A solutions architect needs to design a system to process incoming work items immediately. Processing can
take up to 30 minutes and involves calling external APIs, executing multiple states, and storing intermediate
states.
The solution must scale with variable workloads and minimize operational overhead.
Which combination of steps meets these requirements? (Select TWO.)
The customers of a finance company request appointments with financial advisors by sending text messages.A web application that runs on Amazon EC2 instances accepts the appointment requests. The text messagesare published to an Amazon Simple Queue Service (Amazon SQS) queue through the web application.Another application that runs on EC2 instances then sends meeting invitations and meeting confirmationemail messages to the customers. After successful scheduling, this application stores the meeting informationin an Amazon DynamoDB database.As the company expands, customers report that their meeting invitations are taking longer to arrive.What should a solutions architect recommend to resolve this issue?
A media company runs an application on multiple Amazon EC2 instances that requires high storage input/output operations per second (IOPS).To achieve the necessary performance, a solutions architect wants to stripe multiple Amazon EBS volumestogether and attach the volumes to EC2 instances. The solutions architect wants to receive a notification whenIOPS are over-provisioned.Which solution will meet these requirements?
A company needs to provide a team of contractors with temporary access to the company's AWS resourcesfor a short-term project. The contractors need different levels of access to AWS services. The company needsto revoke permissions for all the contractors when the project is finished.Which solution will meet these requirements with the LEAST operational overhead?