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The CKAD Exam is a hands-on, performance-based test that measures a candidate's ability to perform real-world tasks with Kubernetes. CKAD exam consists of a set of practical challenges that require the candidate to use their knowledge of Kubernetes to complete a series of tasks. CKAD exam is conducted online and can be taken from anywhere in the world. Candidates are provided with a set of tools and resources to complete the exam, including a terminal and a set of Kubernetes objects.
To prepare for the exam, candidates can take advantage of a range of resources provided by the Linux Foundation, including online courses, practice exams, and study guides. They can also join online communities and participate in forums to connect with other developers who are preparing for the exam and share tips and strategies.
It is seen as a challenging task to pass the CKAD exam. Tests like these demand profound knowledge. The Linux Foundation CKAD certification is absolute proof of your talent and ticket to high-paying jobs in a renowned firm. Linux Foundation CKAD test every year to shortlist applicants who are eligible for the CKAD exam certificate.
NEW QUESTION # 129
You are running a microservice-based application on Kubernetes- You want to deploy a new version of one of your microservices, but you need to ensure a smootn rollout without causing downtime. Explain tne steps involved in implementing a blue-green deployment strategy for this microservice.
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create a Blue Deployment:
- Create a new Deployment With the updated image of the microservice.
- Configure this Deployment with a new label (e.g., 'app=my-service-blue'
- Use a 'service with a 'selectors that matches the 'app=my-servjce-blue' label to route tramc to tne blue deployment.
2 Create a Green Deployment:
- Create a second Deployment with the previous version of the microservice.
- Configure this Deployment with the old label (e.g., 'app=my-service-green')_
3. Configure a Service:
- Create a 'service' that initially targets only the green Deployment Capp=my-service-greeru)_
4. Initial Rollout (Optional):
- You can choose to perform an initial rollout of the blue Deployment with a low weight to test the new version. This allows you to gradually increase traffic to the blue Deployment.
5. Switch Traffic to Blue:
- Once you are confident with the new version, update the 'service' to target the blue Deployment Capp=my-service-blue') and remove the green Deployment.
6. Cleanup:
- You can delete the green Deployment as it's no longer needed.
7. Continuous Integration/Continuous Delivery (CIICD):
- Integrate your deployment process with CI/CD tools to automate blue-green deployments for future releases.,
NEW QUESTION # 130
You have a Deployment named 'wordpress-deployment' that runs 3 replicas of a WordPress container. The container image is pulled from a private registry with authentication credentials stored in a secret called 'registry-credentials' _ Implement a strategy to ensure that only one replica of the Deployment is updated at a time, and the update process is triggered automatically whenever a new image is pushed to the private registry with the tag 'wordpress:latest'
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create a Secret for Registry Credentials:
- Replace with the base64 encoded content of your dockerconfigjson file containing the registry credentials. 2 Update the Deployment YAML:
- Replace 'your-registry-com' with your private registry address. - Ensure the 'imagePullSecrets' section references tne 'registry-credentials' secret. - Configure the 'strategy-type' to 'Rollingupdate', and 'strategy-rollingl-lpdate.maxunavailable' to ' 1 ' to allow only one replica to be unavailable during the update. - Set 'imagePullPolicy' to 'Always' to ensure the new image is pulled every time. 3. Apply the Updated YAML: bash kubectl apply -f wordpress-deploymentyaml 4. Verify the Deployment bash kubectl get deployments wordpress-deployment 5. Trigger the Automatic Update: - Push a new image with the tag 'wordpress:latest' to your private registry. 6. Monitor the Deployment - Use 'kubectl get pods -l app=wordpress' to monitor the pod updates during the rolling update process. 7. Check for Successful Update: - After the update is complete, run 'kubectl describe deployment wordpress-deployment' to verify that the 'updatedReplicaS matcnes the 'replicas' field. Now, whenever a new image tagged 'wordpress:latest' is pushed to your private registry, Kubernetes will automatically trigger a rolling update for the 'wordpress-deployment , updating one replica at a time while ensuring availability.,
NEW QUESTION # 131
Context
You are tasked to create a secret and consume the secret in a pod using environment variables as follow:
Task
* Create a secret named another-secret with a key/value pair; key1/value4
* Start an nginx pod named nginx-secret using container image nginx, and add an environment variable exposing the value of the secret key key 1, using COOL_VARIABLE as the name for the environment variable inside the pod
Answer:
Explanation:
Solution:
NEW QUESTION # 132
Exhibit:
Context
You are tasked to create a secret and consume the secret in a pod using environment variables as follow:
Task
* Create a secret named another-secret with a key/value pair; key1/value4
* Start an nginx pod named nginx-secret using container image nginx, and add an environment variable exposing the value of the secret key key 1, using COOL_VARIABLE as the name for the environment variable inside the pod
Answer: A
NEW QUESTION # 133
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 # 134
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