Exam Domain Details

Simply put, this Microsoft evaluation will check on your knowledge of the succeeding skills:

• Observe, fix issues & optimize IoT solutions

  The second last section is all about troubleshooting IoT solutions. Concepts like configuring health monitoring, metrics in IoT Hub, understanding Azure IoT Hub setting diagnostics logs, and conducting performance & testing stress are well explained in this segment.

• Handling & Processing the data

  With details like ways to routing configuration for Azure IoT hub, integration of Event Grid Configuration stream processing, Stream Analytics output configuration, IoT data processing using ASA, Azure Time Series Insights (TSI) environment creating, and IoT Hub alongside the TSI configuration, this objective is very informative and detailed.

• Deploying the Edge

  Here, learners have a good chance to learn the expert-level expertise related to concepts like IoT Edge device set-up along with automatic deployment.

• Provision and manage devices

  Taking care of the device lifecycle management, IoT device management through IoT Hub, handling the Device Provisioning Service (DPS), and building IoT solutions are the topics covered in the second part of AZ-220.

• Implement security

  Before the test ends, a detailed understanding of device authentication, using x.509 certificates for configuration enrollment, choosing the right authentication type, configuring various attestation mechanisms through DPS, and the TPM endorsement key generating for the device can be gained from such an area.

• Implement the IoT solution infrastructure

  The first exam domain tries to impart best-of-breed understanding related to creating and configuration an IoT hub, device twin configuration, device-to-cloud communication, and many others.

Skills measured

• Provision and manage devices (15-20%)
• Monitor, troubleshoot, and optimize IoT solutions (15-20%)
• Process and manage data (15-20%)
• Set up the IoT solution infrastructure (10-15%)
• Implement security (10-15%)
• Implement IoT Edge (15-20%)
• Implement business integration (5-10%)

Reference: https://docs.microsoft.com/en-us/learn/certifications/exams/az-220

Career Prospects

The certified professionals have many career opportunities. For the individuals with the Microsoft Certified: Azure IoT Developer Specialty certification, there are various job roles that they can pursue. Some of them include a Software Developer, a Creative Technologist, an IoT Technical Specialist, a Customer Engineer, an Azure Cloud Engineer, a .Net Developer, an Azure Architect, an IoT Security Developer, and an Azure Data Engineer. With the growing demand for these experts, the salary potential is also high. On average, a certified specialist can earn $83,000 per annum. Suffice to mention that some positions can give you even more than that.

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