KCNA Practice Test

KCNA Practice Test practice questions, page 13 of 14, with answer review and explanations.

Question 61

What Kubernetes control plane component exposes the programmatic interface used to create, manage and interact with the Kubernetes objects?

  1. kube-controller-manager
  2. kube-proxy
  3. kube-apiserver
  4. etcd

Question 62

Which type of Service requires manual creation of Endpoints?

  1. LoadBalancer
  2. Services without selectors
  3. NodePort
  4. ClusterIP with selectors

Question 63

Which of these commands is used to retrieve the documentation and field definitions for a Kubernetes resource?

  1. kubectl explain
  2. kubectl api-resources
  3. kubectl get --help
  4. kubectl show

Question 64

Which of the following is a lightweight tool that manages traffic flows between services, enforces access policies, and aggregates telemetry data, all without requiring changes to application code?

  1. NetworkPolicy
  2. Linkerd
  3. kube-proxy
  4. Nginx

Question 65

Which Kubernetes resource uses immutable: true boolean field?

  1. Deployment
  2. Pod
  3. ConfigMap
  4. ReplicaSet