Kubernetes Cloud Native Associate (KCNA) Certification 1 Practice Test

What does the command 'kubectl expose' do in Kubernetes?

Decreases a deployment Exposes a Kubernetes deployment as a service Deletes a service Scales a deployment

Correct Answer:

Exposes a Kubernetes deployment as a service

Explanation:

Exposing a deployment by creating a Service object is what this command does. It takes the specified resource (like a Deployment) and creates a Service that selects the pods with the matching labels, giving them a stable network endpoint inside the cluster. By default, this creates a ClusterIP service, which is reachable from within the cluster only; you can make it accessible outside the cluster by choosing a different type, such as NodePort or LoadBalancer. This operation does not change the number of replicas, delete resources, or scale the deployment.

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