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CKA study material · question 90 of 1000

Which files are shared between control-plane nodes and so generated once and distributed?

  1. The static Pod manifests
  2. kubelet.conf and bootstrap-kubelet.conf
  3. The etcd member data directories
  4. The sa, front-proxy-ca and CA files
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Answer: D. The sa, front-proxy-ca and CA files

The sa, front-proxy-ca and CA files are shared across control-plane nodes rather than generated per node.

Source: Certificate Management with kubeadm (Kubernetes) — Automated preparation of component credentials by using kubeadm phases

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