Kubernetes Node Controller Quiz
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Questions and Answers

What is the primary role of the node controller in Kubernetes?

  • Handling communication between nodes in the cluster
  • Checking the status of nodes and taking actions through kube-apiserver (correct)
  • Managing the deployment of applications on the nodes
  • Monitoring the state of pods and containers on the node

    • How long does the node controller wait to mark a node unreachable if it fails the status check?

  • 40 seconds (correct)
  • 10 seconds
  • 1 minute
  • 30 seconds

    • What action does the node controller take if a node fails to come back up within 5 minutes?

  • It destroys the pod and provisions a new one (correct)
  • It reboots the node
  • It triggers a full cluster restart
  • It escalates the issue to the cluster administrator

    • What is the first action performed by the kube-apiserver when it receives a request?

    <p>Authenticate the request and validate it</p> Signup and view all the answers

    In the context of creating a new pod, what is the role of the scheduler in the sequence of events?

    <p>Get the right node to place new pod</p> Signup and view all the answers

    When deploying using kubeadm, which command can be used to view the kube-apiserver configuration?

    <p>dir cat /etc/kubernetes/manifests/kube-apiserver.yml</p> Signup and view all the answers

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