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When IoT devices or infrastructure fail and communications or control are disrupted, it’s important to be able to resolve these issues as quickly as possible.
In this course, Microsoft Azure IoT Developer: Troubleshoot Device Communication, you’ll learn to diagnose and correct device and IoT infrastructure communication.
First, you’ll explore how to establish maintenance communication. Next, you’ll discover what steps are required to verify device telemetry is received by the IoT hub, including validating the device twin properties, tags, and direct methods are functioning correctly.
Finally, you’ll learn how to troubleshoot device disconnects and connects.
When you’re finished with this course, you’ll have the skills and knowledge of troubleshooting device communication needed to confidently answer questions in this area of the AZ-220 IoT Developer Certification Exam.