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Microsoft AZ-220 Exam

Certification Provider: Microsoft
Exam Name: Microsoft Azure IoT Developer
Duration: 120 Minutes
Number of questions in our database: 135
Exam Version: Jan. 17, 2022
AZ-220 Exam Official Topics:
  • Topic 1: Configure Stream Processing/ Implement The Iot Solution Infrastructure Recommend An Appropriate Protocol Based On Device Specifications/ Manage Iot Devices By Using Iot Hub
  • Topic 2: Trigger An Action On A Set Of Devices By Using Iot Hub Jobs And Direct Methods/ Configure Physical Iot Devices
  • Topic 3: Build Messaging Solutions By Using Sdks (Device And Service)/ Provision And Manage Devices
  • Topic 4: Set Up Automatic Device Management Of Iot Devices At Scale/ Modify Device Twin Tags And Properties
  • Topic 5: Configure Device Networking, Topology, And Connectivity/ Build Device Messaging And Communication
  • Topic 6: Manage Allocation Policies By Using Azure Functions/ Implement The Device Provisioning Service (DPS)
  • Topic 7: Build A Solution By Using Iot Central/ Create A Device Provisioning Service/ Create And Configure An Iot Hub
  • Topic 8: Configure Rules And Actions In Azure Iot Central/ Implement Device-To-Cloud Communication
  • Topic 9: Configure Iot Hub Tier And Scaling/ Configure File Upload For Devices
  • Topic 10: Implement Cloud-To-Device Communication/ Decommission (Disenroll) A Device
  • Topic 11: Define A Device Type In Azure Iot Central/ Publish An Iot Edge Module To An Azure Container Registry
  • Topic 12: Provision A Device By Using DPS/ Deprovision An Autoenrollment
  • Topic 13: Set Up And Deploy An Iot Edge Device/ Add And Manage Devices From Iot Central
  • Topic 14: Create A Deployment For Iot Edge Devices/ Install Container Runtime On Iot Devices
  • Topic 15: Select And Deploy An Appropriate Gateway Pattern/ Configure Routing In Azure Iot Hub
  • Topic 16: Configure Routing Of Iot Device Messages To Endpoints/ Manage The Device Lifecycle
  • Topic 17: Monitor, Troubleshoot, And Optimize Iot Solutions/ Create A Device Identity In Iot Hub
  • Topic 18: Define And Implement Deployment Manifest/ Deploy A Single Iot Device To Iot Edge
  • Topic 19: Implement Solutions To Handle Telemetry And Time-Stamped Data/ Create An Azure Time Series Insights (TSI) Environment
  • Topic 20: Validate Device Twin Properties, Tags And Direct Methods/ Implement Module-To-Module Communication
  • Topic 21: Create ASA For Data And Stream Processing Of Iot Data/ Process And Filter Iot Data By Using Azure Functions
  • Topic 22: Implement And Configure Offline Support/ Implement Message Enrichment In Iot Hub Configure Enrollment With Symmetric Keys/ Configure An Iot Solution For Time Series Insights (TSI)
  • Topic 23: Troubleshoot Device Disconnects And Connects/ Implement Azure Security Center (ASC) For Iot
  • Topic 24: Connect The Iot Hub And The Time Series Insights (TSI)/ Query And Visualize Tracing By Using Azure Monitor
  • Topic 25: Verify Device Telemetry Is Received By Iot Hub/ Enable ASC For Iot In Azure Iot Hub
  • Topic 26: Create And Configure An Edge Module/ Deploy A Module To An Edge Device
  • Topic 27: Update Security Daemon And Runtime/ Set Up Diagnostics Logs For Azure Iot Hub/ Create A New Enrollment In DPS
  • Topic 28: Configure Stream Analytics Outputs/ Establish Maintenance Communication/ Troubleshoot Device Communication
  • Topic 29: Define And Test Routing Queries/ Configure Health Monitoring/ Configure An Iot Edge Device

Free Microsoft AZ-220 Exam Actual Questions

The questions for AZ-220 were last updated On Jan. 17, 2022

Question #1

You need to visualize Azure IoT Hub telemetry data by using Microsoft Power BI.

Which service should you connect to the IoT hub?

Reveal Solution Hide Solution
Correct Answer: C

You can use Microsoft Power BI to visualize real-time sensor data that your Azure IoT hub receives. To do so, you configure an Azure Stream Analytics job to consume the data from IoT Hub and route it to a dataset in Power BI.


https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-live-data-visualization-in-power-bi

Question #2

You have an Azure subscription that contains an Azure IoT hub and two Azure IoT Edge devices named Device1 and Device2.

You need to ensure that the IoT hub only accepts connections from Device1 and Device2.

What should you configure?

Reveal Solution Hide Solution
Correct Answer: A

Ingress connectivity to IoT Hub using Azure Private Link.

A private endpoint is a private IP address allocated inside a customer-owned VNet via which an Azure resource is reachable. Through Azure Private Link, you can set up a private endpoint for your IoT hub to allow services inside your VNet to reach IoT Hub without requiring traffic to be sent to IoT Hub's public endpoint. Similarly, your on-premises devices can use Virtual Private Network (VPN) or ExpressRoute peering to gain connectivity to your VNet and your IoT Hub (via its private endpoint). As a result, you can restrict or completely block off connectivity to your IoT hub's public endpoints by using IoT Hub IP filter or the public network access toggle. This approach keeps connectivity to your Hub using the private endpoint for devices.


https://docs.microsoft.com/en-us/azure/iot-hub/virtual-network-support

Question #3

You have an Azure IoT solution that contains an Azure IoT hub and 100 IoT devices. The devices run Windows Server 2016.

You need to deploy the Azure Defender for IoT C#-based security agent to the devices.

What should you do first?

Reveal Solution Hide Solution
Correct Answer: C

The IoT Edge security manager provides a safe framework for security service extensions through host-level modules. The IoT Edge security manager include

Ensure safe operation of client agents for services including Device Update for IoT Hub and Azure Defender for IoT.


https://docs.microsoft.com/en-us/azure/iot-edge/iot-edge-security-manager

Question #4

You deploy an Azure Digital Twins instance.

You are developing client code that will modify digital twin data.

You run the client code and receive the following response for an Azure Digital Twins API.

403 (Forbidden)

You need to configure access control for the Azure Digital Twins instance to ensure that the client code can modify the data.

Which role should you assign?

Reveal Solution Hide Solution
Correct Answer: B

Most often, this error indicates that your Azure role-based access control (Azure RBAC) permissions for the service aren't set up correctly. Many actions for an Azure Digital Twins instance require you to have the Azure Digital Twins Data Owner role on the instance you are trying to manage.


https://docs.microsoft.com/en-us/azure/digital-twins/troubleshoot-error-403

Question #5

You have an Azure IoT solution.

You need to create a digital twin model.

Which language should you use?

Reveal Solution Hide Solution
Correct Answer: B

Azure Digital Twins models are represented in the JSON-LD-based Digital Twin Definition Language (DTDL).


https://docs.microsoft.com/en-us/azure/digital-twins/concepts-models


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