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A user has developed an application which is required to send the data to a NoSQL database. The user wants to decouple
the data sending such that the application keeps processing and sending data but does not wait for an acknowledgement
of DB. Which of the below mentioned applications helps in this scenario?

A.
AWS Simple Notification Service

B.
AWS Simple Workflow

C.
AWS Simple Query Service

D.
AWS Simple Queue Service

Explanation:
Amazon Simple Queue Service (SQS) is a fast, reliable, scalable, and fully managed message queuing service. SQS
provides a simple and cost-effective way to decouple the components of an application. In this case, the user can use
AWS SQS to send messages which are received from an application and sent to DB. The application can continue
processing data without waiting for any acknowledgement from DB. The user can use SQS to transmit any volume of
data without losing messages or requiring other services to always be available.
http://aws.amazon.com/sqs/

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