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CKA study material · question 291 of 1000

A load balancer's health check targets a node port and fails. Which kube-proxy port serves health checks?

  1. TCP 10256
  2. TCP 6443
  3. TCP 10250
  4. TCP 10257
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Answer: A. TCP 10256

kube-proxy listens on TCP 10256, which is the port a load balancer's health check targets.

Source: Ports and Protocols (Kubernetes) — Worker node(s)

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