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Certified Kubernetes Administrator CKA (Kubernetes v1.35 curriculum) · Domain 1: Cluster Architecture, Installation and Configuration

Highly available control planes: stacked vs external etcd, quorum, load balancer in front of API servers, --upload-certs and --certificate-key

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Last reviewed September 25, 2026 · Leer en español

A single control plane node is a single point of failure: if it dies, running Pods keep going but nothing can be changed, scheduled or healed. A highly available (HA) control plane runs several control plane nodes so the cluster survives the loss of one.

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