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Linux Foundation KCNA Dumps

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Total 126 questions

Kubernetes and Cloud Native Associate (KCNA) Questions and Answers

Question 1

In distributed system tracing, is the term used to refer to a request as it passes through a single com-ponent of the distributed system?

Options:

A.

Log

B.

Span

C.

Trace

D.

Bucket

Question 2

Which is NOT a use case for the Kubernetes dashboard?

Options:

A.

Troubleshooting any issues with applications

B.

Managing running applications

C.

Installing new Kubernetes cluster

D.

Managing the entire Kubernetes cluster

Question 3

Which of the following are not the metrics for Site Reliability Engineering?

Options:

A.

Service Level Objectives 'SLO'

B.

Service Level Agreements 'SLA'

C.

Service Level Indicators 'SLI'

D.

Service Level Definition 'SLD'

Question 4

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

Options:

A.

JSON

B.

Declarative

C.

Imperative

Question 5

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.

Question 6

What kubectl command is used to edit a resource on the server?

Options:

A.

kubectl resource modify

B.

kubectl update resource

C.

kubectl edit

D.

kubectl resource edit

Question 7

What is a commonly used package manager for kubernetes applications?

Options:

A.

npm

B.

apt

C.

helm

D.

kubernetes manifest

Question 8

What is container orchestration?

Options:

A.

Packaging code and all of its dependencies into a single executable

B.

Adding code to a container image so it can run as a container

C.

Using automation to manage containers

D.

Spinning a new containers to replace old ones

Question 9

Which of the following components is part of the Kubernetes control panel

Options:

A.

kubectl

B.

kube-proxy

C.

Service Mesh

D.

kubelet

E.

Cloud control manager

Question 10

What do GitOps tools do in kubernetes?

Options:

A.

They allow us to make changes to a kubernetes cluster using a Git repository

B.

They manage the source code of kubernetes itself

C.

They allow us to store software code in Git

D.

They allows us to store container images in repositories

Question 11

What is the command to list all the available objects in your Kubernetes cluster?

Options:

A.

kubectl get all

B.

kubectl get api-resources

C.

kubectl api-resources

D.

kubectl get pods

Question 12

What is OPA?

Options:

A.

Open Permission Agent

B.

Online Policy Audit

C.

Open Policy Agent

D.

Offline Policy Accessor

Question 13

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 14

What is Open Container Initiative 'OCI'?

Options:

A.

A protocol for communicating with the kubernetes api

B.

The governing body of the Cloud Native Computing Foundation 'CNCF'

C.

An open standard for managing service mesh in kubernetes

D.

An organization that creates open standards for containers

Question 15

What feature is used for selecting the container runtime configuration?

Options:

A.

RuntimeClass

B.

RuntimeContainer

C.

Runtime

D.

RuntimeConfig

Question 16

Which authentication method allows JWTs to authenticate?

Options:

A.

OpenId connect

B.

Client 'TLS' certificates

C.

OPA gatekeeper

D.

Anonymous

Question 17

What Linux feature is used to provide isolation for containers?

Options:

A.

Processes

B.

Services

C.

NetworkPolicy

D.

Control groups

Question 18

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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Total 126 questions