[Retired Exam] Microsoft Practice Test AZ-220: Microsoft IoT Developer

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The AZ-220 practice test trains you in implementing the design specifications for Azure IoT solutions. 

Why should I take the AZ-220 exam?

The AZ-220 certification offers you the chance to validate your subject matter expertise as an Azure IoT developer who implements the configuration and coding tasks to create and maintain the cloud and edge portions of IoT solutions. The AZ-220 exam is one of Microsoft’s role-based Specialty exams, which tests your ability to set up the Azure IoT Hub solution infrastructure, implement IoT Edge, monitor, troubleshoot, and optimize IoT solutions, and more. Passing the AZ-220 exam will earn you the Azure IoT Developer Specialty certification. 

The AZ-220 practice test includes two different modes: certification and practice mode. Certification mode allows you to assess your knowledge and discover your weak areas, with practice mode allowing you to focus on the areas that need development. 

These questions may contain out-of-date information and are no longer used to prepare for official certifications. However, they can still be used to develop knowledge in a range of areas.

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Questions: 168
Release Date: 07/2020 (Last Update: 04/2022)
Job Role: Developer
Language: English

The AZ-220 practice test contains 168 questions and covers the following objectives: 

Set Up the IoT Solution Infrastructure – 18 questions 

Create and configure an IoT Hub  

  • create an IoT Hub  
  • register a device  
  • configure a device twin 
  • configure IoT Hub tier and scaling  

 

Build device messaging and communication

  • build messaging solutions by using SDKs (device and service)
  • implement device-to-cloud communication
  • implement cloud-to-device communication  
  • configure file upload for devices
  • optimize message size and scaling
  • connect to IoT Hub using TLS server certificates      

  

Configure physical IoT devices  

  • recommend an appropriate protocol based on device specifications  
  • configure device networking, topology, and connectivity  

 

Provision and manage devices – 49 questions    

Set up an IoT Hub Device Provisioning Service (DPS)  

  • create a DPS instance  
  • create a new enrollment in DPS  
  • link an IoT Hub to the DPS instance Manage the device lifecycle
  • provision a device by using DPS  
  • deprovision an autoenrollment decommission (disenroll) a device  

 

Manage IoT devices by using IoT Hub  

  • manage the devices list in the IoT Hub device registry  
  • modify device twin tags and properties
  • configure a set of devices by using IoT Hub Automatic Device Management  
  • trigger an action on a set of devices by using IoT Hub Jobs and Direct Methods
  • implement a device firmware update process by using device management primitives  
  • configure module identities  

 

Manage IoT devices by using Azure IoT Central  

  • create a custom device template by using Azure IoT Central  
  • configure rules and actions in IoT Central  
  • customize the operator view  
  • add and manage devices from IoT Central  
  • troubleshoot device connections and data mapping
  • create an application based on an app template for an industry vertical  
  • export a custom application template  
  • create and manage a new application based on a custom application template
  • upgrade and version a device template  
  • run IoT Central jobs  
  • interact with IoT Central devices using the REST APIs  

 

Implement IoT Edge – 30 questions 

Set up an IoT Edge device  

  • create a device identity in IoT Hub  
  • set up an IoT device for IoT Edge 
  • select and install container runtime on IoT devices
  • implement module access to the host system  
  • update IoT Edge runtime  
  • provision IoT Edge devices by using DPS  

 

Deploy an IoT Edge device  

  • Plan and implement Conditional Access policies for connections to Azure Virtual Desktop
  • Plan and implement multifactor authentication in Azure Virtual Desktop
  • Manage security by using Azure Security Center
  • Configure Microsoft Defender Antivirus for session hosts

 

Develop IoT Edge modules  

  • create and customize an IoT Edge module  
  • deploy a custom IoT Edge module to an IoT Edge device  
  • deploy an IoT Edge module from Azure Marketplace to an IoT Edge device
  • publish an IoT Edge module to Azure Container Registry  
  • define module configuration  
  • configure IoT Edge module routing  
  • configure environment for IoT Edge development; debug IoT Edge modules in the development environment  

 

Configure an IoT Edge device  

  • select an appropriate gateway pattern  
  • deploy an IoT gateway by using IoT Hub and IoT Edge  
  • configure IoT Edge certificates    
  • implement and configure offline support (including local storage)  
  • create a layered hierarchy of IoT Edge devices  

 

