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| Certification Vendor: | Linux Foundation |
|---|---|
| Exam Name: | Certified Kubernetes Application Developer (CKAD) Exam |
| Exam Number: | CKAD |
| Related Certifications: | Certified Kubernetes Application Developer (CKAD) |
| Available Languages: | English |
| Real Exam Qty: | 15-20 (performance-based tasks) |
| Exam Format: | Performance-based, Command-line |
| Certificate Validity Period: | 3 years |
| Passing Score: | 66% |
| Exam Price: | USD 445 |
| Exam Duration: | 120 minutes |
| Sample Questions: | Linux Foundation CKAD Sample Questions |
| Exam Way: | Online, proctored exam via PSI Secure Browser (performance-based in a command-line environment). |
| Pre Condition: | No mandatory prerequisites, but working knowledge of container runtimes and microservice architecture is recommended. |
| Official Syllabus URL: | https://training.linuxfoundation.org/certification/certified-kubernetes-application-developer-ckad/ |
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The modern Linux Foundation world is changing its dynamics at a fast pace. With the Linux Foundation CKAD certification, you can learn these changes and stay updated all the time. There are other countless Linux Foundation Certified Kubernetes Application Developer Exam (CKAD) certification exam benefits that you can gain after passing the exam. The prominent Linux Foundation Certified Kubernetes Application Developer Exam (CKAD) certification exam benefits are validation of skills, more career opportunity, salary increment, and the opportunity to become a member of the Linux Foundation community.
The CKAD exam is a performance-based exam that requires candidates to complete a set of tasks within a given time frame. CKAD exam is conducted online and candidates are required to use a terminal and a web browser to complete the tasks. CKAD exam is designed to test the candidate's ability to work with Kubernetes in a hands-on environment and to complete tasks that are similar to those encountered in real-world Kubernetes application development scenarios.
Developers use Amazon AWS to run applications in production. Developers can use Docker containers to run their software. You need to go through the full stack of AWS. Not enough to get your app running. Kubernetes uses an open-source version of AWS' networking and storage. Excellent for managing stateless applications. It also offers support for containers. Only really related to the application. You can run all your infrastructure in AWS Lambda or Kubernetes if you want to. Allows you to run software without needing lots of hardware. Anytime you need more capacity, you can simply increase your Amazon AWS account. You can set up different environments on Amazon AWS. Kubernetes is also very good at doing deployment rollbacks. It's easier to use for development, testing, and continuous integration. Compatible with all major programming languages. Amazon AWS is a good option if you already have a team that works with it.
Kubernetes is a good choice if you have a team that doesn't want to use Amazon AWS. Sudo is similar to Kubernetes's RBAC. You can either use it or not, but if you want to use it, you need to setup the roles and permissions in your application. AWS Lambda is similar to running containers in Kubernetes. CNCF CKAD Dumps is a good option if you want to learn more about Kubernetes. Interactive with several APIs. It is a good option if you want to pass the exam with good results. Unlike Kubernetes, it has a lot of declarative configuration that can be complex for simple applications. Genuine support for other languages. The products are very similar but AWS is better for scaling. Cost-effective and easy to deploy on large scale.
Linux Foundation Certified Kubernetes Application Developer (CKAD) Exam is a certification that validates the skills and knowledge of developers working with Kubernetes applications. Kubernetes is an open-source container orchestration system that automates the deployment, scaling, and management of containerized applications. CKAD is a vendor-neutral certification that is recognized by leading technology companies around the world.
NEW QUESTION # 16
Refer to Exhibit.
Task:
Update the Deployment app-1 in the frontend namespace to use the existing ServiceAccount app.
Answer:
Explanation:
Solution:
NEW QUESTION # 17
You are creating a Deployment for a web application that uses a database for its data persistence. You want to scale the deployment horizontally, but you also want to ensure that each pod has access to the same database instance. Explain how you can use a ConfigMap to provide database connection details to each pod.
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create a ConfigMap:
- Create a ConfigMap that contains the necessary database connection details.
- This includes parameters like host, port, username, password, and database name.
- Example:
2. Mount the ConfigMap: - In your Deployment's 'spec-template-spec-containers' , mount the ConfigMap as a volume. - Example:
3. Access ConfigMap Values: - Within your application's code, use environment variables to access the values from the mounted ConfigMap. - For example, the environment variable 'DB HOST' would be set to the value "database-service" from the ConfigMap. 4. Deploy and Test: - Apply the ConfigMap and Deployment YAML files. - Test the application to confirm that each pod can connect to the same database using the connection details provided by the ConfigMap. 5. Scale the Deployment: - Scale the Deployment horizontally to increase the number of replicas. - Each new pod will automatically inherit the mounted ConfigMap and have access to the same database connection details.
NEW QUESTION # 18
You have a Deployment named 'web-app-deployment that runs 5 replicas of a web application container. You need to ensure that only one pod iS updated at a time during a rolling update. Additionally, you want to set the update strategy so that no more than 2 pods are unavailable at any given time.
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
I). Update the Deployment YAMI-:
- Update the 'replicas' to 5.
- Define 'maxunavailable: 1 ' and 'maxSurge: 2 in the 'strategy.rollingUpdate' section to control the rolling update process.
- Configure a 'strategy.types to 'RollinglJpdate' to trigger a rolling update when the deployment is updated.
2. Create the Deployment: - Apply the updated YAML file using 'kubectl apply -f web-app-deployment-yamr 3. Verify the Deployment: - Check the status of the deployment using 'kubectl get deployments web-app-deployment to confirm the rollout and updated replica count. 4. Trigger the Automatic Update: - Push a new image to the 'web-app-image:latest' Docker Hub repository 5. Monitor the Deployment: - Use 'kubectl get pods -I app=web-app' to monitor the pod updates during the rolling update process. You will observe that one pod is terminated at a time, while one new pod with the updated image is created. Additionally, you'll see that the number of unavailable pods never exceeds 2. 6. Check for Successful Update: - Once the deployment is complete, use "oubect1 describe deployment web-app-deployment' to see that the 'updatedReplicas' field matches the 'replicas' field, indicating a successful update.
NEW QUESTION # 19
Refer to 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
Answer:
Explanation:
Solution:
NEW QUESTION # 20
Context
Context
It is always useful to look at the resources your applications are consuming in a cluster.
Task
* From the pods running in namespace cpu-stress , write the name only of the pod that is consuming the most CPU to file /opt/KDOBG030l/pod.txt, which has already been created.
Answer:
Explanation:
Solution:
NEW QUESTION # 21
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