Aws Solutions Architect - Professional Already Passed

Creates distributed asynchronous workflows Supports sequential and parallel processing Tracks the state of the workflow Best for human enabled workflows {Ans: AWS SWF - Simple Workflow Service Consider AWS Step Functions over SWF for new apps}Loosely Coupled Architecture {Ans: Layers of abstraction Permits more flexibility Interchangeable components More atomic functional units Can scale components independently}Storage Gateway Types {Ans: Short: - Gateway Stored Volumes - Gateway Cached Volumes - Gateway Virtual Tape Library (VTL) or Virtual Tape Shelf if stored in Glacier. Long: *Volume gateways* - Volume gateways provide cloud-backed storage volumes that you can mount as Internet Small Computer System Interface (iSCSI) devices from your on-premises application servers. The gateway supports the following volume configurations: - *Gateway-cached volumes* - You store your data in Amazon Simple Storage Service (Amazon S3) and retain a copy of frequently accessed data subsets locally. Gateway-cached volumes offer a substantial cost savings on primary storage and minimize the need to scale your storage on-premises. You also retain low-latency access to your frequently accessed data. - *Gateway-stored volumes* - If you need low-latency access to your entire data set, you can configure your on-premises gateway to store all your data locally and then