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CKA study material · question 708 of 1000

Which two statements describe a headless Service? Choose two.

  1. kube-proxy does not program any rules for it
  2. It load balances across its endpoints in round robin
  3. DNS returns the addresses of the backing Pods
  4. It is allocated a cluster IP that is never advertised
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Answer: A. kube-proxy does not program any rules for it
C. DNS returns the addresses of the backing Pods

A headless Service gets no cluster IP and no proxying at all; DNS hands the client the Pod addresses and the client chooses. Any balancing is the client's own.

Source: Service (Kubernetes) — Headless Services

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