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Fanout Pattern

5 minutes 5 Questions

The fanout pattern in AWS SNS is a messaging pattern that allows a single published message to be sent to multiple subscribers, making it easy to broadcast information quickly and efficiently. This can be particularly useful when different components of a system are interested in the same event or ā€¦

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AWS Certified Solutions Architect - Fanout Pattern Example Questions

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Question 1

An e-commerce company wants to implement a Fanout Pattern for sending notifications about customer orders to different internal teams. What is the most suitable service to choose?

Correct Answer: Amazon Simple Notification Service

Amazon Simple Notification Service (SNS) is the best choice for sending notifications to multiple subscribers, making it ideal for implementing the Fanout Pattern in this scenario. Other services like Amazon SQS, Simple Workflow, Kinesis Data Streams, Step Functions, and IoT Core are either not designed for messaging, or do not address the specific requirement of sending notifications to multiple recipients.

Question 2

You are tasked with designing a Fanout Pattern solution for an image processing system, where each image needs to be processed in multiple ways immediately upon upload. Which combination of AWS Services can achieve this requirement efficiently?

Correct Answer: Amazon S3, AWS Lambda, Amazon SNS, and Amazon SQS

Correct answer uses Amazon S3 for object storage, AWS Lambda for automatic processing, Amazon SNS for pub/sub messaging, and Amazon SQS for message queuing. Wrong answers have missing components for the Fanout Pattern, such as no S3 for object storage or no messaging components like SNS and SQS.

Question 3

An IoT system that sends temperature data from thousands of sensors requires a Fanout Pattern for processing data with several consumers. What is the best AWS service to implement this pattern?

Correct Answer: Amazon Kinesis Data Streams

Amazon Kinesis Data Streams is specifically designed for ingesting and consuming high volumes of streaming data, making it ideal for this IoT scenario. Other options like Amazon SNS, SQS, and IoT Core may handle specific parts of the problem, but Kinesis Data Streams provides an integrated solution to address the entire use case.

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