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Linux Foundation KCNA - Kubernetes and Cloud Native Associate (KCNA)

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Total 126 questions

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

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

A.

Containers

B.

REST

C.

YAML

D.

ETCD

Which is NOT a use case for the Kubernetes dashboard?

A.

Troubleshooting any issues with applications

B.

Managing running applications

C.

Installing new Kubernetes cluster

D.

Managing the entire Kubernetes cluster

What is a benefits of Kubernetes federation?

A.

Avoids scalability limits on pods and nodes

B.

Creates highly available clusters in different regions

C.

Low latency

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

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

A.

Parallel Scaling

B.

Horizontal Scaling

C.

Vertical Scaling

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

A.

Grafana

B.

kubectl

C.

Distributed system tracing

D.

Rook

E.

Kibana

What is the command used to login to the pod?

A.

kubectl login

B.

kubectl list

C.

kubectl exec

D.

kubectl get

Flux is built using which toolkit?

A.

CI/CD

B.

DevSecOps

C.

GitOps

D.

DevOps

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

A.

Imperative

B.

None of the above

C.

Declarative