The Microsoft Azure IoT Developer exam is for candidates who aim to become specialists in managing IoT solutions on Microsoft Azure. In this course, Microsoft Azure IoT Developer: Implement Device Authentication in IoT Hub, you’ll learn to Implement Device Authentication in IoT Hub. First, you’ll explore how to choose an appropriate authentication technique. Next, you’ll discover how to manage devices with symmetric keys. Finally, you’ll learn how to manage devices secured with an X509 client certificate. When you’re finished with this course, you’ll have the skills and knowledge of integrating caching and content delivery needed to pass the AZ-220 exam.