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Exam AWS Certified Developer - Associate DVA-C02 topic 1 question 536 discussion

Exam question from Amazon's AWS Certified Developer - Associate DVA-C02
Question #: 536
Topic #: 1
[All AWS Certified Developer - Associate DVA-C02 Questions]

A developer is creating a stock trading application. The developer needs a solution to send text messages to application users to confirmation when a trade has been completed.

The solution must deliver messages in the order a user makes stock trades. The solution must not send duplicate messages.

Which solution will meet these requirements?

  • A. Configure the application to publish messages to an Amazon Data Firehose delivery stream. Configure the delivery stream to have a destination of each user’s mobile phone number that is passed in the trade confirmation message.
  • B. Create an Amazon Simple Queue Service (Amazon SQS) FIFO queue. Use the SendMessageIn API call to send the trade confirmation messages to the queue. Use the SendMessageOut API to send the messages to users by using the information provided in the trade confirmation message.
  • C. Configure a pipe in Amazon EventBridge Pipes. Connect the application to the pipe as a source. Configure the pipe to use each user’s mobile phone number as a target. Configure the pipe to send incoming events to the users.
  • D. Create an Amazon Simple Notification Service (SNS) FIFO topic. Configure the application to use the AWS SDK to publish notifications to the SNS topic to send SMS messages to the users.
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Suggested Answer: D 🗳️
by italiancloud2025 at Feb. 17, 2025, 11:41 a.m.
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0bdf3af
1 month, 3 weeks ago
Selected Answer: D
Thought one. I would say D - using SNS but it costs operation work. B seems right but there is no SendMessageIn and SendMessageOut API operations
upvoted 2 times
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italiancloud2025
2 months, 1 week ago
Selected Answer: B
La opción D no es viable porque, aunque SNS permite enviar mensajes SMS, no ofrece temas FIFO ni garantías de orden en la entrega de SMS. Además, no se proporciona un mecanismo de deduplicación para SMS en SNS, lo que significa que podría haber mensajes duplicados o fuera de orden
upvoted 1 times
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