CKA Valid Exam Sample | Cert CKA Guide

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The Certified Kubernetes Administrator (CKA) Program Certification Exam is one of the most sought-after certifications in the IT industry. It is a highly respected certification that validates the skills and knowledge of professionals who want to work with Kubernetes. Certified Kubernetes Administrator (CKA) Program Exam certification is offered by the Linux Foundation, a non-profit organization that supports the development of open-source software.

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.

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Linux Foundation CKA Exam Syllabus Topics:

TopicDetails
Topic 1
  • Services & Networking: This topic tests you understandings of host networking configuration, connectivity between Pods, ClusterIP, NodePort, LoadBalancer service types and endpoints. It also explains how to use Ingress controllers and Ingress resources, configure and use CoreDNS. Lastly, it discusses choosing a suitable container network interface plugin.
Topic 2
  • Cluster Architecture, Installation & Configuration: In this questions about role-based access control (RBAC), highly-available Kubernetes cluster, deployment of a Kubernetes cluster, etcd backup, and restore are included.
Topic 3
  • Troubleshooting: This topic discusses cluster and node logging, monitoring applications, managing container stdout, and stderr logs. It also deals with troubleshooting application failure, cluster component failure, and networking.
Topic 4
  • Storage: It explains storage classes, persistent volumes, volume mode, access modes, persistent volume claims primitive, and reclaim policies for volumes. Furthermore, this topic deals with configuring applications with persistent storage.
Topic 5
  • Workloads & Scheduling: Its sub-topics are manifest management and common templating tools, primitives, scaling apps, ConfigMaps, and performing rolling update and rollbacks.

Linux Foundation Certified Kubernetes Administrator (CKA) Program Exam Sample Questions (Q25-Q30):

NEW QUESTION # 25
What file type upload is supported as part of the basic WildFire service?

Answer: A


NEW QUESTION # 26
Create a pod as follows:
Name: non-persistent-redis
container Image: redis
Volume with name: cache-control
Mount path: /data/redis
The pod should launch in the staging namespace and the volume must not be persistent.

Answer:

Explanation:
solution



NEW QUESTION # 27
You have a Deployment named 'frontend-deployment' with 5 replicas of a frontend container. You need to implement a rolling update strategy that allows for a maximum of 2 pods to be unavailable at any given time. You also want to ensure that the update process is completed within a specified timeout of 8 minutes. If the update fails to complete within the timeout, the deployment should revert to the previous version. Additionally, you want to configure a 'post-start' hook for the frontend container that executes a health check script to verify the application's readiness before it starts accepting traffic.

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Update the Deployment YAML:
- Update the 'replicas' to 5.
- Define 'maxUnavailable: 2' and 'maxSurge: 0' in the 'strategy.rollingUpdate' section to control the rolling update process.
- Configure a 'strategy.type' to 'RollingUpdate' to trigger a rolling update when the deployment is updated.
- Set Always' to ensure that the new image is pulled even if
it exists in the pod's local cache.
- Add a 'spec.progressDeadlineSeconds: 480' to set a timeout of 8 minutes for the update process.
- Add a 'spec.template.spec.containers[0].lifecycle.postStart' hook to define a script that executes a health check script before the container starts accepting traffic.

2. Create the Deployment: - Apply the updated YAML file using 'kubectl apply -f frontend-deployment.yaml' 3. Verify the Deployment: - Check the status of the deployment using 'kubectl get deployments frontend-deployment' to confirm the rollout and updated replica count. 4. Trigger the Automatic Update: - Push a new image to the 'my.org/frontend:latest' Docker Hub repository. 5. Monitor the Deployment: - Use 'kubectl get pods -l app=frontend' to monitor the pod updates during the rolling update process. 6. Observe Rollback if Timeout Exceeds: - If the update process takes longer than 8 minutes to complete, the deployment will be rolled back to the previous version. This can be observed using 'kubectl describe deployment frontend-deployment' and checking the 'updatedReplicas' and 'availableReplicas' fields.,


NEW QUESTION # 28
From the pod label name=cpu-utilizer, find pods running high CPU workloads and write the name of the pod consuming most CPU to the file /opt/KUTR00102/KUTR00102.txt (which already exists).

Answer:

Explanation:
See the solution below.
Explanation
solution


NEW QUESTION # 29
Perform the following tasks:
Add an init container to hungry-bear defined in spec file
/opt/KUCC00108/pod-spec-KUC
The init container should create /workdir/calm.txt
If /workdir/calm.txt is not
Once the spec file has been definition, the pod should be created

Answer:

Explanation:
See the solution below.
Explanation
solution
F:WorkData Entry WorkData Entry‚00827CKA B.JPG

F:WorkData Entry WorkData Entry‚00827CKA C.JPG

F:WorkData Entry WorkData Entry‚00827CKA D.JPG


NEW QUESTION # 30
......

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