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Use Amazon AppFlow to automate and scale data ingestion from SaaS sources to S3, and configure S3 event notifications to SNS for user alerts — the most efficient, scalable, and low-maintenance solution for this use case.
A is correct
Option A: Auto Scaling EC2 instances High operational overhead (still managing EC2 instances). Not eliminating bottlenecks (EC2 instance is still the data processor). 🔴 Option C: EventBridge Rules Complex event-driven setup instead of direct integration. Requires custom event rules for each SaaS source, increasing operational burden. 🔴 Option D: ECS with CloudWatch Events Migrating to ECS introduces complexity and doesn’t directly improve transfer speeds. Still processes data manually, adding an unnecessary layer. Amazon AppFlow (Option B) is the best choice because it is fully managed, removes EC2 dependencies, and simplifies integration while improving performance.