SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
A company is migrating a containerized application from on-premises to AWS. The application runs on Kubernetes. The company wants to use Amazon EKS for orchestration. The migration must support high availability across multiple Availability Zones and integrate with AWS services like IAM, VPC, and CloudWatch. The company needs to minimize the operational overhead of managing the Kubernetes control plane. Which EKS configuration should the company use?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use EKS with managed node groups using a mix of On-Demand and Spot Instances across three Availability Zones.
Using EKS with managed node groups reduces operational overhead as AWS manages the node provisioning, scaling, and patching. Deploying across three Availability Zones with a mix of On-Demand and Spot Instances provides high availability and cost optimization. Managed node groups integrate with EC2 Auto Scaling and support diverse instance types, which improves fault tolerance. This configuration meets the requirements for high availability across multiple AZs and integration with AWS services like IAM, VPC, and CloudWatch. Option B is incorrect because self-managed node groups require manual management of EC2 instances, increasing operational overhead, contrary to the goal of minimizing control plane management. Option C is incorrect because a single managed node group in one AZ does not provide high availability across multiple AZs. Option D is incorrect because Fargate launches pods without managing EC2 instances, but it may be less cost-effective for long-running containers and does not support all customizations needed for standard Kubernetes features.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Use EKS with managed node groups using a mix of On-Demand and Spot Instances across three Availability Zones.
Why this is correct
Managed node groups reduce overhead; multi-AZ and mixed instances provide HA and cost savings.
- ✗
Use EKS with self-managed node groups using On-Demand instances in two Availability Zones.
Why it's wrong here
Self-managed nodes increase overhead.
- ✗
Use EKS with a single managed node group using a single instance type in one Availability Zone.
Why it's wrong here
Single AZ does not provide high availability.
- ✗
Use EKS with Fargate launch type for all pods.
Why it's wrong here
Fargate may be more expensive for long-running workloads and has limitations.
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