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CKA study material · question 780 of 1000

In the default Corefile, which two plugins divide the work of answering queries? Choose two.

  1. kubernetes, which answers for the cluster domain
  2. rewrite, which maps external names to Services
  3. forward, which sends the rest to the node's resolvers
  4. hosts, which serves the node's /etc/hosts
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Answer: A. kubernetes, which answers for the cluster domain
C. forward, which sends the rest to the node's resolvers

The kubernetes plugin answers for Services and Pods in the cluster domain, and forward sends everything outside it to the resolvers in /etc/resolv.conf.

Source: Customizing DNS Service (Kubernetes) — CoreDNS › CoreDNS ConfigMap options

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