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KCNA Sample Questions Answers

Questions 4

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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Questions 5

The Kubernetes rolling update is used for __.

Options:

A.

Updating a service

B.

Scaling an application

C.

Updating a deployment

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Questions 6

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

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Questions 7

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

Options:

A.

True

B.

False

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Questions 8

What is FinOps?

Options:

A.

The first step in any cloud transformation

B.

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

C.

Using data to make cost savings decisions about cloud usage

D.

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

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Questions 9

An application that is nearing its usage limit. To increase the amount of users it can handle, you allo-cate additional memory resources to each instance of the application. What type of scaling is this?

Options:

A.

Horizontal Scaling

B.

Cluster Autoscaling

C.

Recursive Scaling

D.

Vertical Scaling

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Questions 10

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

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Questions 11

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

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Questions 12

What tool allows us to build useful visual representations of prometheus data?

Options:

A.

Grafana

B.

kubectl

C.

Distributed system tracing

D.

Rook

E.

Kibana

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Questions 13

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

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Questions 14

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

Options:

A.

Kubernetes

B.

gRPC

C.

KubeDNS

D.

CoreDNS

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Questions 15

What cloud-native construct does a kubernetes pod wrap?

Options:

A.

Container

B.

Virtual Machine (VM)

C.

side car process

D.

Docker image

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Questions 16

What is the primary interface for Kubernetes cluster?

Options:

A.

Kubernetes Api

B.

Kubelet

C.

YAML

D.

Control Plane

E.

JSON

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Questions 17

What is not semantic versioning?

Options:

A.

1.0.0

B.

2022-05-04

C.

1.0.0-alpha

D.

1.0.0-beta.2

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Questions 18

Which statement is true about Pod Networking?

Options:

A.

All pod requires an external DNS server to get the hostname

B.

All containers in a pod get a unique IP address

C.

All containers in a pod share a single IP address

D.

All pod requires NAT to get a unique IP address.

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Questions 19

Which kubernetes resource type allows defining which pods are isolated when it comes to network-ing?

Options:

A.

Network policy

B.

Domain Name System 'DNS'

C.

Role Binding

D.

Service

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Questions 20

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

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Questions 21

Open Container Initiative set container standards for

Options:

A.

Code, Build, Distribute, Deploy containers

B.

Run, build, and image

C.

Code, Build, Distribute containers

D.

Run, Build, Distribute containers

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Questions 22

Which Kubernetes resource creates Kubernetes Jobs?

Options:

A.

JobFactory

B.

CronJob

C.

Task

D.

JobDeployment

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Questions 23

Which of the following factors does scheduling take into account when selecting a Node?

Options:

A.

How many replicas there are in a Deployment

B.

Services

C.

Resource requirements

D.

The number of existing Pods on a Node

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Questions 24

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

Options:

A.

JSON

B.

Declarative

C.

Imperative

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Questions 25

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

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Questions 26

Which tool is built on the GitOps toolkit?

Options:

A.

Jenkins-X

B.

GitHub Workflow & Actions

C.

Flux

D.

Jenkins

E.

ArgoCD

F.

Travis CI

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Questions 27

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

Options:

A.

Horizontal pod autoscaler

B.

ReplicaSets

C.

kubectl

D.

Replication controller

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Questions 28

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

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Questions 29

Which control plane component is responsible for scheduling pods?

Options:

A.

kube-proxy

B.

kube scheduler

C.

kubelet

D.

kube api-server

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Questions 30

Various Container Orchestrator Systems (COS)?

Options:

A.

Apache Mesos

B.

None of the options

C.

Docker Swarm

D.

Kubernetes

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Questions 31

How can persistent volume be provisioned?

Options:

A.

Automatically

B.

Bootstrap

C.

Dynamically

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Questions 32

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

Options:

A.

Dameon set

B.

Replica set

C.

Deployment

D.

pod

E.

service

F.

Stateful set

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Questions 33

Stateful set requires which service for the network identity of pods?

Options:

A.

Ingress

B.

Load Balancer Service

C.

Headless Service

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Questions 34

What are container runtimes with Kubernetes?

Options:

A.

CRI-O

B.

lxd

C.

containerd

D.

Dockershim

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Questions 35

What does the 'kops' acronym means?

Options:

A.

Kubernetes Open Platform Specification

B.

Kubernetes Operations

C.

Kubernetes Operators

D.

Kubernetes Operation Policy Specification

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Questions 36

The Kubernetes API provides an interface for storing objects. Which of the following describes the type of objects stored by the Kubernetes API?

Options:

A.

Containers

B.

REST

C.

YAML

D.

ETCD

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Questions 37

The 4C’s of Cloud Native security

Options:

A.

Chroot, Compute, Cluster and Container

B.

Cluster, Cloud, Compute, and Containers

C.

Code, Containers, Compute, and Cloud

D.

Cloud, Clusters, Containers, and Code

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Exam Code: KCNA
Exam Name: Kubernetes and Cloud Native Associate (KCNA)
Last Update: May 14, 2024
Questions: 126
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