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Topics of AZ-220:Microsoft Azure IoT Developer Exam

Candidates should apprehend the examination topics before they begin of preparation. because it'll extremely facilitate them in touch the core. Our AZ-220 exam dumps will include the following topics:

1. Implement the IoT solution infrastructure (15-20%)

Create and configure an IoT Hub

• Configure IoT Hub tier and scaling
• Create an IoT Hub
• Register a device
• Configure a device twin

Build device messaging and communication

• Configure file upload for devices
• Implement cloud-to-device communication
• Build messaging solutions by using SDKs (device and service)
• Implement device-to-cloud communication

Configure physical IoT devices

• Recommend an appropriate protocol based on device specifications
• Configure device networking, topology, and connectivity

2. Provision and manage devices (20-25%)

Implement the Device Provisioning Service (DPS)

• Create a Device Provisioning Service
• Create a new enrollment in DPS
• Manage allocation policies by using Azure Functions
• Link an IoT Hub to the DPS

Manage the device lifecycle

• Deprovision an autoenrollment
• Decommission (disenroll) a device
• Provision a device by using DPS

Manage IoT devices by using IoT Hub

• Set up Automatic Device Management of IoT devices at scale
• Modify device twin tags and properties
• Manage devices list in the IoT Hub device registry
• Trigger an action on a set of devices by using IoT Hub Jobs and Direct Methods

Build a solution by using IoT Central

• Define the operator view
• Define a device type in Azure IoT Central
• Configure rules and actions in Azure IoT Central
• Monitor devices
• Add and manage devices from IoT Central

3. Implement Edge (15-20%)

Set up and deploy an IoT Edge device

• Create a deployment for IoT Edge devices
• Update security daemon and runtime
• Define and implement deployment manifest
• Create a device identity in IoT Hub
• Deploy a single IoT device to IoT Edge
• Install container runtime on IoT devices

Develop modules

• Deploy a module to an Edge device
• Publish an IoT Edge module to an Azure Container Registry
• Create and configure an Edge module

Configure an IoT Edge device

• Select and deploy an appropriate gateway pattern
• Implement module-to-module communication
• Implement and configure offline support

4.Process and manage data (15-20%)

Configure routing in Azure IoT Hub

• Define and test routing queries
• Configure routing of IoT Device messages to endpoints
• Integrate with Event Grid
• Implement message enrichment in IoT Hub

Configure stream processing

• Configure Stream Analytics outputs
• Create ASA for data and stream processing of IoT data
• Process and filter IoT data by using Azure Functions

Configure an IoT solution for Time Series Insights (TSI)

• Implement solutions to handle telemetry and time-stamped data
• Connect the IoT Hub and the Time Series Insights (TSI)
• Create an Azure Time Series Insights (TSI) environment

5. Monitor, troubleshoot, and optimize IoT solutions (15-20%)

Configure health monitoring

• Configure metrics in IoT Hub
• Query and visualize tracing by using Azure monitor
• Set up diagnostics logs for Azure IoT Hub

Troubleshoot device communication

• Verify device telemetry is received by IoT Hub
• Establish maintenance communication
• Validate device twin properties, tags and direct methods
• Troubleshoot device disconnects and connects

Perform end-to-end solution testing and diagnostics

• Estimate the capacity required for each service in the solution
• Conduct performance and stress testing
• Set up device D2C message tracing by using Azure Distributed Tracing

6. Implement security (15-20%)

Implement device authentication in the IoT Hub

• Manage the symmetric keys for a device
• Manage the X.509 certificates for a device
• Choose an appropriate form of authentication

Implement device security by using DPS

• Configure enrollment with x.509 certificates
• Generate a TPM endorsements key for a device
• Configure different attestation mechanisms with DPS
• Generate and manage x.509 certificates for IoT Devices
• Configure enrollment with symmetric keys

Implement Azure Security Center (ASC) for IoT

• Configure custom alerts
• Create security modules
• Enable ASC for IoT in Azure IoT Hub

Exam Information

The Microsoft AZ-220 exam is available in English, Simplified Chinese, Korean, and Japanese. The candidates can schedule the test through the Pearson VUE platform. The fee for taking this exam is $165 for the individuals in the United States. The applicants from other countries should check the official website to find details of the fee that applies to their region.

The certification exam covers various question formats, which include multiple choice, build list, active screen, case studies, as well as drag and drop. The number of questions administered during the delivery of the test varies from one exam to another. However, you can expect 40-60 questions to be completed in 180 minutes. The passing score is 700 points and the learners who do not pass it at the first attempt must pay a new fee to retake it. The retake policy can be found on the official website.

The Microsoft AZ-220 certification exam measures the individuals’ experience in implementing Azure services. These services make up an Internet of Things (IoT) solution. This includes data storage options, data analysis, PaaS (platform-as-a-service options), and data process. These professionals have the relevant skills in identifying service configuration settings of Azure Internet of Things in the code segment of IoT solutions. The potential candidates should also be able to carry out the identified IoT coding functions in a minimum of one programming language that is supported by Azure, including C, Python, Node, or C#. Those who pass this test are eligible for the Microsoft Certified: Azure IoT Developer Specialty certificate.

Asked Prerequisites

The Microsoft AZ-220 candidate should ensure that a considerable amount of work experience in implementing the Azure services must have been gained beforehand. Data storage options, ways to perform data processing, and data analysis concepts must be also clear for those targeting this test. Besides, it is important that the exam aspirant is capable to recognize the Azure IoT service configuration setting along with languages like C#, Node, C, and Python.

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

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