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CKA study material · question 64 of 1000

Why must a Pod network add-on and its manifests support RBAC in a kubeadm cluster?

  1. Because CNI plugins authenticate directly to etcd
  2. Because RBAC is required by the CNI specification
  3. Because add-ons always run as static Pods
  4. Because kubeadm enables RBAC by default
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Answer: D. Because kubeadm enables RBAC by default

kubeadm turns RBAC on by default, so a network add-on has to work under it.

Source: Creating a cluster with kubeadm (Kubernetes) — Installing a Pod network add-on

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