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Exam question from Amazon's AWS Certified Solutions Architect - Professional SAP-C02

Question #: 405
Topic #: 1

[All AWS Certified Solutions Architect - Professional SAP-C02 Questions]

A company is preparing to deploy an Amazon Elastic Kubernetes Service (Amazon EKS) cluster for a workload. The company expects the cluster to support an unpredictable number of stateless pods. Many of the pods will be created during a short time period as the workload automatically scales the number of replicas that the workload uses.

Which solution will MAXIMIZE node resilience?

A. Use a separate launch template to deploy the EKS control plane into a second cluster that is separate from the workload node groups.
B. Update the workload node groups. Use a smaller number of node groups and larger instances in the node groups.
C. Configure the Kubernetes Cluster Autoscaler to ensure that the compute capacity of the workload node groups stays underprovisioned.
D. Configure the workload to use topology spread constraints that are based on Availability Zone.

Show Suggested Answer

Suggested Answer: D 🗳️

by devalenzuela86 at Nov. 22, 2023, 10:28 p.m.

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thala

Highly Voted 1 year, 1 month ago

Selected Answer: D

Use Topology Spread Constraints Based on Availability Zone

upvoted 11 times

devalenzuela86

1 year, 1 month ago

To maximize node resilience for an Amazon Elastic Kubernetes Service (Amazon EKS) cluster that is expected to support an unpredictable number of stateless pods, the best solution would be to configure the Kubernetes Cluster Autoscaler to ensure that the compute capacity of the workload node groups stays underprovisioned.

upvoted 5 times

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HunkyBunky

Highly Voted 1 year, 1 month ago

Selected Answer: D

I guess D, because question requres to MAXIMIZE NODE resilience. Node not workload, so we need to spread nodes across AZs.

upvoted 9 times

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career360guru

Most Recent 9 months, 3 weeks ago

Selected Answer: D

Option D

upvoted 1 times

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career360guru

11 months, 3 weeks ago

Selected Answer: D

Option D

upvoted 2 times

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MegalodonBolado

1 year ago

"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/

upvoted 5 times

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shaaam80

1 year, 1 month ago

Selected Answer: D

Answer D. From GPT - This approach ensures that the stateless pods are distributed across different Availability Zones, maximizing node resilience. If a failure occurs in one Availability Zone, the impact on the workload is minimized because other pods are spread across different zones. Makes sense for Node Resilience!

upvoted 2 times

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heatblur

1 year, 1 month ago

Selected Answer: D

D is the answer. Configuring the workload to use topology spread constraints based on Availability Zone — is the best solution to maximize node resilience. This approach enhances the stability and availability of the EKS cluster by ensuring that the workload is evenly spread across different Availability Zones, thereby mitigating the risks associated with zone-specific failures or performance issues. Remember, it's asking about Node Resilience, not Pod Resilience

upvoted 4 times

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