A meteorological startup company has a custom web application to sell weather data to its users online. The company uses Amazon DynamoDB to store its data and wants to build a new service that sends an alert to the managers of four internal teams every time a new weather event is recorded. The company does not want this new service to affect the performance of the current application.
What should a solutions architect do to meet these requirements with the LEAST amount of operational overhead?
A . Use DynamoDB transactions to write new event data to the table Configure the transactions to notify internal teams.
B . Have the current application publish a message to four Amazon Simple Notification Service (Amazon SNS) topics. Have each team subscribe to one topic.
C . Enable Amazon DynamoDB Streams on the table Use triggers to write to a single Amazon Simple Notification Service (Amazon SNS) topic to which the teams can subscribe
D . Add a custom attribute to each record to flag new items Write a cron job that scans the table every minute for items that are new and notifies an Amazon Simple Queue Service (Amazon SQS) queue to which the teams can subscribe
Answer: A
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