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Message Attributes

5 minutes 5 Questions

Message attributes are metadata that you can attach to a message when publishing it. These attributes consist of a name, data type, and value. They allow for further structuring and filtering of messages on the subscriber side. Message attributes do not affect routing or how messages are published,…

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AWS Certified Solutions Architect - Message Attributes Example Questions

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Question 1

Your application needs to apply different processing logic based on the incoming message type. Which feature allows you to process messages reliably and route them to different AWS services based on message attributes?

Correct Answer: Create an Amazon SNS topic and an Amazon SQS subscription with filter policies.

Amazon SNS and SQS provide a reliable publish-subscribe communication pattern. By adding message attributes, you can set filter policies on SQS subscriptions to route messages based on their content. This allows reliable processing of different message types.

Question 2

You have an application publishing messages to an Amazon SNS topic. Which data type can be used for message attributes when publishing messages?

Correct Answer: String, String.Array, Number, and Binary

Amazon SNS supports the following data types for message attributes: String, String.Array, Number (supports both integers and floating-point values), and Binary.

Question 3

Your application uses Amazon SNS to send messages to different subscribers. You need to ensure that messages containing sensitive information are only processed by specific subscribers. How can you achieve this using message attributes?

Correct Answer: Use message attributes to filter messages based on content, and set the filter policy on subscribers.

You can use message attributes to filter the messages based on their content, and set the filter policy on subscribers to add restrictions. The subscribers will only receive messages that meet the filter policy criteria.

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