CKAD Certified Questions & CKAD Exam Assessment

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Linux Foundation CKAD (Linux Foundation Certified Kubernetes Application Developer) Certification Exam is a rigorous and comprehensive exam designed to test the skills and knowledge of developers who work with Kubernetes. Kubernetes is an open-source container orchestration system that has become the de facto standard for managing containerized applications. The CKAD Certification is designed to validate a developer's ability to deploy, configure, and manage applications on Kubernetes.

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CKAD Certified Questions | Authoritative Linux Foundation Certified Kubernetes Application Developer Exam 100% Free Exam Assessment

Prep4sures CKAD practice test has real CKAD exam questions. You can change the difficulty of these questions, which will help you determine what areas appertain to more study before taking your Linux Foundation Certified Kubernetes Application Developer Exam (CKAD) exam dumps. Here we listed some of the most important benefits you can get from using our Linux Foundation Certified Kubernetes Application Developer Exam (CKAD) practice questions.

Linux Foundation Certified Kubernetes Application Developer Exam Sample Questions (Q25-Q30):

NEW QUESTION # 25
Refer to Exhibit.

Context
You have been tasked with scaling an existing deployment for availability, and creating a service to expose the deployment within your infrastructure.
Task
Start with the deployment named kdsn00101-deployment which has already been deployed to the namespace kdsn00101 . Edit it to:
* Add the func=webFrontEnd key/value label to the pod template metadata to identify the pod for the service definition
* Have 4 replicas
Next, create ana deploy in namespace kdsn00l01 a service that accomplishes the following:
* Exposes the service on TCP port 8080
* is mapped to me pods defined by the specification of kdsn00l01-deployment
* Is of type NodePort
* Has a name of cherry

Answer:

Explanation:
Solution:

NEW QUESTION # 26
Refer to Exhibit.

Task:
1) Create a secret named app-secret in the default namespace containing the following single key-value pair:
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.

Answer:

Explanation:
Solution:

NEW QUESTION # 27
You are building a microservice application that consists of three components: a frontend service, a backend service, and a database service_ Each service is deployed as a separate pod in a Kubernetes cluster_ You need to implement health checks for each service to ensure that the application remains healthy and available. The frontend service should be able to reach both the backend service and the database service successfully. How would you implement health checks using Kustomize and ensure that the trontend service can only access the backend service and the database service within the cluster?

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Define Service Resources: Create separate Kubernetes Service resources for each component (frontend, backend, and database) using Kustomize.

2. Implement Health Checks: Add liveness and readiness probes to the containers in each pod's deployment configuration. This will ensure that the pods are continuously monitored for their health.

3. Configure Network Policy: Create a Network Policy to restrict communication between pods. This policy will allow the frontend service to communicate With the backend service and the database service, but prevent it from accessing other pods in the cluster.

4. Apply Configurations: Apply the Kustomize configurations using 'kuactl apply -k .s. This Will create the services, deployments, and network policy in your Kubernetes cluster. 5. Test Health Checks: Verify the health checks are working correctly by checking the pod status and using 'kubectl exec -it' to interact With the pods. You can also use tools like 'kubectl describe deployment' to see tne results of the probes. - If the health checks are not working, troubleshoot the issues by Checking logs, inspecting pod events, and ensuring the probes are configured correctly in the deployments. - You can also use 'kubectl logs to check for any error messages related to network connectivity or the health checks. - If you are experiencing network policy issues, ensure that the policy is correctly applied, and that there are no conflicts with other policies. 6. Monitor Application Health: use Kubernetes monitoring tools to track the health of your microservices and ensure that any issues are detected and resolved promptly. Tools like Prometheus and Grafana can be used to monitor the liveness and readiness probes, as well as other metrics related to your application's health. - Health Checks: The liveness and readiness probes in the deployments allow Kubernetes to continuously monitor the health of the pods- If a probe fails, Kubernetes Will restan the pod or mark it as unhealthy, preventing traffic from being routed to tne pod. - Network Policy: The Network Policy restricts communication between pods. In this example, it ensures that the frontend service can only communicate with the backend service and the database service. - Kustomize: Kustomize helps to simplify tne management of Kubernetes configurations. You can define common configurations and override them for specific deployments or environments using Kustomize. Note: Make sure to adapt the port numbers and labels in the configurations to match your application's setup. You may also need to adjust the initial delay, period, timeout, and failure thresholds for the probes based on the requirements ot your services. ,

NEW QUESTION # 28
You are developing a service that uses a custom configuration file called 'service.properties'. You want to use ConfigMaps to store and manage this file in a secure and efficient manner. The 'service-properties' file contains sensitive information such as database credentials and API keys.
How would you create a ConfigMap that securely stores the 'service-properties' file, ensuring that the file is accessible only to the service's container?

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create a Secret for Sensitive Data:
- Create a Secret

- Encode the 'service-properties' file: bash echo "your-database-username=your-database-username" > service-properties echo "your-database-password=your-database-password" >> service-properties echo 'Your-api-key=your-api-key" >> service.properties base64 -w 0 service.properties - Replace with the output from the base64 command. 2. Create the ConfigMap for the File:

3. Apply the Secret and ConfigMap: bash kubectl apply -f service-secrets-yaml kubectl apply -f service-config.yaml 4. Update the Deployment to use the ConfigMap and Secret

5. Apply the updated Deployment: bash kubectl apply -f my-service-deployment-yaml 6. Access the File in the Container. - Mount the ConfigMap and Secret: - The ConfigMap mounts the 'service.properties' file as a placeholder. - The Secret mounts the actual 'service.properties' file securely. - Access the File: - The container should access the 'service.properties' file from '/var/secrets/service/service.properties' This approach uses a Secret to store sensitive data and a ConfigMap to mount the file securely within the container. The container will have access to the 'service-properties' file, but the actual data is stored in the Secret, ensuring its confidentiality'.

NEW QUESTION # 29
Refer to Exhibit.

Task
Create a new deployment for running.nginx with the following parameters;
* Run the deployment in the kdpd00201 namespace. The namespace has already been created
* Name the deployment frontend and configure with 4 replicas
* Configure the pod with a container image of lfccncf/nginx:1.13.7
* Set an environment variable of NGINX__PORT=8080 and also expose that port for the container above

Answer:

Explanation:
Solution:

NEW QUESTION # 30
......

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CKAD Certified Questions & CKAD Exam Assessment

CKAD Certified Questions | Authoritative Linux Foundation Certified Kubernetes Application Developer Exam 100% Free Exam Assessment

Linux Foundation Certified Kubernetes Application Developer Exam Sample Questions (Q25-Q30):

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