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CKA study material · question 58 of 1000

An administrator wants to run kubeadm init again on a node that already initialised a cluster. What must happen first?

  1. The node must be cordoned
  2. The certificates must be renewed
  3. The kubelet must be restarted
  4. The cluster must be torn down
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Answer: D. The cluster must be torn down

Running kubeadm init a second time requires tearing the cluster down first.

Source: Creating a cluster with kubeadm (Kubernetes) — More information

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