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CKA study material · question 73 of 1000

What is the documented order for upgrading a kubeadm cluster?

  1. etcd members, then workers, then control-plane nodes
  2. All nodes simultaneously
  3. The first control-plane node, then the other control-plane nodes, then the workers
  4. Worker nodes, then control-plane nodes
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Answer: C. The first control-plane node, then the other control-plane nodes, then the workers

The workflow is the primary control-plane node, then additional control-plane nodes, then the workers.

Source: Upgrading kubeadm clusters (Kubernetes) — Upgrading kubeadm clusters

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