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CKA study material · question 521 of 1000

A Job's Pods appear on nodes shortly after the Job is created. What did the Job controller itself actually do?

  1. It instructed the kubelets on the chosen nodes to start containers
  2. It asked the API server to create Pod objects
  3. It bound Pods to nodes and then started their containers
  4. It wrote Pod manifests into each node's static pod directory
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Answer: B. It asked the API server to create Pod objects

Built-in controllers change the world by writing to the API server. The Job controller creates Pod objects; the scheduler then binds them and the kubelets run them.

Source: Controllers (Kubernetes) — Controller pattern › Control via API server

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