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AZ-305 · Question #34

You are planning an Azure IoT Hub solution that will include 50,000 IoT devices. Each device will stream data, including temperature, device ID, and time data. Approximately 50,000 records will be…

The correct answer is C. Azure Cosmos DB SQL API D. Azure Time Series Insights. D: Time Series Insights is a fully managed service for time series data. In this architecture, Time Series Insights performs the roles of stream processing, data store, and analytics and reporting. It accepts streaming data from either IoT Hub or Event Hubs and stores…

Submitted by amina.ke· Mar 6, 2026Design data storage solutions

Question

You are planning an Azure IoT Hub solution that will include 50,000 IoT devices. Each device will stream data, including temperature, device ID, and time data. Approximately 50,000 records will be written every second. The data will be visualized in near real time. You need to recommend a service to store and query the data. Which two services can you recommend? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.

Options

  • AAzure Table Storage
  • BAzure Event Grid
  • CAzure Cosmos DB SQL API
  • DAzure Time Series Insights

How the community answered

(28 responses)
  • A
    11% (3)
  • B
    7% (2)
  • C
    82% (23)

Explanation

D: Time Series Insights is a fully managed service for time series data. In this architecture, Time Series Insights performs the roles of stream processing, data store, and analytics and reporting. It accepts streaming data from either IoT Hub or Event Hubs and stores, processes, analyzes, and displays the data in near real time. C: The processed data is stored in an analytical data store, such as Azure Data Explorer, HBase, Azure Cosmos DB, Azure Data Lake, or Blob Storage. https://docs.microsoft.com/en-us/azure/architecture/data-guide/scenarios/time-series

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