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Linux Foundation KCNA - Questions & Answers

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Question 1
Single choice

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?

A.

Horizontal Scaling

B.

Cluster Autoscaling

C.

Recursive Scaling

D.

Vertical Scaling

Question 2
Single choice

Which of the following best describes a cloud-native app?

A.

An application where all logic is coded into a single large binary.

B.

An application that publishes an HTTPS web front-end.

C.

An application that takes advantages of cloud computing fromworks and their loosely coupled cloud services.

D.

An application that leverages services that are native to public cloud platforms such as Azure, GCP, and/or AWS.

Question 3
Single choice

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

A.

Jaeger

B.

Vitess

C.

Argo

D.

Kubernetes

Question 4
Single choice

To specify a Kubernetes object which language is used?

A.

JSON

B.

Go

C.

YAML

D.

Node

E.

Python

Question 5
Single choice

What is OPA?

A.

Open Permission Agent

B.

Online Policy Audit

C.

Open Policy Agent

D.

Offline Policy Accessor

Question 6
Single choice

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

Question 7
Single choice

Which authentication method allows JWTs to authenticate?

A.

OpenId connect

B.

Client 'TLS' certificates

C.

OPA gatekeeper

D.

Anonymous

Question 8
Single choice

Which of the following are characteristics of Statefulsets?

A.

Ordered, graceful deployment and scaling

B.

Creates replica sets

C.

Uses headless services

Question 9
Single choice

Observability and monitoring are not the same?

A.

True

B.

False

Question 10
Single choice

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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