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CKA study material · question 8 of 1000

A new namespace is created and immediately contains a default ServiceAccount. What put it there?

  1. The ServiceAccount controller in the control plane
  2. The kubelet on the first node to schedule a Pod
  3. kubeadm, during cluster initialisation
  4. An admission webhook installed by default
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Answer: A. The ServiceAccount controller in the control plane

The ServiceAccount controller creates default ServiceAccounts for new namespaces.

Source: Cluster Architecture (Kubernetes) — Control plane components › kube-controller-manager

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