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CKA study material · question 504 of 1000

A cluster runs a CNI plugin that implements Service routing in its own dataplane. What does that make possible for the node components?

  1. The kubelet becomes optional on worker nodes
  2. The container runtime can be omitted
  3. kube-proxy can be omitted
  4. Cluster DNS becomes a core component rather than an addon
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Answer: C. kube-proxy can be omitted

kube-proxy is documented as an optional node component precisely because a network plugin may implement Service routing itself. The kubelet and a container runtime are required on every node that runs Pods.

Source: Kubernetes Components (Kubernetes) — Core Components › Node Components

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