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You need to configure a gateway for the child devices. The solution must meet the networking requirements. Which gateway pattern should you use?
You need to store the real-time alerts generated by Stream Analytics to meet the technical requirements.
Which type of Stream Analytics output should you configure?
When you create a Time Series Insights Preview pay-as-you-go (PAYG) SKU environment, you create two Azure resources:
An Azure Storage general-purpose V1 blob account for cold data storage.
An Azure Time Series Insights Preview environment that can be configured for warm data storage.
https://docs.microsoft.com/en-us/azure/time-series-insights/time-series-insights-update-storage-ingress
You deploy an Azure Digital Twins instance.
You are developing client code that will modify digital twin data.
You run the client code and receive the following response for an Azure Digital Twins API.
403 (Forbidden)
You need to configure access control for the Azure Digital Twins instance to ensure that the client code can modify the data.
Which role should you assign?
Most often, this error indicates that your Azure role-based access control (Azure RBAC) permissions for the service aren't set up correctly. Many actions for an Azure Digital Twins instance require you to have the Azure Digital Twins Data Owner role on the instance you are trying to manage.
https://docs.microsoft.com/en-us/azure/digital-twins/troubleshoot-error-403
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.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You have an Azure Stream Analytics job that receives input from an Azure IoT hub and sends the outputs to Azure Blob storage. The job has compatibility level 1.1 and six streaming units.
You have the following query for the job.
You plan to increase the streaming unit count to 12.
You need to optimize the job to take advantage of the additional streaming units and increase the throughput.
Solution: You change the compatibility level of the job to 1.2.
Does this meet the goal?
Max number of Streaming Units with one step and with no partitions is 6.
https://docs.microsoft.com/en-us/azure/stream-analytics/stream-analytics-parallelization
You have 1,000 devices that connect to a standard tier Azure IoT hub.
All the devices are commissioned and send telemetry events to the built-in IoT Hub endpoint. You configure message enrichment on the events endpoint and set the enrichment value to $twin.tags.ipV4.
When you inspect messages on the events endpoint, you discover that all the messages are stamped with a string of "$twin.tags.ipV4".
What are two possible causes of the issue? Each Answer presents a complete solution.
NOTE: Each correct selection is worth one point.
In some cases, if you are applying an enrichment with a value set to a tag or property in the device twin, the value will be stamped as a string value. For example, if an enrichment value is set to $twin.tags.field, the messages will be stamped with the string '$twin.tags.field' rather than the value of that field from the twin. This happens in the following cases:
(C) Your IoT Hub is in the standard tier, but the device sending the message has no device twin.
(E) Your IoT Hub is in the standard tier, but the device twin path used for the value of the enrichment does not exist. For example, if the enrichment value is set to $twin.tags.location, and the device twin does not have a location property under tags, the message is stamped with the string '$twin.tags.location'.
Your IoT Hub is in the basic tier. Basic tier IoT hubs do not support device twins.
https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-message-enrichments-overview
