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Linux Foundation KCNA Kubernetes and Cloud Native Associate (KCNA) Exam Practice Test

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

Question 1

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 2

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

Options:

A.

kubectl api-resources

B.

kubectl explain

C.

kubectl get

D.

kubeadm get-resource

Question 3

What are default kubernetes namespaces?

Options:

A.

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

B.

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

C.

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

D.

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

Question 4

What is autoscaling?

Options:

A.

Automatically measuring resource usage

B.

Automatically assigning workloads to nodes in a cluster

C.

Automatically repairing broken application instances

D.

Automatically adding or removing compute resources as needed

Question 5

A ________ is an application running on kubernetes.

Options:

A.

node

B.

pod

C.

workload

D.

container

Question 6

What are the two goals of Cloud-Native?

Options:

A.

Rapid innovation and automation

B.

Slow innovation and stable applications

C.

Frequent deployments and well-defined organizational silos

D.

Rapid innovation and reliability

Question 7

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

Options:

A.

Container Repository

B.

Container Runtime

C.

Docker

D.

Container Image

Question 8

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

Options:

A.

Worker Node

B.

kube-proxy

C.

Control plane

D.

etcd

Question 9

kubeadm is an administrative dashboard for kubernetes

Options:

A.

False

B.

True

Question 10

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 11

What feature is used for selecting the container runtime configuration?

Options:

A.

RuntimeClass

B.

RuntimeContainer

C.

Runtime

D.

RuntimeConfig

Question 12

What can you use to add new resource types to your cluster?

Options:

A.

start container

B.

CustomResourceDefinitions

C.

init container

D.

Flux

E.

CRI-O

Question 13

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 14

Which prometheus metric type represents a single number value that can increase and decrease over time?

Options:

A.

Gauge

B.

Histogram

C.

Summary

D.

Counter

Question 15

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

Options:

A.

Envoy

B.

Harbor

C.

Kubernetes

D.

Rook

Question 16

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

Options:

A.

DaemonSet

B.

ClusterSet

C.

Deployment

D.

ReplicaSet

Question 17

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

Options:

A.

Kubernetes

B.

gRPC

C.

KubeDNS

D.

CoreDNS

Question 18

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

Options:

A.

metadata

B.

apiVersion

C.

Kind

D.

Container

E.

spec

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Total 126 questions
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