AWS Certified Solutions Architect Associate SAA-C03 Practice Question
Your client's online retail system is being redesigned to enhance scalability and ensure that the inventory tracking component can sequentially process transactions as they occur. To prevent any loss or misordering of transaction data, which service should be implemented?
Implement a publish/subscribe service for event notifications
Use a managed message queuing service with FIFO capabilities
Deploy a serverless function with an event processing trigger
Utilize a workflow orchestration service to manage the application's tasks