What is the minimum number of nodes required in a regional GKE cluster for high availability?

Question

Google Cloud (GCP) — Easy

What is the minimum number of nodes required in a regional GKE cluster for high availability?

Accepted Answer

A regional GKE cluster requires at least 3 nodes for high availability, as this setup allows for zone-level redundancy. Having fewer nodes would compromise availability. Options A and B are insufficient, while option D is excessive.