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CKA study material · question 385 of 1000

Which check comes first when a Service cannot be reached?

  1. Whether kube-proxy is in nftables mode
  2. Whether an Ingress class is set
  3. Whether the Service object exists at all
  4. Whether the Pods pass their liveness probes
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Answer: C. Whether the Service object exists at all

Forgetting to create the Service is a real cause, so its existence is the first thing checked.

Source: Debug Services (Kubernetes) — Does the Service exist?

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