LINUX FOUNDATION CKAD EXAM DUMPS PROVIDER, DOWNLOAD CKAD FREE DUMPS

Linux Foundation CKAD Exam Dumps Provider, Download CKAD Free Dumps

Linux Foundation CKAD Exam Dumps Provider, Download CKAD Free Dumps

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Now is not the time to be afraid to take any more difficult Linux Foundation Certified Kubernetes Application Developer Exam CKAD certification exams. Our CKAD learning quiz can relieve you of the issue within limited time. Our website provides excellent CKAD learning guidance, practical questions and answers, and questions for your choice which are your real strength. You can take the Linux Foundation CKAD Training Materials and pass it without any difficulty.

The CKAD Exam is designed to test the proficiency of developers in Kubernetes application development and deployment using command-line tools. CKAD exam consists of 19 questions that require candidates to perform tasks in a live Kubernetes cluster environment. CKAD exam is time-bound, and candidates are given two hours to complete it. Linux Foundation Certified Kubernetes Application Developer Exam certification program is vendor-neutral, which means that it is not tied to any specific cloud provider, and it is recognized globally.

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Linux Foundation Certified Kubernetes Application Developer Exam Sample Questions (Q27-Q32):

NEW QUESTION # 27
You're developing a Kubernetes application that requires a custom resource definition (CRD) to manage the configuration of your application. You need to ensure that only authorized users or groups can create or modify instances of this custom resource. How would you configure security contexts for the CRD to achieve this?

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Define the CRD:
- First, you need to define your CRD using a YAML file. This file will outline the schema and properties of your custom resource. For example:

2. Create a Role and Roledinding: - To enforce authorization, you'll create a Role and ROIeBinding. The Role Will define the allowed actions, and the ROIeBinding Will associate this Role with specific users or groups. - Role: - Create a Role that allows only the necessary actions on the CRD. For example, if you only want users to read the CRD, define a Role that grants read access:

- RoleBinding: - Bind the Role to the users or groups you want to authorize. For example, bind the 'myapp-reader-role' to a specific user:

3. Apply the Resources: - Apply the CRD, Role, and Role3inding to your Kubernetes cluster using kubectl: bash kubectl apply -f crd.yaml kubectl apply -f role.yaml kubectl apply -f rolebinding.yaml 4. Test the Security' - Now, try creating a custom resource instance. Only the authorized users or groups will be able to create or modify instances of this CRD. - This configuration defines a custom resource that allows only authorized users to interact With it. - The Role grants specific permissions, and the RoleBinding links the Role to specific users or groups. - By defining appropriate roles and rolebindings, you can enforce granular access control on your custom resource and ensure only authorized users can create or modify CRD instances. ,


NEW QUESTION # 28
Context

Task:
Create a Deployment named expose in the existing ckad00014 namespace running 6 replicas of a Pod. Specify a single container using the ifccncf/nginx: 1.13.7 image Add an environment variable named NGINX_PORT with the value 8001 to the container then expose port 8001

Answer:

Explanation:
Solution:



NEW QUESTION # 29
Context
Anytime a team needs to run a container on Kubernetes they will need to define a pod within which to run the container.
Task
Please complete the following:
* Create a YAML formatted pod manifest
/opt/KDPD00101/podl.yml to create a pod named app1 that runs a container named app1cont using image Ifccncf/arg-output
with these command line arguments: -lines 56 -F
* Create the pod with the kubect1 command using the YAML file created in the previous step
* When the pod is running display summary data about the pod in JSON format using the kubect1 command and redirect the output to a file named /opt/KDPD00101/out1.json
* All of the files you need to work with have been created, empty, for your convenience

  • A. Solution:




  • B. Solution:





Answer: B


NEW QUESTION # 30
You have a microservices application where you need to route traffic to different versions of a service based on the 'version' header in the incoming request. For example, if the header is set to 'VI' , the request should be routed to the 'VI' version Of the service, and if it's 'v? , it should be routed to the 'v? version. Design and implement an Ambassador pattern in Kubernetes to achieve this dynamic routing.

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create Ambassador Service and Deployment:
- Define an Ambassador service and deployment using the Ambassador chart
- The chart can be found at: https:ngithub.com/datawire/ambassador
- IJpdate the chart to include the Ambassador configuration for dynamic routing based on the 'version' header

2. Configure Ambassador for Header-Based Routing: - Update the Ambassador YAML configuration to define a mapping that uses the 'version' header for routing. - This configuration will specify the mapping from the header value to the corresponding service endpoint.

3. Deploy the Ambassador Configuration: - Create a ConfigMap or Secret in Kubernetes to store the Ambassador configuration- - Then, apply this configuration to your Ambassador deployment. 4. Create the Service Versions: - You need to have separate deployments and services for each version of your application. - Each version will have a unique service name to be referenced in the Ambassador configuration.

5. Test the Routing: - Send requests to the Ambassador service with different 'Version' headers. - Observe the traffic being routed correctly to the corresponding version of the service. bash curl -H 'Version: VI" http://ambassador-service-ip:8080/ curl -H 'Version: v2" http://ambassador-service-ip:8080/ This will route requests to the appropriate service version based on the 'Version' header.,


NEW QUESTION # 31
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 # 32
......

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