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Exam KCNA topic 1 question 99 discussion

Actual exam question from Linux Foundation's KCNA
Question #: 99
Topic #: 1
[All KCNA Questions]

How many hosts are required to set up a highly available Kubernetes cluster when using an external etcd topology?

  • A. Four hosts. Two for control plane nodes and two for etcd nodes.
  • B. Four hosts. One for a control plane node and three for etcd nodes.
  • C. Three hosts. The control plane nodes and etcd nodes share the same host.
  • D. Six hosts. Three for control plane nodes and three for etcd nodes.
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Suggested Answer: D 🗳️
by heeloco at Oct. 25, 2024, 10:33 a.m.

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mainevent55
3 weeks, 6 days ago
Selected Answer: D
You should therefore run a minimum of three stacked control plane nodes for an HA cluster https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/ha-topology/#:~:text=A%20minimum%20of%20three%20hosts,HA%20cluster%20with%20this%20topology.
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