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KCNA Kubernetes and Cloud Native Associate (KCNA) Question and Answers

Question # 4

What is the command used to scale the application?

A.

kubectl run

B.

kubectl explain

C.

kubectl scale

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Question # 5

Open Container Initiative set container standards for

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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Question # 6

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

A.

None of the above

B.

Bare Metal

C.

Compute Engine

D.

Virtual Machines

E.

Serverless

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Question # 7

What feature is used for selecting the container runtime configuration?

A.

RuntimeClass

B.

RuntimeContainer

C.

Runtime

D.

RuntimeConfig

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Question # 8

Which tool is built on the GitOps toolkit?

A.

Jenkins-X

B.

GitHub Workflow & Actions

C.

Flux

D.

Jenkins

E.

ArgoCD

F.

Travis CI

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Question # 9

How can persistent volume be provisioned?

A.

Automatically

B.

Bootstrap

C.

Dynamically

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Question # 10

What is the main difference between Argo vs. Flux CD?

A.

Argo is pull-based, and Flux is push-based

B.

No difference; both are pull-based

C.

Argo is push-based, and Flux is pull-based

D.

No difference; both are push-based

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Question # 11

What are container runtimes with Kubernetes?

A.

CRI-O

B.

lxd

C.

containerd

D.

Dockershim

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Question # 12

What is autoscaling?

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

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Question # 13

Which access control component of Kubernetes is responsible for authorization and decides what requestor is allowed to do?

A.

Service Account

B.

Role-based access control 'RBAC'

C.

Deployment

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Question # 14

What does the 'kops' acronym means?

A.

Kubernetes Open Platform Specification

B.

Kubernetes Operations

C.

Kubernetes Operators

D.

Kubernetes Operation Policy Specification

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Question # 15

What is the most common way to scale the application in the cloud environment?

A.

Parallel Scaling

B.

Horizontal Scaling

C.

Vertical Scaling

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Question # 16

Which command-line tool is used to interact with the Kubernetes cluster?

A.

kube-api

B.

kubectl

C.

kube-scheduler

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Question # 17

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

A.

Kubernetes does not do RBAC

B.

Kubernetes RBAC states which users can perform which actions against which re-source

C.

Kubernetes RBAC lists which operations on which resources are denied to users

D.

Kubernetes RBAC is responsible for authenticating subjects such as users and groups

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Question # 18

Which of the following is an example of vertical scaling?

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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