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Linux Foundation KCNA Exam Actual Questions

The questions for KCNA were last updated on June 16, 2024.
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  • Viewing questions 1-4 out of 98 questions

Topic 1 - Exam A

Question #1 Topic 1

What native runtime is Open Container Initiative (OCI) compliant?

  • A. runC
  • B. runV
  • C. kata-containers
  • D. gvisor
Reveal Solution Hide Solution   Discussion   3

Correct Answer: A 🗳️

Question #2 Topic 1

Which API object is the recommended way to run a scalable, stateless application on your cluster?

  • A. ReplicaSet
  • B. Deployment
  • C. DaemonSet
  • D. Pod
Reveal Solution Hide Solution   Discussion   3

Correct Answer: B 🗳️

Question #3 Topic 1

A CronJob is scheduled to run by a user every one hour. What happens in the cluster when it's time for this CronJob to run?

  • A. Kubelet watches API Server for CronJob objects. When it's time for a Job to run, it runs the Pod directly.
  • B. Kube-scheduler watches API Server for CronJob objects, and this is why it's called kube-scheduler.
  • C. CronJob controller component creates a Pod and waits until it finishes to run.
  • D. CronJob controller component creates a Job. Then the Job controller creates a Pod and waits until it finishes to run.
Reveal Solution Hide Solution   Discussion   1

Correct Answer: D 🗳️

Question #4 Topic 1

What is the purpose of the kubelet component within a Kubernetes cluster?

  • A. A dashboard for Kubernetes Clusters that allows management and troubleshooting of applications.
  • B. A network proxy that runs on each node in your cluster, implementing part of the Kubernetes Service concept.
  • C. A component that watches for newly created Pods with no assigned node, and selects a node for them to run on.
  • D. An agent that runs on each node in the cluster. It makes sure that containers are running in a Pod.
Reveal Solution Hide Solution   Discussion   2

Correct Answer: D 🗳️

Community vote distribution
A (35%)
C (25%)
B (20%)
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