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Message Group ID

5 minutes 5 Questions

The Message Group ID is an identifier for Amazon SQS FIFO (First-In-First-Out) queues that specifies a group to which a message belongs. A Message Group ID helps the service maintain the order of messages within a group. Messages that belong to the same group are always processed in the order they …

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AWS Certified Solutions Architect - Message Group ID Example Questions

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Question 1

You are developing an online game where players can join teams. Each team sends scores to the backend and they need to be updated in real-time. You're using Amazon SQS FIFO queue to handle the score submissions. How should you set up the message group ID for this purpose?

Correct Answer: Use the team ID as the message group ID.

By using the team ID as the message group ID, you ensure that messages from the same team are processed in the order they were sent, maintaining real-time score updates. Other options would not provide the desired ordering.

Question 2

Your company processes customer orders using Amazon SQS FIFO queue. Each order is processed independently, but processing should be done in FIFO order. How should you configure the message group ID?

Correct Answer: Use the customer ID as the message group ID.

Using the customer ID as the message group ID ensures that each customer's orders are processed in the order they were sent. Other options could lead to out-of-order processing or fail to guarantee FIFO ordering.

Question 3

You are designing a message processing system using Amazon SQS with FIFO queues. The system processes messages from the same sender in the same order they were sent. How should you configure the message group ID?

Correct Answer: Use a unique message group ID for each sender.

Using a unique message group ID for each sender will make sure that messages from the same sender are processed in the order they were sent. Other options do not fulfill this requirement and could lead to messages being processed out of order.

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