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AWS Certified Solutions Architect - Professional · AWS
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Use topology spread constraints across AZs This directly improves resilience. By spreading pods evenly across Availability Zones, you reduce the blast radius if one node or even an entire AZ fails. Kubernetes will distribute pods in a way that maintains high availability, and EKS node groups in multiple AZs will ensure that scaling events don’t overload a single zone.
Option D
Option D
"To achieve high availability, customers deploy Amazon EKS worker nodes (Amazon EC2 instances) across multiple distinct AZs. To complement this approach, we recommend customers to implement Kubernetes primitives, such as pod topology spread constraints to achieve pod-level high availability as well as efficient resource utilization." https://aws.amazon.com/blogs/containers/getting-visibility-into-your-amazon-eks-cross-az-pod-to-pod-network-bytes/