KCNA Sample Questions for Kubernetes and Cloud Native Associate Exam

Prepare confidently for the Kubernetes and Cloud Native Associate ( KCNA ) exam with this exclusive set of KCNA sample questions. Aligned with the latest CNCF certification objectives, these practice tests cover Kubernetes basics, cloud-native architecture, observability, and application delivery. Ideal for aspiring DevOps engineers, these KCNA practice exam questions help reinforce key concepts and exam readiness. Use them as part of your prep strategy alongside KCNA exam dumps and practice tests to simulate real testing scenarios. Whether you’re self-studying or attending formal KCNA training, these questions provide clarity and confidence for success.

KCNA Sample Questions List :

1. Which of the following best describes the way K8S Role-based access control (RBAC) works?

1. States which users can perform which actions against the resources.

2. RBAC lists which operations are denied to users

3. K8S does not do RBAC or Cluster role

2. What Kubernetes resource would allow you to run one Pod on some of your Nodes?

1. DaemonSet

2. ClusterSet

3. ReplicaSet

4. Deployment

3. Which of the following is an advantage a cloud-native microservices application has over monolithic applications?

1. Cloud-native microservice applications tend to be easier to troubleshoot.

2. Cloud-native microservice applications tend to be easier to scale and perform updates on.

3. Cloud-native microservices applications tend to be faster and more responsive than monolithic applications.

4. Which access control component of Kubernetes is responsible for authorization and decides what requestor is allowed to do?

1. Role-based access control 'RBAC'

2. Service Account

3. Deployment

5. A ________ is an application running on kubernetes.

1. workload

2. pod

3. container

4. node

6. What command to view the kube config?

1. kubectl get kubeconfig

2. kubectl config view

3. kubectl view config

7. What methods can you use to scale a deployment?

1. With kubectl scale-up deployment exclusively.

2. With kubectl scale deployment and kubectl edit deployment.

3. With kubectl scale deployment exclusively.

4. With kubectl edit deployment exclusively.

8. How to create deployment name app-dep, image=nginx, and replicas 5 using imperative command?

1. kubectl create deployment app-dep --image=nginx --replicas=5

2. kubectl create app-dep deployment --image=nginx --replicas=5

3. kubectl create app-dep deployment --replicas=5 --image=nginx

9. In Kubernetes, what is considered the primary cluster data source?

1. scheduler

2. etcd

3. api server

4. kubelet

10. What is container runtime?

1. Another term of kubelet or kubectl

2. A container image format

3. Software that runs containers

4. The amount of time it takes a container to execute

11. Which of the following best describes how cgroups are utilized in the Linux kernel to enforce memory limits for a container, and what would happen if a container exceeds its assigned memory limit?

1. Memory exceeding the cgroup limit spills over to the host system’s memory, with no consequences to the container.

2. The Out-Of-Memory (OOM) killer is invoked by the kernel when the container exceeds its memory limit, terminating one or more processes in the container.

3. The kernel pauses the container until memory is manually freed or the limit is increased.

4. The kernel uses cgroups to restrict both RAM and swap usage by killing the container process if it exceeds either.

5. The container continues running, but the kernel throttles CPU usage when memory exceeds the cgroup limit.

6. The container is automatically restarted by kubelet when it reaches 90% of its memory limit, regardless of actual kernel behavior.

12. Which of the following computing model doesn’t require you to provision infrastructure?

1. Compute Engine

2. None of the above

3. Serverless

4. Bare Metal

5. Virtual Machines

13. The Kubernetes project work is carried primarily by SIGs. What does SIG stand for?

1. Support and Information Group

2. Strategy Implementation Group

3. Special Interest Group

4. Software Installation Guide

14. Which of the following factors does scheduling take into account when selecting a Node?

1. Services

2. Resource requirements

3. How many replicas there are in a Deployment

4. Pod quotas

15.  A new Pod is created. Then, the Pod is assigned to a Node. Which Kubernetes component was re-sponsible for determining which Node to assign the Pod to?

