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CKA study material · question 31 of 1000

Which two statements about the operator pattern are correct? Choose two.

  1. It extends cluster behaviour without changing Kubernetes' own source
  2. It combines custom resources with custom controllers
  3. It replaces the kube-controller-manager
  4. It requires recompiling the API server
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Answer: B. It combines custom resources with custom controllers
A. It extends cluster behaviour without changing Kubernetes' own source

An operator is a controller acting on custom resources, and it is simply another API client.

Source: Operator pattern (Kubernetes) — Operator pattern

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