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Question 56

You plan to deploy an application that will be analyzing financial transactions.

You need to recommend a messaging service that will allow you to find duplicate transactions while processing the data.

Which messaging service should you create?

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Explanation (click to expand)

You should use Service Bus to find duplicate transactions in the incoming data. Service Bus is a brokered messaging system. It stores data in a queue until the subscriber is ready to receive the message.

You should not use Event Hub to find duplicate transactions in the incoming data. Azure Event Hub is a big data streaming platform that enables capturing, retaining, and replaying telemetry and event stream data. The data may come from a variety of sources.

You should not use Event Hub to find duplicate transactions in the incoming data. Event Grid is a fully managed event service that enables event-driven, reactive programming following a publish-subscribe model. Publishers post events without expectations about which events are being handled. Subscribers can choose which events they want to handle.

You should not use Azure Queue to find duplicate transactions in the incoming data. Azure Queue storage is a service for storing large numbers of messages that can be accessed from anywhere in the world via authenticated calls using HTTP or HTTPS.

References (click to expand)

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