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    PracticeAzure Solutions Architect Expert (AZ-305)Azure Solutions Architect Expert AZ-305 Practice Exam 4Question 24
    Hard1 markMultiple Choice
    Domain 2.2: Design Data IntegrationData IntegrationStreamingEvent Hubs

    AZ-305 · Question 24 · Domain 2.2: Design Data Integration

    You are designing a real-time fraud detection system for a financial services company.

    Millions of credit card transactions per minute will be ingested. The system must evaluate these transactions against a machine learning model in real-time. Transactions flagged as fraudulent must be sent to a Service Bus queue for immediate human review. All raw transactions must be archived to Azure Data Lake Storage Gen2 for future model training.

    Which TWO Azure services should you include in the data integration architecture? (Select TWO)

    Answer options:

    A.

    Azure Event Hubs

    B.

    Azure Data Factory

    C.

    Azure Stream Analytics

    D.

    Azure Event Grid

    E.

    Azure SQL Managed Instance

    How to approach this question

    High throughput ingestion = Event Hubs. Real-time processing/routing/ML integration = Stream Analytics.

    Full Answer

    Azure Event Hubs is designed to ingest massive streams of telemetry data (millions of events/sec). Azure Stream Analytics connects to Event Hubs to process the data in real-time. Stream Analytics has built-in capabilities to call Azure Machine Learning endpoints, output specific records to Service Bus, and simultaneously output all raw data to Azure Data Lake Storage.

    Common mistakes

    Confusing Event Hubs (telemetry streaming) with Event Grid (discrete event routing).
    Question 23All questionsQuestion 25

    Practice the full Azure Solutions Architect Expert AZ-305 Practice Exam 4

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