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| Section | Objectives |
|---|---|
| Application Deployment | - Use Kubernetes primitives to implement deployments - Understand rolling updates and rollbacks |
| Application Design and Build | - Define, build and modify container images - Understand Jobs and CronJobs - Understand multi-container Pod design patterns |
| Application Observability and Maintenance | - Understand probes and health checks - Monitor and troubleshoot applications |
| Services and Networking | - Pod networking concepts - Ingress basics - Services (ClusterIP, NodePort) |
| Application Environment, Configuration and Security | - ConfigMaps and Secrets usage - Security contexts and service accounts |
| State Persistence | - PersistentVolumes and PersistentVolumeClaims - Storage classes and volume mounting |
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NEW QUESTION # 227
Refer to Exhibit.
Set Configuration Context:
[student@node-1] $ | kubectl
Config use-context k8s
Context
A web application requires a specific version of redis to be used as a cache.
Task
Create a pod with the following characteristics, and leave it running when complete:
* The pod must run in the web namespace.
The namespace has already been created
* The name of the pod should be cache
* Use the Ifccncf/redis image with the 3.2 tag
* Expose port 6379
Answer:
Explanation:
Solution:
NEW QUESTION # 228
You have a stateful set named 'mysql-statefulset' that runs a MySQL database. The database data is stored in a PersistentV01umeClaim (PVC) named 'mysql-pvc' _ You want to ensure that the PVC is always mounted to the same pod, even after a pod restart or replacement. Additionally, you want to configure the PVC to use a specific storage class tor data persistence.
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create a Storage Class:
- Create a storage class YAML file with the desired storage class name and parameters, such as 'accessModes', 'reclaimPolicy' , and 'provisioner'.
- Apply the YAML file using 'kubectl apply -f mysql-storage.yaml' 2. Create a PersistentVolumeClaim: - Create a PVC YAML file With the storage class defined, and specify the storage size and access modes for the PVC.
- Apply the YAML file using 'kubectl apply -f mysql-pvc.yamr 3. Define the StatefulSet: - Update the 'mysql-statefulset' YAML file: - Set the 'spec-template-spec-containers-volumeMounts' to mount the 'mysql-pvc' volume to the container- - Define a 'spec-volumeClaimTemplates' section to define the volume claim associated with the StatefulSet.
- Apply the YAML file using 'kubectl apply -f mysql-statefulset.yamr 4. Verify the StatefulSet: - Check the status of the StatefulSet using 'kubectl get sts mysql-statefulset' - Use ' kubectl describe pod mysql-o' to verify that the 'mysql-pvc' is mounted to the pod and the storage class is being used 5. Test Pod Replacement: - Delete a pod within the StatefulSet (e.g., 'kubectl delete pod mysql-O'). - Observe that a new pod is automatically created witn the same name Cmysql-ff) and the 'mysql-pvc' is mounted to it. 6. Monitor the Database: - Connect to the MySQL database using the 'kubectl exec' command and verify that the data is preserved even after a pod restan or replacement. These steps ensure that your mysql-statefulset utilizes a specific storage class for data persistence and the PVC is always mounted to the same pod, providing consistent data access. ,
NEW QUESTION # 229 
Task:
Modify the existing Deployment named broker-deployment running in namespace quetzal so that its containers.
1) Run with user ID 30000 and
2) Privilege escalation is forbidden
The broker-deployment is manifest file can be found at:
Answer:
Explanation:
See the solution below.
Explanation
Solution:
Text Description automatically generated
NEW QUESTION # 230
Context
Task:
Modify the existing Deployment named broker-deployment running in namespace quetzal so that its containers.
1) Run with user ID 30000 and
2) Privilege escalation is forbidden
The broker-deployment is manifest file can be found at:
Answer:
Explanation:
Solution:
NEW QUESTION # 231
Refer to Exhibit.
Task:
1) First update the Deployment cka00017-deployment in the ckad00017 namespace:
*To run 2 replicas of the pod
*Add the following label on the pod:
Role userUI
2) Next, Create a NodePort Service named cherry in the ckad00017 nmespace exposing the ckad00017-deployment Deployment on TCP port 8888
Answer:
Explanation:
Solution:
NEW QUESTION # 232
......
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