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| Section | Weight | Objectives |
|---|---|---|
| Services and Networking | 20% | - Use Ingress rules - Understand and apply NetworkPolicies - Troubleshoot network access - Expose applications via Services |
| Application Observability and Maintenance | 15% | - Debug applications in Kubernetes - Implement probes and health checks - Work with container logs - Monitor applications using CLI tools - Understand API deprecations |
| Application Design and Build | 20% | - Choose and use appropriate workload resources - Understand multi-container Pod design patterns - Utilize persistent and ephemeral volumes - Define, build and modify container images |
| Application Deployment | 20% | - Use Helm package manager - Work with Kustomize - Implement deployment strategies - Manage Deployments, rolling updates and rollbacks |
| Application Environment, Configuration and Security | 25% | - Create and consume Secrets - Use custom resources and extensions - Work with ConfigMaps - Understand authentication, authorization and admission control - Configure resource requirements, limits and quotas - Use ServiceAccounts - Apply application security settings |
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NEW QUESTION # 137
You have a Deployment named 'mysql-deployment running a MySQL database container. The 'mysql-deployment' has 2 replicas and you want to implement a blue-green deployment strategy for updating the database. The following steps need to be implemented:
- Create a new Deployment called 'mysql-deployment-new' with the updated MySQL image.
- Ensure that both deployments (old and new) are running concurrently.
- Route traffic to the 'mysql-deployment-new' deployment.
- Remove the old deployment ('mysql-deployment) once the traffic is switched over.
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create a new Deployment with updated image:
- Create a new Deployment named 'mysql-deployment-new' with the updated MySQL image. You can either create a new YAML tile or use 'kubectl create deployment' command.
- Ensure that the new deployment has the same number ot replicas as the old deployment.
2. Apply the new Deployment: - Apply the new Deployment YAML using 'kubectl apply -f mysql-deployment-new.yamr 3. Check Deployment status: - IJse ' kubectl get deployments' to verity that both deployments are running. You should see both 'mysql-deployment' and 'mysql-deployment-new' . 4. Update Service to use the new deployment: - Update the Service that is associated with the MySQL database to point to the new Deployment
- Apply the updated Service YAML using 'kubectl apply -f mysql-service-yamr 5. Verify traffic routing: - Test the application or services that rely on the MySQL database to ensure that the traffic is now being routed to the 'mysql-deployment-new' 6. Delete old Deployment: - Once you have verified that the traffic is successfully routed to the new Deployment, you can delete the old Deployment 'mysql-deployment' using 'kubectl delete deployment mysql-deployment'.]
NEW QUESTION # 138
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 # 139 
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 See the solution below.
Answer:
Explanation:
Explanation
Solution:
NEW QUESTION # 140
You have a Deployment named 'my-app-deployment running a Flask application. You want to add a liveness probe that checks if the Flask application is responding on port '5000' and a readiness probe that checks if the application is ready to receive requests. Implement these probes using Kustomize.
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create a base Deployment configuration:
2. Create a 'kustomization.yamr file:
3. Create 'patcnes/liveness-probe.yaml':
4. Create 'patches/readiness-probe-yaml':
5. Apply the Kustomize configuration: bash kustomize . I kubectl apply -t- - Liveness probe: This probe checks if the application is still alive and running. It uses a TCP socket to connect to port ' 5000' and waits for 15 seconds before making the first cneck. It checks every 20 seconds, and if it fails 3 times in a row, the pod is restarted. - Readiness probe: This probe checks if the application is ready to receive requests. It also uses a TCP socket to connect to port '5000'. It checks every 10 seconds and waits for 5 seconds before the first check. If it fails 2 times in a row, the pod is marked as unhealthy and excluded trom receiving traffic. Note: Make sure your Flask application is actually listening on port '5000' and responding to requests. ,
NEW QUESTION # 141
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 # 142
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2026 Latest PassCollection CKAD PDF Dumps and CKAD Exam Engine Free Share: https://drive.google.com/open?id=1Lawwzn_7KWivPQJuNSXLleomr0vuvKWO