linux foundation KCNA Exam Questions

Questions for the KCNA were updated on : Nov 21 ,2025

Page 1 out of 9. Viewing questions 1-15 out of 126

Question 1

What are the two goals of Cloud-Native?

  • A. Rapid innovation and automation
  • B. Slow innovation and stable applications
  • C. Frequent deployments and well-defined organizational silos
  • D. Rapid innovation and reliability
Answer:

D

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Explanation:
https://www.redhat.com/en/topics/cloud-native-apps

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Question 2

What is the name for a service that has no clusterIp address?

  • A. Headless
  • B. NodePort
  • C. ClusterIP
  • D. LoadBalancer
Answer:

A

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Explanation:
https://kubernetes.io/docs/concepts/services-networking/service/#headless-services

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Question 3

Which prometheus metric type represents a single number value that can increase and decrease
over time?

  • A. Gauge
  • B. Histogram
  • C. Summary
  • D. Counter
Answer:

A

User Votes:
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Explanation:
https://prometheus.io/docs/concepts/metric_types/#gauge

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Question 4

What command use to get documentation about kubernetes resource type

  • A. alias k='kubectl' k api-resources
  • B. alias k='kubectl' k api-list
  • C. alias k='kubectl' k explain
  • D. alias k='kubectl' k get resource
Answer:

C

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

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Question 5

What makes cloud native technology so important?

  • A. It makes data centric
  • B. It strengthens team
  • C. It removes roadblocks to innovation
  • D. It helps gather software requirements
  • E. It makes operational centric
Answer:

C

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Explanation:
https://github.com/cncf/foundation/blob/main/charter.md

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Question 6

Which of the following components is part of the Kubernetes control panel

  • A. kubectl
  • B. kube-proxy
  • C. Service Mesh
  • D. kubelet
  • E. Cloud control manager
Answer:

E

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Explanation:
https://kubernetes.io/docs/concepts/overview/components/

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Question 7

Which kubernetes resource type allows defining which pods are isolated when it comes to network-
ing?

  • A. Network policy
  • B. Domain Name System 'DNS'
  • C. Role Binding
  • D. Service
Answer:

A

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Explanation:
https://kubernetes.io/docs/concepts/services-networking/network-policies/#the-two-sorts-of-pod-
isolation

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Question 8

What is container orchestration?

  • A. Packaging code and all of its dependencies into a single executable
  • B. Adding code to a container image so it can run as a container
  • C. Using automation to manage containers
  • D. Spinning a new containers to replace old ones
Answer:

C

User Votes:
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Explanation:
https://www.redhat.com/en/topics/containers/what-is-container-orchestration

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Question 9

What is Open Container Initiative 'OCI'?

  • A. A protocol for communicating with the kubernetes api
  • B. The governing body of the Cloud Native Computing Foundation 'CNCF'
  • C. An open standard for managing service mesh in kubernetes
  • D. An organization that creates open standards for containers
Answer:

D

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Explanation:
https://opencontainers.org/

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Question 10

What is FinOps?

  • A. The first step in any cloud transformation
  • B. Stage beyond DevOps or DevSecOps, where organization transition to serverless tech-nologies
  • C. Using data to make cost savings decisions about cloud usage
  • D. Specialized cloud features used by financial industries (example: banks, insurance, etc)
Answer:

C

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Explanation:
https://www.servicenow.com/products/it-asset-management/what-is-finops.html

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Question 11

You might need to run a stateless application in kubernetes, and you want to be able to scale easily
and perform rolling updates. What kubernetes resource type can you use to do this

  • A. Dameon set
  • B. Replica set
  • C. Deployment
  • D. pod
  • E. service
  • F. Stateful set
Answer:

C

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Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/deployment/

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Question 12

Which authentication method allows JWTs to authenticate?

  • A. OpenId connect
  • B. Client 'TLS' certificates
  • C. OPA gatekeeper
  • D. Anonymous
Answer:

A

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Question 13

What is scheduling in Kubernetes

  • A. Determining when to execute a cron-job
  • B. Assigning pods to nodes
  • C. Joining a new nodes to the clusters
  • D. Setting a time for automated tasks
Answer:

B

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Explanation:
https://kubernetes.io/docs/concepts/scheduling-eviction/

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Question 14

What do control groups provide when it come to containers

  • A. Permission
  • B. Image Storage
  • C. Isolation
  • D. Logging
Answer:

C

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Explanation:

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Question 15

What framework allows developers to write code without worrying about the servers and operating
systems they will run on?

  • A. Virtualization
  • B. Docker
  • C. Serverless
  • D. Kubernetes
Answer:

C

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