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CKA study material · question 721 of 1000

How does Kubernetes typically implement a LoadBalancer Service?

  1. kube-proxy listens directly on the external address on every node
  2. The API server proxies external traffic to the Pods
  3. A node port is allocated and the cloud controller points the external balancer at it
  4. An Ingress controller is created automatically to front the Service
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Answer: C. A node port is allocated and the cloud controller points the external balancer at it

The usual implementation makes the changes equivalent to a NodePort Service and then has cloud-controller-manager configure the external balancer to forward to that port.

Source: Service (Kubernetes) — Service type › type: LoadBalancer

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