KCNA Online Practice Questions and Answers

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

A. Jaeger

B. Vitess

C. Argo

D. Kubernetes

What is not semantic versioning?

A. 1.0.0

B. 2022-05-04

C. 1.0.0-alpha

D. 1.0.0-beta.2

Which command is used to expose Kubernetes service

A. kubectl expose

B. kubectl create

C. kubectl run

What is container runtime?

A. The amount of time it takes a container to execute

B. A container image format

C. Another term of kubelet or kubectl

D. Software that runs containers

A ________ is a ready-to-run software package, containing everything needed to run an application.

A. Container Repository

B. Container Runtime

C. Docker

D. Container Image

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 name for the tool that manages communication between pods, injects a sidecar proxy container into each pod and directs network traffic through the proxy container?

A. namespace

B. Deployment

C. Network policy

D. Service mesh

E. Service

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

A. kubectl resource modify

B. kubectl update resource

C. kubectl edit

D. kubectl resource edit

You might need to run a stateless application in kubernetes, and you want to be able to scale easily and perform rolling updates. What kubernetes resource type can you use to do this

A. Dameon set

B. Replica set

C. Deployment

D. pod

E. service

F. Stateful set

Stateful set requires which service for the network identity of pods?

A. Ingress

B. Load Balancer Service

C. Headless Service