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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

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Question 1

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

Options:

A.

Service Mesh Interface (SMI)

B.

CRI-O

C.

ContainerD

D.

Container Runtime Interface (CRI)

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 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 4

Observability and monitoring are not the same?

Options:

A.

True

B.

False

Question 5

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

Options:

A.

JSON

B.

Declarative

C.

Imperative

Question 6

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

Options:

A.

Site reliability engineer 'SRE'

B.

DevOps

C.

GitOps

D.

Security and compliance engineer

E.

Developer

Question 7

Which is not a service type in Kubernetes?

Options:

A.

ClusterIP

B.

NodePort

C.

Ingress

D.

LoadBalancer

E.

ExternalName

Question 8

Which of the following is an example of vertical scaling?

Options:

A.

Using cluster autoscaler

B.

Adding more resources (memory and/or cpu) to a kubernetes node

C.

Adding more nodes to kubernetes cluster

D.

Adding more replica pods to a deployment

Question 9

What are cluster-wide objects

Options:

A.

Service and Pods

B.

Volumes and Nodes

C.

ConfigMaps and Secrets

Question 10

What Linux feature is used to provide isolation for containers?

Options:

A.

Processes

B.

Services

C.

NetworkPolicy

D.

Control groups

Question 11

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

Options:

A.

Persistent Volume

B.

Persistent Volume Claim

C.

Storage Class

D.

Rook

E.

Volume

Question 12

Which of the following is not a stop on the cloud native trailmap?

Options:

A.

Microservices

B.

CI/CD

C.

Containerization

D.

Software distribution

Question 13

Fluentd is the leading project in the CNCF space for logging?

Options:

A.

TRUE

B.

FALSE

Question 14

Which authentication method allows JWTs to authenticate?

Options:

A.

OpenId connect

B.

Client 'TLS' certificates

C.

OPA gatekeeper

D.

Anonymous

Question 15

How does service logical group set of pods?

Options:

A.

Using hostname

B.

Using label and selectors

C.

Using IP address

Question 16

What is horizontal scaling?

Options:

A.

Creating a Deployment

B.

Adding resources to existing apps and servers

C.

Moving workloads from one server to another

D.

Adding additional replicas of apps and servers

Question 17

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 18

Which project in this list is a leading project in the observability space?

Options:

A.

Jaeger

B.

Vitess

C.

Argo

D.

Kubernetes

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Total 126 questions
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