1. Scheduler

2. kubelet

3. Controller manager

4. API Server

16. Which persona is normally responsible for defining, testing, and running an incident management process?

1. Site Reliability Engineers

2. Project Managers

3. Application Developers

4. Quality Engineers

17. Which of the following is used to request storage in Kubernetes?

1. StorageClasses

2. PersistentVolumeClaim 'PVC'

3. PersistentVolume 'PV'

4. Container Storage Interface 'CSI'

18. What is a commonly used package manager for kubernetes applications?

1. apt

2. kubernetes manifest

3. npm

4. helm

19. What is the most common way to scale the application in the cloud environment?

1. Vertical Scaling

2. Horizontal Scaling

3. Parallel Scaling

20. What is the command used to login to the pod?

1. kubectl get

2. kubectl list

3. kubectl login

4. kubectl exec

21. What is container orchestration?

1. Using automation to manage containers

2. Adding code to a container image so it can run as a container

3. Spinning a new containers to replace old ones

4. Packaging code and all of its dependencies into a single executable

22. Which part of a Kubernetes cluster is responsible for running container workloads?

1. Control plane

2. etcd

3. Worker Node

4. kube-proxy

23. What is the smallest possible unit in Kubernetes to run a container?

1. pod

2. service

3. container

4. docker

24. Which of the following is NOT a Kubernetes component?

1. Kube-proxy

2. Scheduler

3. Docker

4. Cloud Controller manager

25. Which project in this list is a leading project in the observability space?

1. Argo

2. Jaeger

3. Kubernetes

4. Vitess

26. What tool allows us to build useful visual representations of prometheus data?

1. kubectl

2. Distributed system tracing

3. Grafana

4. Rook

5. Kibana

27. To specify a Kubernetes object which language is used?

1. Go

2. Python

3. Node

4. YAML

5. JSON

28. What function does kube-proxy provide to a cluster?

1. Managing data egress from the cluster nodes to the network.

2. Implementing the Ingress resource type for application traffic.

3. Managing access to the Kubernetes API.

4. Forwarding data to the correct endpoints for Services.

29. Which of the following container runtime is planned to be deprecated in Kubernetes 1.20 and high-er?

1. None of the options

2. cri-o

3. podman

4. docker

5. containerd

30. What is etcd used for in Kubernetes?

1. Network routing for the cluster

2. Kubernetes API security

3. Backend object storage for the Kubernetes API

4. Integration with cloud platforms

31. What does vertical scaling an application deployment describe best?

1. The act of adding/removing application instances of the same application to meet demand.

2. The act of adding/removing node instances to the cluster to meet demand.

3. The act of adding/removing applications to meet demand.

4. The act of adding/removing resources to applications to meet demand.

32. What is the name of the Kubernetes agent that runs on each worker nodes?

1. systemd

2. pod

3. kube-proxy

4. kubelet

33. Which command-line tool is used to interact with the Kubernetes cluster?

1. kubectl

2. kube-api

3. kube-scheduler

34. Which kubernetes object do deployments use behind the scenes when they need to scale pods?

1. Horizontal pod autoscaler

2. POD

3. Deployment

4. Replicasets

5. Api Scheduler

35. What is the default container runtimes in Kubernetes?

1. lxd

2. CRI-O

3. containerd

4. Dockershim

36. What tool allows you to create self-managing, self-scaling, self-healing storage?

1. Persistent Volume Claim

2. Volume

3. Storage Class

4. Persistent Volume

5. Rook

37. kubeadm is an administrative dashboard for kubernetes

1. True

2. False

38. CI/CD stands for:

1. Continuous Integration / Continuous Development

2. Continuous Integration / Continuous Deployment

3. Continuous Information / Continuous Development

4. Cloud Integration / Cloud Development

39. Which CNCF project is the dominant project with respect to container registries

1. Envoy

2. Rook

3. Kubernetes

4. Harbor

40. What standard does kubelet use to communicate with the container runtime?

1. CRI-O

2. Service Mesh Interface (SMI)

3. ContainerD

4. Container Runtime Interface (CRI)

41. Which of the following is not a stop on the cloud native trailmap?

1. Containerization

2. Software distribution

3. Microservices

4. CI/CD

42. Which of the following are not the metrics for Site Reliability Engineering?

1. Service Level Definition 'SLD'

2. Service Level Indicators 'SLI'

3. Service Level Objectives 'SLO'

4. Service Level Agreements 'SLA'

