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CKAD Certification Cost, Valid CKAD Exam Simulator

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CKAD certification is becoming increasingly popular among DevOps professionals and developers looking to advance their careers in the containerization and Kubernetes space. Linux Foundation Certified Kubernetes Application Developer Exam certification program is designed to ensure that candidates have the skills and knowledge needed to develop and deploy applications on Kubernetes. The Linux Foundation offers training courses to help candidates prepare for the exam, and candidates can take the exam online from anywhere in the world. CKAD certification provides a competitive edge in the job market and demonstrates a commitment to continuous learning and professional development.

The CKAD Exam is conducted by the Linux Foundation, a non-profit organization that supports the development of open-source technologies. The Linux Foundation has a reputation for offering some of the most respected certifications in the IT industry, and CKAD is no exception. CKAD exam is designed to test the practical skills of developers and requires them to solve real-world problems using Kubernetes. The CKAD certification is widely recognized and respected in the industry, and it is an excellent way for developers to demonstrate their expertise in Kubernetes.

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Linux Foundation Certified Kubernetes Application Developer Exam Sample Questions (Q189-Q194):

NEW QUESTION # 189
You are tasked With deploying a new web application on Kubernetes. The application is designed to be highly available and requires persistent storage for user dat a. The application needs to be able to handle incoming requests even during rolling updates. How would you design the deployment using StatetulSets, ensuring that the application remains available and data is preserved even when updating the deployment?

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
I). Create a PersistentVoIumeCIaim:
- Define a PersistentVoIumeCIaim (PVC) to request the necessary storage space for the application's data. This ensures persistent storage is provisioned for each pod.

2. Define a StatefulSet: - Create a StatefulSet that defines the deployment configuration. Ensure that the following configurations are included: - 'serviceName': Define a service name for the StatefulSet. - 'replicas': Define tne number of replicas (pods) required for the application. - 'volumeClaimTemplates': Include the previously defined PVC to ensure each pod is assigned persistent storage. - 'template-spec-containers. volumeMounts': Mount the volume from the PVC at the desired location within the container. - 'podManagementP01icy: Parallels: Configure the podManagementP01icy to allow parallel pod updates during rolling updates, maintaining application availability.

3. Create the Service. - Create a service that exposes the application to the outside world Use the 'ClusterlP' service type for internal access within the Kubernetes cluster.

4. Apply the Configuration: - Apply the StatefulSet, PVC, and service configurations using 'kubectl apply -f' to deploy the application on Kubernetes. 5. Verify the Deployment: - Use 'kubectl get statefulsets webapp-statefulset and 'kubectl get pods -I app=webapp' to verify that the StatefuISet has been deployed successfully and the pods are running with the correct configurations. 6. Test Rolling Updates: - Push a new image to the 'example/webapp:latest Docker Hub repository. The StatetulSet will automatically initiate a rolling update. Monitor the pods using 'kubectl get pods -l app=webapp' to observe the update process. You should see that pods are updated one at a time, ensuring that the application remains available throughout the update. Important Notes: - StatetulSets are ideal for applications that require persistent storage, unique identifiers, and ordered deployments, making them suitable for highly available web applications. - The 'podManagementPolicy: Parallel' setting ensures that the application remains available even when pods are updated. - Always define a 'partition' in the 'rollinglJPdate' strategy to ensure that all pods are part of the update. - Consider using liveness probes and readiness probes Within your application containers for health checks to ensure the application is healthy during the rolling update process. - For external access, you can use a LoadBalancer service type in the service definition.,

NEW QUESTION # 190
Refer to Exhibit.

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

Answer:

Explanation:
Solution:

NEW QUESTION # 191
Exhibit:

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

A. Solution:
B. Solution:

Answer: A

NEW QUESTION # 192
You are developing a multi-container application that includes a web server, a database, and a message broker. You want to ensure that the database and message broker start before the web server to avoid dependency issues. How can you design your deployment to achieve this?

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Define Pod with Containers:
- Create a 'Pod' definition with three containers: 'web-server', 'database' , and 'message-broker
- Include the appropriate image names for each container.

2. Implement Init Containers: - Define ' initcontainers' within the 'Pod' spec to run containers before the main application containers. - Use 'initContainers' to set up the database and message broker:

3. Apply the Pod Definition: - Apply the 'Pod' definition using 'kubectl apply -f multi-container-app.yamr 4. Verify Container Startup Order: - Check the pod logs using 'kubectl logs -f multi-container-app'. You will observe the init containers ('database-init and 'message-broker-init') starting first, followed by the main containers ('web-server', 'database' , and 'message-broker'). Note: In this example, the 'database-init and 'message-broker-init containers simply print a message. You can replace these with actual initialization scripts or commands relevant to your specific database and message broker services.

NEW QUESTION # 193
Refer to Exhibit.

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

Answer:

Explanation:
Solution:

NEW QUESTION # 194
......

The Linux Foundation CKAD Certification Exam is one of the valuable credentials that are designed to prove an Linux Foundation aspirant's technical expertise. With the Linux Foundation Certified Kubernetes Application Developer Exam (CKAD) certificate they can be competitive and updated in the highly competitive market. The Linux Foundation Certification Questions offers a great opportunity for beginners and experienced professionals to not only validate their skills but also advance their careers.

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