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

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Page: 2 / 4
Total 126 questions

Which prometheus metric type represents a single number value that can increase and decrease over time?

A.

Gauge

B.

Histogram

C.

Summary

D.

Counter

How can you achieve cost optimization in the cloud environment?

A.

Use On Demand instances

B.

Use Spot Instances

C.

Use Reserved Instances

D.

Use Bare Metal

Which CNCF project is the dominant project with respect to container registries

A.

Envoy

B.

Harbor

C.

Kubernetes

D.

Rook

Have a pod 'hello' and a container in that pod 'green'. Which of the following commands would get the logs for that container?

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

What makes cloud native technology so important?

A.

It makes data centric

B.

It strengthens team

C.

It removes roadblocks to innovation

D.

It helps gather software requirements

E.

It makes operational centric

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

A.

POD

B.

Deployment

C.

Horizontal pod autoscaler

D.

Api Scheduler

E.

Replicasets

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

A.

kubectl get all

B.

kubectl get api-resources

C.

kubectl api-resources

D.

kubectl get pods

Which is not a service type in Kubernetes?

A.

ClusterIP

B.

NodePort

C.

Ingress

D.

LoadBalancer

E.

ExternalName

Which of the following are characteristics of Statefulsets?

A.

Ordered, graceful deployment and scaling

B.

Creates replica sets

C.

Uses headless services

What cloud-native construct does a kubernetes pod wrap?

A.

Container

B.

Virtual Machine (VM)

C.

side car process

D.

Docker image