Implement Business Integration – 9 questions  

Integrate with upstream and downstream systems  

  • set up input and output connections
  • set up IoT Hub routing for triggering workflows  
  • test data interface integration  
  • integrate third-party solutions  
  • configure workflows, including rules and alerts  

 

Develop Azure Digital Twins solutions  

  • create Azure Digital Twins models and digital twins  
  • map IoT device data to Azure Digital Twins models and relationships  
  • ingest IoT device messages and translate messages to Azure Digital Twins  
  • configure routes and endpoints to trigger business logic and data processing
  • query the Azure Digital Twins graph  
  • update properties on Azure Digital Twins entities in the graph  
  • monitor and troubleshoot Azure Digital Twins  

 

Process and Manage Data – 25 questions  

Configure message routing in Azure IoT Hub  

  • implement message enrichment in IoT Hub  
  • implement routing of IoT device messages to endpoints  
  • define and test routing queries  
  • configure IoT Hub as an Azure Event Grid source  
  • reconfigure the default Azure Event Hubs endpoint when there are multiple endpoints  

 

Configure stream processing of IoT data  

  • create Azure Stream Analytics for data and stream processing of IoT data  
  • process and filter IoT data by using Azure Functions  
  • write user-defined functions and aggregations in Stream Analytics  
  • consume Azure Machine Learning functions in Stream Analytics  
  • configure Stream Analytics outputs  

 

Create Azure Stream Analytics queries  

  • write a Stream Analytics query that runs in IoT Edge  
  • write a Stream Analytics query that runs in the cloud  

 

Process real-time data by using Azure Time Series Insights  

  • create a Time Series Insights environment  
  • connect IoT Hub and the Time Series Insights environment  
  • create a reference data set for a Time Series Insights environment by using the Azure portal  
  • implement Time Series Model hierarchies, types, and instance fields  
  • consume data by using Time Series Expression syntax  

 

Monitor, Troubleshoot, and Optimize IoT Solutions – 20 questions 

Configure health monitoring  

  • configure metrics in IoT Hub  
  • set up diagnostics logs for IoT Hub  
  • configure IoT Hub scaling (SKU/unit) programmatically  
  • query and visualize tracing by using Azure Monitor  
  • apply Azure Policy definitions for IoT Hub  
  • gather IoT Edge metrics  
  • retrieve diagnostics from IoT Edge  

 

Troubleshoot device communication 

  • establish maintenance communication by using RDP or SSH  
  • establish maintenance communication by using Azure Device Streams  
  • verify device telemetry is received by IoT Hub  
  • validate device twin properties, tags, and direct methods  
  • troubleshoot device disconnects and connects  
  • troubleshoot IoT Edge devices  

 

Ensure performance and availability  

  • identify and resolve bottlenecks  
  • calculate capacity requirements for each service  
  • troubleshoot message loss  
  • test manual failover  

 

Implement Security – 17 questions 

Implement security for IoT devices and services  

  • implement device and gateway security  
  • ensure secure connections Implement Azure Defender for IoT  
  • configure an Azure Defender for an IoT agent-based solution  
  • implement Defender-IoT-micro-agents (security agents)  
  • configure built-in and custom alerts for IoT Hub 

 

Notes: 

  • The bullets that follow each of the skills measured are intended to illustrate how we are assessing that skill. Related topics may be covered in the exam. 
  • Most questions cover features that are general availability (GA). The exam may contain questions on Preview features if those features are commonly used.

 

 

System Requirements

A practice test simulates the actual exam and aims to prepare you better for what to expect in the real thing. A MeasureUp practice test includes approximately 150 questions covering the exam objective domains. In a MeasureUp practice test, there are two specific test-taking modes to prepare students for their certification: Certification Mode and Practice Mode. 

  • The Practice Mode permits you to highly customize your testing environment. You can select how many questions they want to include in their assessment, the maximum time to finish the test, the option to randomize the question order, and select how and which questions will be shown in the test.
  • The Certification Mode simulates the actual testing environment users will encounter when taking a certification exam. They are timed and do not permit users to request the answers and explanations to questions until after the test. 

 

How does it work?

Take a look at our video to see exactly how MeasureUp’s practice tests work.

 

 

Why should you trust MeasureUp over free Learning material?

MeasureUp Free learning material
  • A greater number of questions, so more opportunities to learn.
  • A small proportion of questions to introduce the exam.
  • Detailed explanations with online references of correct and incorrect answers.
  • Brief or no explanations of both correct and incorrect answer options.
  • A total of fourteen different question types.
  • Limited types of questions out of all the ones you'll find on the exam.
  • Customize the test based on your needs. Certification & Practice Mode.
  • Just one type of assessment, without customization options and without a time countdown.

