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CKA study material · question 577 of 1000

An administrator wants to change an API server flag while also upgrading the cluster. What does kubeadm upgrade offer?

  1. Reconfiguration through --component-extra-args during the upgrade
  2. Nothing — kubeadm upgrade does not reconfigure an existing cluster
  3. Automatic adoption of any edits made to the static Pod manifests
  4. Reconfiguration, provided --config is supplied with a ClusterConfiguration
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Answer: B. Nothing — kubeadm upgrade does not reconfigure an existing cluster

kubeadm upgrade moves a cluster to a new version and nothing more; reconfiguring an existing cluster is a separate documented procedure.

Source: Upgrading kubeadm clusters (Kubernetes) — Additional information

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