Question 1

A company has a microservices architecture. When a new user registers, an event must be sent to three separate microservices: Welcome Email, Analytics, and Provisioning. Each service must process the event independently at its own pace. Which TWO services should be combined to implement this 'fan-out' pattern? (Select TWO.)

Accepted Answer

The 'fan-out' pattern in AWS is classically implemented using SNS to publish to multiple SQS queues.

Question 2

What mistakes do candidates make on this AWS SAA-C03 question?

Accepted Answer

Using only SNS (subscribers might miss messages if offline) or only SQS (cannot natively duplicate messages to multiple queues).

How to approach this question

Full Answer

Common mistakes

Practice the full AWS SAA-C03 Practice Exam 3

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