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Linux Foundation KCNA (Kubernetes and Cloud Native Associate) Certification Exam is a globally recognized certification program that validates one's knowledge and skills in Kubernetes and cloud-native technologies. Kubernetes is an open-source container orchestration system that automates the deployment, scaling, and management of containerized applications. Cloud-native technologies, on the other hand, refer to a set of tools and practices that enable the development and deployment of applications in a cloud-native environment.

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Linux Foundation Kubernetes and Cloud Native Associate Sample Questions (Q16-Q21):

NEW QUESTION # 16
You have a CI/CD pipeline that builds and deploys a new version of your application to Kubernetes. After deployment, you notice performance issues and need to roll back to the previous version. Which of the following strategies can be used to achieve a smooth rollback?

A. Manually delete the new pods and restart the old pods.
B. Redeploy the previous version of the application manually.
C. Use a canary deployment strategy to gradually roll back the traffic.
D. Use Kubernetes Deployments with rollback capabilities to revert to a previous deployment revision.
E. Edit the Deployment configuration to change the container image to the previous version.

Answer: D

Explanation:
Kubernetes Deployments track historical revisions. By leveraging rollback capabilities within Deployments, you can easily revert to a previous successful deployment revision, ensuring a smooth transition without manual intervention.

NEW QUESTION # 17
Consider the followin Pod Securit Polic definition:

Which of the following statements is TRUE about this Pod Security Policy?

A. The policy allows pods to run as specific user IDs, mount configMaps and secrets, and access specific capabilities.
B. The policy allows pods to mount hostPath volumes.
C. The policy allows pods to access host processes.
D. The policy allows pods to access the host network.
E. The policy allows pods to run as any user ID.

Answer: A

Explanation:
This Pod Security Policy restricts pods to run as specific user IDs (1000 and 1001 ), allows them to mount configMaps and secrets, and grants access to specific capabilities ('SYS_ADMIN' and 'CHOWN'). It does not allow access to the host network, host processes, or host PID namespace. This policy is designed to enforce security restrictions and prevent potential vulnerabilities within the Kubernetes cluster.

NEW QUESTION # 18
Which tool is built on the GitOps toolkit?

A. ArgoCD
B. GitHub Workflow & Actions
C. Flux
D. Jenkins-X
E. Jenkins
F. Travis CI

Answer: C

Explanation:
https://fluxcd.io/#gitops-toolkit

Note: Argo CD is a GitOps tool and not using GitOps toolkit

NEW QUESTION # 19
You have a Kubernetes cluster with multiple nodes. You want to ensure that your application Pods are evenly distributed across these nodes. Which Kubernetes feature should you use for this purpose?

A. Deployment
B. Service
C. HorizontalPodAutoscaler
D. PodDisruptionBudget
E. NodeSelector

Answer: E

Explanation:
NodeSelector allows you to specify labels that your Pods must match in order to be scheduled on a specific node. By using NodeSelector, you can distribute your Pods across different nodes based on their resources, location, or any other criteria you define.

NEW QUESTION # 20
'kubectl delete -n my-ns po,svc --all' will delete pods and services including uninitialized ones in the namespace 'my-ns'

A. FALSE
B. TRUE

Answer: B

Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#delete

NEW QUESTION # 21
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KCNA Valid Exam Preparation - Exam KCNA Simulator Free

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Linux Foundation Kubernetes and Cloud Native Associate Sample Questions (Q16-Q21):

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