Get 2023 Updated Free Linux Foundation KCNA Exam Questions & Answer [Q38-Q62]

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Get 2023 Updated Free Linux Foundation KCNA Exam Questions and Answer

KCNA Dumps PDF and Test Engine Exam Questions

Linux Foundation KCNA Exam Syllabus Topics:

Topic	Details
Topic 1	Kubernetes Architecture, Kubernetes Fundamentals, Kubernetes Resources, Kubernetes API
Topic 2	Application Delivery Fundamentals GitOps, CI CD Cloud Native Application Delivery
Topic 3	Telemetry & Observability Cloud Native Observability
Topic 4	Community and Governance, Roles and Personas Cloud Native Architecture1
Topic 5	Container Orchestration Fundamentals Container Orchestration, Networking, Service Mesh, Security

Q38. What standard does kubelet use to communicate with the container runtime?

Service Mesh Interface (SMI)

CRI-O

ContainerD

Container Runtime Interface (CRI)

kubelet can communicate with any runtime that supports the CRI standard.

Q39. To specify a Kubernetes object which language is used?

JSON

YAML

Node

Python

https://kubernetes.io/docs/concepts/overview/working-with-objects/kubernetes-objects/

Q40. Flux is built using which toolkit?

CI/CD

DevSecOps

GitOps

DevOps

https://fluxcd.io/

Q41. A ________ is an application running on kubernetes.

node

pod

workload

container

https://kubernetes.io/docs/concepts/workloads/

Q42. How would you return all the pod data in the json format using kubectl command?

kubectl get pods -o json

kubectl get pods –all-namspaces

kubectl get pods -o wide

kubectl get pods -o jsonpath

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

Q43. Which of the following is not the Kubernetes AutoScaling Strategy?

Horizontal Pod Autoscaler

Cluster Autoscaler

Vertical Pod Autoscaler

Load Balancing AutoScaler

https://learnk8s.io/kubernetes-autoscaling-strategies

Q44. Which part of a Kubernetes cluster is responsible for running container workloads?

Worker Node

kube-proxy

Control plane

etcd

Worker Nodes are responsible for executing containerized workloads.

Q45. What tool allows you to create self-managing, self-scaling, self-healing storage?

Persistent Volume

Persistent Volume Claim

Storage Class

Rook

Volume

https://rook.io/

Q46. What is the functionality of the daemon set?

To run a copy of the pod in all the nodes of the cluster

To initialize the pod before starting the main pod

To run a copy of the pod in a single node of the cluster

https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/

Q47. Which of the following computing model doesn’t require you to provision infrastructure?

None of the above

Bare Metal

Compute Engine

Virtual Machines

Serverless

Q48. Various Container Orchestrator Systems (COS)?

Apache Mesos

None of the options

Docker Swarm

Kubernetes

Q49. What is the most common way to scale the application in the cloud environment?

Parallel Scaling

Horizontal Scaling

Vertical Scaling

https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/

Q50. What Kubernetes resource would allow you to run one Pod on some of your Nodes?

DaemonSet

ClusterSet

Deployment

ReplicaSet

https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/

Q51. How does service logical group set of pods?

Using hostname

Using label and selectors

Using IP address

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

Q52. Fluentd is the only way to export logs from Kubernetes cluster or applications running in cluster

True

False

https://github.com/cncf/landscape#trail-map

Q53. What CNCF project is the leading DNS project in the CNCF landscape?

Kubernetes

gRPC

KubeDNS

CoreDNS

https://github.com/cncf/landscape#trail-map

Q54. What is the use of labels in Kubernetes?

All of the options

It is used to assign annotation to an object

It is used to assign key-value pair to an object

It is used to assign a name to an object.

https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/

Q55. 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

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

Q56. What are the two major components of service mesh?

Control plane and Data plane

Master plane and Data plane

None of the options

Controller plane and User plane

Master plane and User plane

https://istio.io/latest/about/service-mesh/

Q57. Which project is not a dominant CNCF project in the storage landscape?

Envoy

Vitess

Rook

TiKV

https://github.com/cncf/landscape#trail-map

Q58. Continuous delivery is ______.

Manually deploying the code

Coding, Building and Testing the code

Automatically deploying code to [container or server] environment

Q59. Which style of operations are preferred for K8S and cloud native applications?

JSON

Declarative

Imperative

https://kubernetes.io/docs/tasks/manage-kubernetes-objects/declarative-config/#trade-offs

Q60. What is FinOps?

The first step in any cloud transformation

Stage beyond DevOps or DevSecOps, where organization transition to serverless tech-nologies

Using data to make cost savings decisions about cloud usage

Specialized cloud features used by financial industries (example: banks, insurance, etc)

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

Q61. A ________ is a ready-to-run software package, containing everything needed to run an application.

Container Repository

Container Runtime

Docker

Container Image

https://kubernetes.io/docs/concepts/containers/#container-images

Q62. 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.

https://kubernetes.io/docs/reference/access-authn-authz/rbac/

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Get 2023 Updated Free Linux Foundation KCNA Exam Questions & Answer [Q38-Q62]

Linux Foundation KCNA Exam Syllabus Topics:

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