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CKA study material · question 461 of 1000

What does scaling out an etcd cluster achieve? Choose two.

  1. It increases capacity
  2. It increases availability
  3. It improves write throughput
  4. It costs performance
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Answer: B. It increases availability
D. It costs performance

Scaling etcd trades performance for availability; it adds neither capacity nor capability.

Source: Operating etcd clusters for Kubernetes (Kubernetes) — Scaling out etcd clusters

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