Online Access Free KCNA Practice Test

Which of the following sentences is true about namespaces in Kubernetes?

• A.The defaultnamespace exists when a new cluster is created.
• B.You can create a namespace within another namespace in Kubernetes.
• C.You can create two resources of the same kind and name in a namespace.
• D.All the objects in the cluster are namespaced by default.

Gateway API is a successor to what Kubernetes API?

• A.Service
• B.NetworkPolicy
• C.NodePort
• D.Ingress

What is the main purpose of the Open Container Initiative (OCI)?

• A.Improving the security of standards around container formats and runtimes
• B.Creating industry standards around container formats and runtimes for private purposes.
• C.Creating open industry standards around container formats and runtimes.
• D.Accelerating the adoption of containers and Kubernetes in the industry.

How can you monitor the progress for an updated Deployment/DaemonSets/StatefulSets?

• A.kubectl rollout state
• B.kubectl rollout progress
• C.kubectl rollout watch
• D.kubectl rollout status

DNS issues are suspected inside a Pod. Which command is most useful to verify the problem?

• A.kubectl exec <pod> -- nslookup <service-name> to check name resolution directly inside the Pod.
• B.kubectl logs <pod> to review application output for errors related to DNS resolution.
• C.kubectl get endpoints to confirm whether Services have the correct backend addresses.
• D.kubectl delete pod to recreate the Pod and test if the issue resolves after restarting.