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You need to recommend a solution to keep device properties synced to IoT Hub. The solution must minimize data loss caused by the connectivity issues. What should you include in the recommendation?
A. Azure Event Grid
B. a cloud-to-device message
C. loT Hub device twins
D. the loT Hub direct method
ANSWER : C
What should you do to identify the cause of the connectivity issues?
A. Send cloud-to-device messages to the IoT devices.
B. Use the heartbeat pattern to send messages from the IoT devices to iothub1.
C. Monitor the connection status of the device twin by using an Azure function.
D. Enable the collection of the Connections diagnostics logs and set up alerts for the connected devices count metric.
ANSWER : D
How should you complete the GROUP BY clause to meet the Streaming Analytics requirements?
A. GROUP BY HoppingWindow(Second, 60, 30)
B. GROUP BY TumblingWindow(Second, 30)
C. GROUP BY SlidingWindow(Second, 30)
D. GROUP BY SessionWindow(Second, 30, 60)
ANSWER : B
You plan to deploy Azure Time Series Insights. What should you create on iothub1 before you deploy Time Series Insights?
A. a new message route
B. a new consumer group
C. a new shared access policy
D. an IP filter rule
ANSWER : B
You need to enable telemetry message tracing through the entire IoT solution. What should you do?
A. Monitor device lifecycle events.
B. Upload IoT device logs by using the File upload feature.
C. Enable the DeviceTelemetry diagnostic log and stream the log data to an Azure event hub.
D. Implement distributed tracing.
ANSWER : D