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Exam KCNA topic 1 question 177 discussion

Actual exam question from Linux Foundation's KCNA
Question #: 177
Topic #: 1
[All KCNA Questions]

What is the minimum of etcd members that are required for a highly available Kubernetes cluster?

  • A. Two etcd members.
  • B. Five etcd members.
  • C. Six etcd members.
  • D. Three etcd members
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Suggested Answer: D 🗳️
by Zangi at July 18, 2025, 3:53 a.m.

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8378ffe
2 months, 2 weeks ago
Selected Answer: D
For a highly available Kubernetes cluster, a minimum of three etcd members is required. Explanation: etcd uses a quorum mechanism to ensure data consistency and prevent split-brain scenarios. A quorum is defined as a strict majority of members required to agree on a decision before it is committed. For a cluster with n members, the quorum is (n/2) + 1.
upvoted 2 times
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Zangi
4 months, 1 week ago
Selected Answer: C
C is the only option that isn't immediately wrong.
upvoted 1 times
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