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CKA study material · question 391 of 1000

A Service is defined correctly and has endpoints, yet traffic still fails. Which policy object should be reviewed?

  1. The namespace's LimitRange
  2. The Service's sessionAffinityConfig
  3. The Pods' PriorityClass
  4. A NetworkPolicy ingress rule affecting the backend Pods
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Answer: D. A NetworkPolicy ingress rule affecting the backend Pods

A NetworkPolicy affecting the target Pods can make a correctly configured Service appear broken.

Source: Debug Services (Kubernetes) — Any Network Policy Ingress rules affecting the target Pods?

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