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Linux Foundation CKAD (Certified Kubernetes Application Developer) Certification Exam is a popular certification exam for individuals who want to showcase their proficiency in Kubernetes application development. Kubernetes is an open-source system used for automating deployment, scaling, and management of containerized applications. As Kubernetes gains popularity, the demand for professionals with CKAD Certification is rapidly increasing. Linux Foundation Certified Kubernetes Application Developer Exam certification exam is designed to test the candidate's ability to design, build, configure, and expose Kubernetes applications.

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Linux Foundation Certified Kubernetes Application Developer Exam Sample Questions (Q44-Q49):

NEW QUESTION # 44
Context

Task:
A Dockerfile has been prepared at -/human-stork/build/Dockerfile
1) Using the prepared Dockerfile, build a container image with the name macque and lag 3.0. You may install and use the tool of your choice.

2) Using the tool of your choice export the built container image in OC-format and store it at -/human stork/macque 3.0 tar

Answer:

Explanation:
Solution:

NEW QUESTION # 45
You are running a multi-container application on Kubernetes, and you need to update the image of a specific container within the pod without affecting the other containers. You are using a Deployment resource to manage the pods. How can you achieve this update using imperative commands?

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Identify the Pod:
- Use 'kubectl get pods -l to list the pods managed by your deployment. Replace
- Identify the pod that needs the container image update.
2. Identify the Container:
- Use ' kubectl describe pod to display the pod's details, including its containers.
- Note the name of the container you want to update.
3. Update the Container Image:
with the label you've defined for your deployment.
- Use 'kubectl exec -it -container bash' to create an interactive shell within the specified container.
- Inside the shell, update the image for the container using 'docker pull ' (Replace with the new container image you want to use).
- Exit the shell using 'exit
4. Restart the Container:
- Use 'kubectl exec -it -container bash' to access the container again.
- Run 'docker restan to restart the container with the new image.
- Exit the shell using 'exit'.
5. Verify the Image Update:
- Run 'kubectl describe pod to check the updated pod details. Verify that the container image iS now the new one you pulled.
Note: This approach updates the container image in the existing pod. If you want to apply the update to all pods managed by the Deployment, you'll need to update the Deployment configuration itself. ,

NEW QUESTION # 46
Context

Task
A deployment is falling on the cluster due to an incorrect image being specified. Locate the deployment, and fix the problem.

Answer:

Explanation:
create deploy hello-deploy --image=nginx --dry-run=client -o yaml > hello-deploy.yaml Update deployment image to nginx:1.17.4: kubectl set image deploy/hello-deploy nginx=nginx:1.17.4

NEW QUESTION # 47
You have a Deployment named 'my-app-deployment' running an application that requires a specific version of a database. This version is available in a private Docker registry with access credentials stored in a Secret. How would you configure the Deployment to pull the database image from the private registry using the Secret's credentials?

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create a Secret:
- Create a secret containing the usemame and password required to access the private registry.
- Replace 'your-registry-username' and 'your-registry-password' with your actual credentials.

2. Update the Deployment - Modify the Deployment configuration to include the 'imagePullSecrets' field. - Add the name oftne secret you created in the previous step. - Replace 'your-private-registry-domain/your-database-image:your-version' with the actual image name and version.

3. Apply the Changes: - Apply the updated Deployment configuration using 'kubectl apply -f my-app-deployment.yamr. 4. Verify the Pull: - Check the logs of the Pods in the Deployment. You should see messages indicating that the database image is pulled from the private registry using the provided credentials.

NEW QUESTION # 48
Refer to Exhibit.

Context
A project that you are working on has a requirement for persistent data to be available.
Task
To facilitate this, perform the following tasks:
* Create a file on node sk8s-node-0 at /opt/KDSP00101/data/index.html with the content Acct=Finance
* Create a PersistentVolume named task-pv-volume using hostPath and allocate 1Gi to it, specifying that the volume is at /opt/KDSP00101/data on the cluster's node. The configuration should specify the access mode of ReadWriteOnce . It should define the StorageClass name exam for the PersistentVolume , which will be used to bind PersistentVolumeClaim requests to this PersistenetVolume.
* Create a PefsissentVolumeClaim named task-pv-claim that requests a volume of at least 100Mi and specifies an access mode of ReadWriteOnce
* Create a pod that uses the PersistentVolmeClaim as a volume with a label app: my-storage-app mounting the resulting volume to a mountPath /usr/share/nginx/html inside the pod

Answer:

Explanation:
Solution:

NEW QUESTION # 49
......

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