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CKA study material · question 423 of 1000

What is a node's role in Kubernetes, technically speaking?

  1. An annotation set by kubeadm
  2. A node-role.kubernetes.io/<role> label whose value is ignored
  3. A taint applied by the controller manager
  4. A field in the Node spec
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Answer: B. A node-role.kubernetes.io/<role> label whose value is ignored

Node roles are just labels of that form, and Kubernetes ignores the label's value.

Source: Nodes (Kubernetes) — Manual Node administration

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