KCNA Online Practice Questions and Answers

Notary and the update framework leading security projects in CNCF

A. TRUE

B. FALSE

In Kubernetes, what is considered the primary cluster data source?

A. etcd (pronounce: esty-d)

B. api server

C. kubelet

D. scheduler

Which command is used to expose Kubernetes service

A. kubectl expose

B. kubectl create

C. kubectl run

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

What does CNCF stand for?

A. Cloud Native Computing Foundation

B. Cloud Native Cloud Foundation

C. Cloud Native Container Foundation

There are three Nodes in a cluster, and want to run exactly one replica of a Pod on each Node. Pre-fer to

automatically create a replica on any new Nodes when they are added.

Which Kubernetes re-source should you use?

A. DaemonSet

B. ReplicaSet

C. NodeSet

D. StatefulSet

E. Deployment

What is the use of labels in Kubernetes?

A. All of the options

B. It is used to assign annotation to an object

C. It is used to assign key-value pair to an object

D. It is used to assign a name to an object.

How to create deployment name app-dep, image=nginx, and replicas 5 using imperative command?

A. kubectl create app-dep deployment --image=nginx --replicas=5

B. kubectl create deployment app-dep --image=nginx --replicas=5

C. kubectl create app-dep deployment --replicas=5 --image=nginx

What is the smallest possible unit in Kubernetes to run a container?

A. pod

B. docker

C. service

D. container

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

A. Ingress

B. Load Balancer Service

C. Headless Service