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CKA study material · question 548 of 1000

You are choosing a Pod CIDR for a new cluster. Which two statements are correct? Choose two.

  1. A cluster may run several Pod network add-ons side by side
  2. The Pod network must not overlap any network the hosts already use
  3. Exactly one Pod network add-on may be installed per cluster
  4. The Pod CIDR must be a subnet of the Service CIDR
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Answer: B. The Pod network must not overlap any network the hosts already use
C. Exactly one Pod network add-on may be installed per cluster

You can install only one Pod network per cluster, and its CIDR must not collide with the host networks. The Pod and Service ranges are separate and non-overlapping, not nested.

Source: Creating a cluster with kubeadm (Kubernetes) — Installing a Pod network add-on

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