43. Which of the following characteristics is most essential to defining a cloud-native application?

1. The application is designed to scale horizontally, recover from failure, and run in containerized environments.

2. The application is packaged as a monolith for simplicity and reliability.

3. The application runs only on virtual machines and is tightly coupled with the host OS.

4. The application is hosted on a public cloud provider like AWS, Azure, or GCP.

44. Which of the following is an example of vertical scaling?

1. Using cluster autoscaler

2. Adding more nodes to kubernetes cluster

3. Adding more replica pods to a deployment

4. Adding more resources (memory and/or cpu) to a kubernetes node

45. The 4C’s of Cloud Native security

1. Chroot, Compute, Cluster and Container

2. Code, Containers, Compute, and Cloud

3. Cloud, Clusters, Containers, and Code

4. Cluster, Cloud, Compute, and Containers

46. Which is not a service type in Kubernetes?

1. ExternalName

2. Ingress

3. NodePort

4. LoadBalancer

5. ClusterIP

47. Which project is not a dominant CNCF project in the storage landscape?

1. Vitess

2. Envoy

3. Rook

4. TiKV

48. Which of the following is a responsibility of the governance board of an open source project?

1. Outline the project's “terms of engagement”.

2. Define the license to be used in the project.

3. Review the pull requests in the main branch.

4. Decide about the marketing strategy of the project.

49. What is scheduling in Kubernetes

1. Assigning pods to nodes

2. Joining a new nodes to the clusters

3. Determining when to execute a cron-job

4. Setting a time for automated tasks

50. Which of the following are characteristics of Statefulsets?

1. Creates replica sets

2. Ordered, graceful deployment and scaling

3. Uses headless services

FAQs

1. What is the KCNA certification in Kubernetes?

KCNA is an entry-level certification offered by the Linux Foundation and CNCF to validate foundational knowledge in Kubernetes and cloud-native technologies.

2. Is KCNA certification good for beginners in cloud native?

Yes, KCNA is ideal for beginners looking to understand Kubernetes concepts and the broader cloud-native ecosystem.

3. How do I prepare for the KCNA exam?

Study with official CNCF resources and practice questions from trusted platforms like CertiMaan.

4. What topics are covered in the KCNA certification?

KCNA includes Kubernetes fundamentals, cloud-native architecture, container orchestration, observability, and app delivery.

5. How difficult is the Kubernetes KCNA exam?

KCNA is moderately easy for those with basic understanding of cloud and Kubernetes. It's beginner-friendly compared to CKA or CKAD.

6. What is the format of the KCNA certification exam?

It’s an online, multiple-choice exam with 60 questions to be completed in 90 minutes.

7. What is the cost of the KCNA certification?

The exam costs $250 USD. Discounted vouchers may be available through training bundles.

8. How long is the KCNA exam duration?

You will have 90 minutes to complete the KCNA exam.

9. Are there any prerequisites for KCNA?

No official prerequisites. Basic cloud and Linux knowledge is helpful.

10. Where can I find KCNA practice questions or dumps?

You can access up-to-date KCNA dumps and mock exams on CertiMaan.

11. How do I register for the KCNA certification exam?

Register via the official Linux Foundation website: training.linuxfoundation.org.

12. Is the KCNA exam proctored online?

Yes, the exam is proctored online and can be taken remotely from anywhere.

13. What is the passing score for the KCNA exam?

You need at least 75% to pass the KCNA exam.

14. How long is the KCNA certification valid?

KCNA certification is valid for 3 years from the date of passing.

15. What’s the difference between KCNA and CKA?

KCNA is foundational and theoretical, while CKA is more advanced and hands-on for Kubernetes administrators.

16. Which companies recognize or value the KCNA certification?

Companies like Red Hat, IBM, Accenture, and startups in DevOps/cloud-native space value KCNA.

17. Can KCNA help me get a job in DevOps or Kubernetes roles?

Yes, it helps you enter DevOps, SRE, or junior Kubernetes admin roles.

18. What is the average salary after KCNA certification?

KCNA holders can expect entry-level DevOps salaries between $60,000 to $90,000 per year globally.

19. Does CertiMaan offer KCNA practice tests or preparation resources?

Yes, CertiMaan provides updated KCNA dumps, practice questions, and study guides.

20. How long does it take to study for the KCNA exam?

On average, 3–6 weeks of consistent study is sufficient to pass KCNA.