Free Kubernetes and Cloud Native Associate (KCNA) Practice Exam

test2022-09-19T05:53:10+00:00

Looking for free Kubernetes and Cloud Native Associate (KCNA) Practice Exam? KCNA is a pre-professional certification designed for candidates interested in advancing to the professional level through a demonstrated understanding of kubernetes foundational knowledge and skills. FreeTestShare has compiled the most comprehensive collection of KCNA questions and answers to help you pass your KCNA Exam. We have accumulated real Kubernetes and Cloud Native Associate (KCNA) Practice Exam so that you can prepare and pass the KCNA exam on your first try.

Try out the free KCNA practice exam before making a purchase.

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1. Which tool is built on the GitOps toolkit?

Jenkins-X

GitHub Workflow & Actions

Flux

Jenkins

ArgoCD

Travis CI

2. Stateful set requires which service for the network identity of pods?

Ingress

Load Balancer Service

Headless Service

3. What is the command to list all the available objects in your Kubernetes cluster?

kubectl get all

kubectl get api-resources

kubectl api-resources

kubectl get pods

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

Virtualization

Docker

Serverless

Kubernetes

5. What are default kubernetes namespaces?

default, kube-public, kube-system, kube-node-lease

kube-default, kube-public, kube-system, kube-node-lease

default, kube-public, kube-systems, kube-node-lease

default, kube-public, kube-system, kube-node-leases

6. Which style of operations are preferred for K8S and cloud native applications?

JSON

Declarative

Imperative

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

kube-api

kubectl

kube-scheduler

8. What feature is used for selecting the container runtime configuration?

RuntimeClass

RuntimeContainer

Runtime

RuntimeConfig

9. What is container orchestration?

Packaging code and all of its dependencies into a single executable

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

Using automation to manage containers

Spinning a new containers to replace old ones

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

K8S does not do RBAC or Cluster role

RBAC lists which operations are denied to users

States which users can perform which actions against the resources.

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11. 1.An application that is nearing its usage limit. To increase the amount of users it can handle, you allo-cate additional memory resources to each instance of the application.

What type of scaling is this?

Horizontal Scaling

Cluster Autoscaling

Recursive Scaling

Vertical Scaling

12. Which is NOT a use case for the Kubernetes dashboard?

Troubleshooting any issues with applications

Managing running applications

Installing new Kubernetes cluster

Managing the entire Kubernetes cluster

13. To run a startup task before a Pod's container starts up.

What Kubernetes feature can help you ac-complish this?

Init container

Sidecar container

Startup probe

DaemonSet

14. What is OPA?

Open Permission Agent

Online Policy Audit

Open Policy Agent

Offline Policy Accessor

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

Scheduler

Docker

Cloud Controller manager

Kube-proxy

16. What is not semantic versioning?

1.0.0

2022-05-04

1.0.0-alpha

1.0.0-beta.2

17. Which of the following is not the required field to describe Kubernetes objects?

metadata

apiVersion

Kind

Container

spec

18. What is autoscaling?

Automatically measuring resource usage

Automatically assigning workloads to nodes in a cluster

Automatically repairing broken application instances

Automatically adding or removing compute resources as needed

19. 'kubectl delete -n my-ns po,svc --all' will delete pods and services including uninitialized ones in the namespace 'my-ns'

FALSE

TRUE

20. What are container runtimes with Kubernetes?

CRI-O

lxd

containerd

Dockershim

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21. What command use to get documentation about kubernetes resource type

alias k='kubectl' k api-resources

alias k='kubectl' k api-list

alias k='kubectl' k explain

alias k='kubectl' k get resource

22. What command can you use to get documentation about a resource type from the command line?

kubectl api-resources

kubectl explain

kubectl get

kubeadm get-resource

23. What cloud-native construct does a kubernetes pod wrap?

Container

Virtual Machine (VM)

side car process

Docker image

24. How should folks new to the cloud native ecosystem, go about learning the different aspects of the ecosystem?

by signing up the CNCF slack

by reading the Kubernetes documentation

by looking at the cloud native landscape

by looking at the cloud native trail-map

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

PersistentVolume 'PV'

PersistentVolumeClaim 'PVC'

Container Storage Interface 'CSI'

StorageClasses

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

kubectl

kube-proxy

Service Mesh

kubelet

Cloud control manager

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

kubectl login

kubectl list

kubectl exec

kubectl get

28. What are the two goals of Cloud-Native?

Rapid innovation and automation

Slow innovation and stable applications

Frequent deployments and well-defined organizational silos

Rapid innovation and reliability

29. 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

Dameon set

Replica set

Deployment

pod

service

Stateful set

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

POD

Deployment

Horizontal pod autoscaler

Api Scheduler

Replicasets

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31. What is the main difference between Argo vs. Flux CD?

Argo is pull-based, and Flux is push-based

No difference; both are pull-based

Argo is push-based, and Flux is pull-based

No difference; both are push-based

32. Which role is responsible of creating service level indicator 'SLI', service level objective 'SLO', & Service Level Agreements 'SLA'

Site reliability engineer 'SRE'

DevOps

GitOps

Security and compliance engineer

Developer