 

Will studying with a MeasureUp practice test improve my chances of passing at the first attempt?

Yes. MeasureUp's practice tests have been specifically designed to help you both save time and pass at the first attempt. The test is fully customizable, allowing you to discover and focus on your weak areas. This makes the learning process quicker and smoother. Also, as the style, objectives, question type, and difficulty are the same as those found on the official exam, you can be confident that when you pass the practice test twice in Certification Mode, you are exam ready. 

 

What can I expect to earn if I pass the AZ-220 exam?

On passing the AZ-220 exam and obtaining a job as a senior level Azure Developer, you can expect to earn a salary in the United States of approximately $175,000.  

Source: Nigel Franks International. 

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AZ-220 PRACTICE TEST 

Why should you use our AZ-220 practice test? 

The MeasureUp AZ-220 practice test is the most realistic simulation of the actual certification exam on the market, giving you the ideal opportunity to pass the official AZ-220 exam on the first go. With our Test Pass Guarantee, you can be sure of success as we offer all of your money back if you do not pass. The AZ-220 practice test has been created by leading experts in Azure.  

 

Why should you trust AZ-220 Practice Test from MeasureUp over free learning material? 

The MeasureUp AZ-220 practice test has many benefits over free learning material, including: 

  • A higher number of questions, so more opportunities to learn. 
  • Detailed explanations with online references of correct and incorrect answers. 
  • A total of fourteen different question types, replicating the look and feel of the real exam. 
  • Customizable based on your needs. Certification & Practice Modes. 
  • Test Pass Guarantee. 
  • Written, reviewed, and edited by experts. 

 

How to use the AZ-220 Practice Test? 

You can use the AZ-220 practice test in two different ways: certification and practice mode. The first allows you to assess your knowledge and discover your weak areas, and the second allows you to focus on these areas, ensuring you spend your time intelligently. We recommend you to first take the AZ-220 practice test in certification mode. By reviewing the generated report on completing the test, you will get a helpful overview of which areas require further attention. You should next take the test in practice mode in order to develop those areas. Once you are confident you have enhanced your knowledge in these areas, you can take the test again in certification mode and, on passing twice consecutively with a score of 90%, you know you are exam ready! 

 

Will the questions be the same as the actual exam? 

Although the questions will emulate those of the official exam in terms of style, content, level of difficulty, for reasons of copyright they will not be exactly the same. This will allow you to fully understand the content you are studying so that, no matter how the questions are focused, you can be confident you are covering the same material and that you will have no problem in passing the exam. 

 

AZ-220 CERTIFICATION EXAM 

What is the Azure AZ-220?  

The AZ-220 Azure IoT Developer Specialty certification exam is designed to develop and test your skills in deploying Azure IoT Edge devices and modules, managing IoT devices by using IoT Hub and apps, enhancing IoT solution security by using Microsoft Defender for IoT, and more.  

 

How to prepare for the AZ-220 certification exam? 

  • Review the AZ-220 exam domains carefully. 
  • Create your study plan for your preparation. 
  • Enrollfor the MeasureUp practice tests. Our practice tests emulate the actual exam in terms of style, format, skill sets, question structure, and level of difficulty, and can be taken in two different formats: practice mode and certification mode.
  • Practice, practice, practice! After looking at all the questions provided with the test, checking the correct answers, reviewing the explanations regarding all the different answer options, and consulting the carefully chosen references, it is now time to use the test’s Certification Mode. This is the next best thing to the real exam. And when you pass the Certification Mode twice consecutively with a score of 90% or more, you know you are… Exam ready!

 

How many questions does the official AZ-220 exam have?  

The AZ-220 exam contains approximately 60 questions. 

 

How hard is the AZ-220 exam? 

This depends on how much knowledge and experience you have of working with Azure IoT solutions, as well as how much time you are able to dedicate to studying. However, the AZ-220 is considered to be moderate in difficulty. 

 

Is the AZ-220 worth it?  

The AZ-220 certification enables you to strengthen and validate your skills in terms of implementing IoT solutions in Azure. Knowing how to implement IoT solutions is extremely important as IoT solutions enable companies to increase their efficiency, improve security, optimize business processes, reduce costs, and a whole lot more.