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CKA study material · question 417 of 1000

Which settings govern node heartbeat timing? Choose two.

  1. --node-status-update-frequency on the kubelet
  2. --lease-duration on the API server
  3. --node-monitor-period on the controller manager
  4. --heartbeat-interval on kube-proxy
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Answer: A. --node-status-update-frequency on the kubelet
C. --node-monitor-period on the controller manager

The kubelet posts status at its update frequency and the controller manager checks at its monitor period.

Source: Nodes (Kubernetes) — Node controller

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