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CKA study material · question 190 of 1000

In a topology spread constraint, what does topologyKey name?

  1. A Pod label used to group Pods
  2. A node label whose identical values define one domain
  3. A namespace annotation
  4. A taint key on the node
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Answer: B. A node label whose identical values define one domain

topologyKey is a node label; nodes sharing its value form one domain the scheduler balances across.

Source: Pod Topology Spread Constraints (Kubernetes) — Spread constraint definition

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