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The CKA certification exam is a hands-on, performance-based exam that tests the candidate's ability to perform various tasks related to Kubernetes. CKA exam consists of a set of practical tasks that the candidate must complete within a set time period. The tasks are designed to test the candidate's knowledge of Kubernetes and their ability to use Kubernetes to deploy, manage, and scale containerized applications.
The CKA exam is designed for IT professionals who have experience in administering Kubernetes clusters. CKA exam is suitable for system administrators, DevOps engineers, and developers who work with Kubernetes. Candidates must have a solid understanding of Linux command-line tools, Docker containers, and Kubernetes concepts such as pods, services, and deployments. CKA Exam also covers advanced topics such as Kubernetes networking, security, and storage.
The CKA certification is an essential credential for professionals who want to demonstrate their proficiency in Kubernetes administration. Certified Kubernetes Administrator (CKA) Program Exam certification is recognized worldwide and is highly valued by organizations that use Kubernetes in their production environments. Certified Kubernetes Administrator (CKA) Program Exam certification provides a competitive edge to professionals and helps them stand out in a crowded job market. The CKA program also provides candidates with access to a community of certified professionals, resources, and tools that can help them advance their careers in Kubernetes administration.
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NEW QUESTION # 75
Your company has a Kubernetes cluster with a production namespace (prod) where only authorized engineers can access sensitive dat a. You need to implement an RBAC policy that allows only engineers with a specific label ("role: engineer") to read data from a specific secret named "secret-sensitive" in the "prod" namespace. Describe how you would configure RBAC to achieve this.
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
Step 1: Define a Role that allows reading the specific secret:
Step 2: Create a RoleBinding to associate the Role with users labeled as "role: engineer":
Step 3: Ensure users have the necessary labels: - Users or service accounts must be assigned the label "role: engineer" to access the secret. - The Role restricts access to the "secret-sensitive" in the "prod" namespace to only "get" requests. - The RoleBinding associates the Role with users who have the label "role: engineer". - This ensures that only authorized engineers can read data from the "secret-sensitive" secret. ,
NEW QUESTION # 76
Given a partially-functioningKubernetes cluster, identifysymptoms of failure on the cluster.
Determine the node, the failingservice, and take actions to bring upthe failed service and restore thehealth of the cluster. Ensure that anychanges are made permanently.
You cansshto the relevant Inodes (bk8s-master-0orbk8s-node-0) using:
[student@node-1] $ ssh<nodename>
You can assume elevatedprivileges on any node in thecluster with the followingcommand:
[student@nodename] $ | sudo -i
Answer:
Explanation:
See the solution below.
Explanation
solution
NEW QUESTION # 77
Score: 13%
Task
A Kubernetes worker node, named wk8s-node-0 is in state NotReady. Investigate why this is the case, and perform any appropriate steps to bring the node to a Ready state, ensuring that any changes are made permanent.
Answer:
Explanation:
See the solution below.
Explanation
Solution:
sudo -i
systemctl status kubelet
systemctl start kubelet
systemctl enable kubelet
NEW QUESTION # 78
You have a deployment named 'my-app' running a web application that uses an external database service. You need to configure a 'ClusterlP' service to route traffic to the external database service.
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1 . Create the ClusterlP service:
- Create a 'ClusterlP' service that points to the external database service using the 'externalName' field.
2. Apply the service: - Apply the YAML file using 'kubectl apply -f external-db-service.yamr 3. Verify the service: - Check the status of the service using 'kubectl get services external-db-service -n ' 4. Test the service: - From a pod in the same namespace as the service, try to connect to the external database service using the 'external-db-service' service name and port. Note: - Replace with the actual namespace. - Replace 'my-external-db.example.com' with the actual hostname of your external database service. - Ensure that your cluster has access to the external database service.
NEW QUESTION # 79
Score: 4%
Task
Create a persistent volume with name app-data , of capacity 1Gi and access mode ReadOnlyMany. The type of volume is hostPath and its location is /srv/app-data .
Answer:
Explanation:
See the solution below.
Explanation
Solution:
#vi pv.yaml
apiVersion: v1
kind: PersistentVolume
metadata:
name: app-config
spec:
capacity:
storage: 1Gi
accessModes:
- ReadOnlyMany
hostPath:
path: /srv/app-config
#
kubectl create -f pv.yaml
NEW QUESTION # 80
......
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