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CKA study material · question 269 of 1000

A client resolves a headless Service's DNS name. What comes back?

  1. The node IPs
  2. The set of IPs of all selected Pods
  3. One virtual IP
  4. A CNAME to the Service's namespace
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Answer: B. The set of IPs of all selected Pods

A headless Service resolves to the addresses of every Pod it selects, leaving the client to pick.

Source: DNS for Services and Pods (Kubernetes) — Services › A/AAAA records

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