[Dec 03, 2023] Pass KCNA Review Guide, Reliable KCNA Test Engine [Q25-Q45]

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[Dec 03, 2023] Pass KCNA Review Guide, Reliable KCNA Test Engine

KCNA Test Engine Practice Test Questions, Exam Dumps

Linux Foundation KCNA (Kubernetes and Cloud Native Associate) Exam is a certification program designed to test the proficiency of IT professionals in deploying and managing cloud-native applications using Kubernetes. Kubernetes is an open-source container orchestration platform that has become increasingly popular among organizations worldwide due to its ability to automate the deployment, scaling, and management of containerized applications. As a result, the demand for professionals with Kubernetes skills has been growing rapidly, making the KCNA certification an important credential for those seeking career advancement in the cloud-native space.

Q25. Which statement is true about Pod Networking?

All pod requires an external DNS server to get the hostname

All containers in a pod get a unique IP address

All containers in a pod share a single IP address

All pod requires NAT to get a unique IP address.

https://kubernetes.io/docs/concepts/workloads/pods/#pod-networking

Q26. Which of the following is NOT a Kubernetes component?

Scheduler

Docker

Cloud Controller manager

Kube-proxy

Docker is not a Kubernetes component.

Q27. Which project is not a dominant CNCF project in the storage landscape?

Envoy

Vitess

Rook

TiKV

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

Q28. 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/

Q29. What are cluster-wide objects

Service and Pods

Volumes and Nodes

ConfigMaps and Secrets

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

Q30. 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/

Q31. 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

Q32. Open Container Initiative set container standards for

Code, Build, Distribute, Deploy containers

Run, build, and image

Code, Build, Distribute containers

Run, Build, Distribute containers

Q33. Which kubernetes object do deployments use behind the scenes when they need to scale pods?

POD

Deployment

Horizontal pod autoscaler

Api Scheduler

Replicasets

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

Q34. 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/

Q35. Which control plane component is responsible for scheduling pods?

kube-proxy

kube scheduler

kubelet

kube api-server

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

Q36. 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/

Q37. 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

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

Q38. Which access control component of Kubernetes is responsible for authorization and decides what requestor is allowed to do?

Service Account

Role-based access control ‘RBAC’

Deployment

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

Q39. In Kubernetes, what is considered the primary cluster data source?

etcd (pronounce: esty-d)

api server

kubelet

scheduler

https://kubernetes.io/docs/concepts/overview/components/#etcd

Q40. Flux is built using which toolkit?

CI/CD

DevSecOps

GitOps

DevOps

https://fluxcd.io/

Q41. Which organizational persona creates Service Level Agreements ‘SLA’, Service Level Objectives ‘SLO’, and Service Level Indicator ‘SLI’?

Developer

DevSecOps

Site Reliability Engineer (SRE)

Security and Compliance Engineer

DevOps

SREs create SLAs, SLOs, and SLIs to define and implement standards for application and infra-structure reliability.

Q42. What is container runtime?

The amount of time it takes a container to execute

A container image format

Another term of kubelet or kubectl

Software that runs containers

https://www.aquasec.com/cloud-native-academy/container-security/container-runtime/

Q43. 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

Q44. 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

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

Q45. 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/

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