Question 56

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
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You have an Azure IoT solution that includes an Azure IoT hub, a Device Provisioning Service instance, and
1,000 connected IoT devices.
All the IoT devices are provisioned automatically by using one enrollment group.
You need to temporarily disable the IoT devices from connecting to the IoT hub.
Solution: You disconnect the Device Provisioning Service from the IoT hub.
Does this meet the goal?
  • Question 57

    You have 1,000 devices that connect to an Azure IoT hub.
    You are performing a scheduled check of deployed IoT devices.
    You plan to run the following command from the Azure CLI prompt.
    az iot hub query --hub-name hub1 --query-command "SELECT * FROM devices WHERE connectionState = 'Disconnected'" What does the command return?
  • Question 58

    You have an Azure Stream Analytics job that connects to an Azure IoT hub named Hub1445 as a streaming data source. Hub1445 is configured as shown in the exhibit. (Click the Exhibit tab.)

    The Stream Analytics job fails to receive any messages from the IoT hub. What should you do to resolve the issue?
  • Question 59

    You have an Azure IoT Central application that monitors 100 IoT devices.
    You need to generate alerts when the temperature of a device exceeds 100 degrees. The solution must meet the following requirements:
    * Minimize costs
    * Minimize deployment time
    What should you do?
  • Question 60

    You are troubleshooting an Azure IoT hub.
    You discover that some telemetry messages are dropped before they reach downstream processing.
    You suspect that IoT Hub throttling is the root cause.
    Which log in the Diagnostics settings of the IoT hub should you use to capture the throttling error events?