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CKA study material · question 36 of 1000

A Pod using hostPort gets no traffic on the node's port. Which CNI configuration setting is likely missing?

  1. The dns capability
  2. The ipam capability
  3. The bandwidth capability
  4. The portMappings capability
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Answer: D. The portMappings capability

hostPort works only when the CNI configuration declares the portMappings capability, usually via the portmap plugin.

Source: Network Plugins (Kubernetes) — Support hostPort

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