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CKA study material · question 511 of 1000

You label a node with node-role.kubernetes.io/worker=production. How does Kubernetes interpret the value "production"?

  1. As a scheduling weight applied to that node
  2. As the name of a PriorityClass Pods on that node inherit
  3. It is ignored; only the label key carries meaning
  4. As a taint value, applied automatically with NoSchedule
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Answer: C. It is ignored; only the label key carries meaning

Kubernetes ignores the value of a node role label; convention is to repeat the role name. Only the node-role.kubernetes.io/<role> key is meaningful, and it has no scheduling effect on its own.

Source: Nodes (Kubernetes) — Management › Manual Node administration

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