/<pod> The output file has already been created • Store the associated error events to a file /opt/KDOB00401/error.txt, The output file has already been created. You will need to use the -o wide output specifier with your command • Fix the issue. See the solution below. Explanation To find the broken pod and store its name and namespace to /opt/KDOB00401/broken.txt, you can use the
- 13. Linux Foundation - CKAD Dumps Q&A 11 of 21 Success Guaranteed, 100% Valid kubectl get pods command and filter the output by the status of the pod. kubectl get pods --field-selector=status.phase=Failed -o jsonpath='{.items[*].metadata.namespace}/{.items[*].metadata.name}' > /opt/KDOB00401/broken.txt This command will list all pods with a status of Failed and output their names and namespaces in the format <namespace>/<pod>. The output is then written to the /opt/KDOB00401/broken.txt file. To store the associated error events to a file /opt/KDOB00401/error.txt, you can use the kubectl describe command to retrieve detailed information about the pod, and the grep command to filter the output for error events. kubectl describe pods <pod-name> --namespace <pod-namespace> | grep -i error -B5 -A5 > /opt/KDOB00401/error.txt Replace <pod-name> and <pod-namespace> with the name and namespace of the broken pod you found in the previous step. This command will output detailed information about the pod, including error events. The grep command filters the output for lines containing "error" and also prints 5 lines before and after the match. To fix the issue, you need to analyze the error events and find the root cause of the issue. It could be that the application inside the pod is not running, the container image is not available, the pod has not enough resources, or the liveness probe configuration is incorrect. Once you have identified the cause, you can take appropriate action, such as restarting the application, updating the container image, increasing the resources, or modifying the liveness probe configuration. After fixing the issue, you can use the kubectl get pods command to check the status of the pod and ensure Question #:6 Task: Update the Pod ckad00018-newpod in the ckad00018 namespace to use a NetworkPolicy allowing the Pod to send and receive traffic only to and from the pods web and db
- 14. Linux Foundation - CKAD Dumps Q&A 12 of 21 Success Guaranteed, 100% Valid See the solution below. Explanation Solution:
- 15. Linux Foundation - CKAD Dumps Q&A 13 of 21 Success Guaranteed, 100% Valid Question #:7 Context As a Kubernetes application developer you will often find yourself needing to update a running application. Task Please complete the following: • Update the app deployment in the kdpd00202 namespace with a maxSurge of 5% and a maxUnavailable of 2% • Perform a rolling update of the web1 deployment, changing the Ifccncf/ngmx image version to 1.13 • Roll back the app deployment to the previous version See the solution below. Explanation Solution:
- 16. Linux Foundation - CKAD Dumps Q&A 14 of 21 Success Guaranteed, 100% Valid
- 17. Linux Foundation - CKAD Dumps Q&A 15 of 21 Success Guaranteed, 100% Valid Question #:8 Task: 1) Fix any API depreciation issues in the manifest file -/credible-mite/www.yaml so that this application can be deployed on cluster K8s. 2) Deploy the application specified in the updated manifest file -/credible-mite/www.yaml in namespace cobra See the solution below. Explanation Solution:
- 18. Linux Foundation - CKAD Dumps Q&A 16 of 21 Success Guaranteed, 100% Valid Text Description automatically generated Text Description automatically generated
- 19. Linux Foundation - CKAD Dumps Q&A 17 of 21 Success Guaranteed, 100% Valid Question #:9 Task
- 20. Linux Foundation - CKAD Dumps Q&A 18 of 21 Success Guaranteed, 100% Valid You are required to create a pod that requests a certain amount of CPU and memory, so it gets scheduled to-a node that has those resources available. • Create a pod named nginx-resources in the pod-resources namespace that requests a minimum of 200m CPU and 1Gi memory for its container • The pod should use the nginx image • The pod-resources namespace has already been created See the solution below. Explanation Solution:
- 21. Linux Foundation - CKAD Dumps Q&A 19 of 21 Success Guaranteed, 100% Valid Question #:10
- 22. Linux Foundation - CKAD Dumps Q&A 20 of 21 Success Guaranteed, 100% Valid Context Developers occasionally need to submit pods that run periodically. Task Follow the steps below to create a pod that will start at a predetermined time and]which runs to completion only once each time it is started: • Create a YAML formatted Kubernetes manifest /opt/KDPD00301/periodic.yaml that runs the following shell command: date in a single busybox container. The command should run every minute and must complete within 22 seconds or be terminated oy Kubernetes. The Cronjob namp and container name should both be hello • Create the resource in the above manifest and verify that the job executes successfully at least once See the solution below. Explanation Solution:
- 23. Linux Foundation - CKAD Dumps Q&A 21 of 21 Success Guaranteed, 100% Valid
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