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Linux Foundation KCNA Dumps

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Total 126 questions
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Kubernetes and Cloud Native Associate (KCNA) Questions and Answers

Question 1

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

Options:

A.

None of the above

B.

Bare Metal

C.

Compute Engine

D.

Virtual Machines

E.

Serverless

Question 2

What is etcd used for in Kubernetes?

Options:

A.

Integration with cloud platforms

B.

Network routing for the cluster

C.

Kubernetes API security

D.

Backend object storage for the Kubernetes API

Question 3

Which organizational persona creates Service Level Agreements 'SLA', Service Level Objectives 'SLO', and Service Level Indicator 'SLI'?

Options:

A.

Developer

B.

DevSecOps

C.

Site Reliability Engineer (SRE)

D.

Security and Compliance Engineer

E.

DevOps

Question 4

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

Options:

A.

K8S does not do RBAC or Cluster role

B.

RBAC lists which operations are denied to users

C.

States which users can perform which actions against the resources.

Question 5

What is a benefits of Kubernetes federation?

Options:

A.

Avoids scalability limits on pods and nodes

B.

Creates highly available clusters in different regions

C.

Low latency

Question 6

What is the command used to scale the application?

Options:

A.

kubectl run

B.

kubectl explain

C.

kubectl scale

Question 7

What command use to get documentation about kubernetes resource type

Options:

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

Question 8

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

Options:

A.

PersistentVolume 'PV'

B.

PersistentVolumeClaim 'PVC'

C.

Container Storage Interface 'CSI'

D.

StorageClasses

Question 9

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

Options:

A.

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

B.

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

C.

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

Question 10

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

Options:

A.

etcd (pronounce: esty-d)

B.

api server

C.

kubelet

D.

scheduler

Question 11

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

Options:

A.

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

B.

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

C.

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

Question 12

The Kubernetes rolling update is used for __.

Options:

A.

Updating a service

B.

Scaling an application

C.

Updating a deployment

Question 13

To run a startup task before a Pod's container starts up. What Kubernetes feature can help you ac-complish this?

Options:

A.

Init container

B.

Sidecar container

C.

Startup probe

D.

DaemonSet

Question 14

Have a pod 'hello' and a container in that pod 'green'. Which of the following commands would get the logs for that container?

Options:

A.

alias k='kubectl'

k logs -p hello -c green

B.

alias k='kubectl'

k logs hello -c green

C.

alias k='kubectl'

k get logs -p hello -c green

D.

alias k='kubectl'

k logs -p hello green

Question 15

What is container runtime?

Options:

A.

The amount of time it takes a container to execute

B.

A container image format

C.

Another term of kubelet or kubectl

D.

Software that runs containers

Question 16

What is scheduling in Kubernetes

Options:

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

Question 17

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

Options:

A.

True

B.

False

Question 18

Which of the following is NOT a Kubernetes component?

Options:

A.

Scheduler

B.

Docker

C.

Cloud Controller manager

D.

Kube-proxy

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