Description

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.