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Who should take the AZ-220:Microsoft Azure IoT Developer Exam
The AZ-220 Exam certification is an internationally-recognized certification which help to have validation for those IoT developer who implement designs for solutions to including monitoring and data transformation as it relates to IoT. The IoT Developer collaborate with data engineers and other stakeholders to ensure successful business integration.
Candidates for this exam should be familiar implementation of Azure services that form an IoT solution, , including data storage options, data analysis, data processing, and platform-as-a-service options. Candidates should have extensive experience and knowledge of implementation of Edge , provision and manage data.
- Fresher
- Azure IoT Developer
Exam Requirements
This path has no official prerequisites. However, it is aimed at those individuals with the skills in developing edge and Cloud components of Azure IoT solutions. You can go for it if you are an Azure IoT Developer who is responsible for the management of setup, maintenance, and configuration of a device’s lifecycle. You need to be able to implement different designs for an Azure IoT solution, which include connectivity, device topology, security, and debugging. Those who aim for this option should also be able to design solutions to transform, manage, and monitor an IoT-related data pipeline. These professionals work with other data engineers and stakeholders to promote successful business integration.
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How to Prepare For AZ-220:Microsoft Azure IoT Developer Exam
Preparation Guide for AZ-220:Microsoft Azure IoT Developer Exam
Introduction
Microsoft has created a track for Azure professionals who are knowledgeable in Azure IoT landscape to get certified this platform. This certification program provides Microsoft Azure IoT developer professionals a way to demonstrate their skills. The assessment is based on a rigorous exam using industry standard methodology to determine whether a candidate meets Microsoft's proficiency standards.
According to Microsoft, a Microsoft AZ-220 Certified Professional enables organizations to leverage Microsoft Azure IoT developer technologies with a thorough implementation and the coding required to create and maintain the cloud and edge portion of an IoT solution. An IoT Developer is responsible for maintaining the devices throughout the life cycle.
Certification is evidence of your skills, expertise in those areas in which you like to work. There are many vendors in the market that are providing these certifications. If candidate wants to work on Microsoft Azure IoT developer and prove his knowledge, certification offered by Microsoft. This AZ-220 Exam Certification helps a candidate to validates his skills in Microsoft Azure IoT.
In this guide, we will cover the AZ-220:Microsoft Azure IoT Developer Certification exam, AZ-220:Microsoft Azure IoT Developer Certified professional salary and all aspects of the AZ-220:Microsoft Azure IoT Developer Certification.
Microsoft Azure IoT Developer Sample Questions (Q131-Q136):
NEW QUESTION # 131
You need to route events in Azure Digital Twins to a downstream service for additional processing.
Which type of output endpoint can you use?
- A. Microsoft Power Bl
- B. Azure Queue storage
- C. Azure Event Hubs
- D. Azure Table storage
Answer: C
Explanation:
Explanation
Create an endpoint for Azure Digital Twins.
These are the supported types of endpoints that you can create for your instance:
* Event Grid
* Event Hubs
* Service Bus
Note: In Azure Digital Twins, you can route event notifications to downstream services or connected compute resources. This is done by first setting up endpoints that can receive the events. You can then create event routes that specify which events generated by Azure Digital Twins are delivered to which endpoints.
Reference:
https://docs.microsoft.com/en-us/azure/digital-twins/how-to-manage-routes
NEW QUESTION # 132
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You are developing a custom Azure IoT Edge module.
The module needs to identify the device ID of the local device.
Solution: You configure the module to read the ProductInfo property of ModuleClient.
Does this meet the goal?
- A. Yes
- B. No
Answer: B
Explanation:
Explanation
Instead read the device ID of the device twin.
Note: Device twins are JSON documents that store device state information including metadata, configurations, and conditions. Azure IoT Hub maintains a device twin for each device that you connect to IoT Hub.
Device identity properties. The root of the device twin JSON document contains the read-only properties from the corresponding device identity stored in the identity registry.
Reference:
https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-devguide-device-twins
NEW QUESTION # 133
You have 20 devices that connect to an Azure IoT hub.
You open Azure Monitor as shown in the exhibit. (Click the Exhibit tab.)
You discover that telemetry is not being received from five IoT devices.
You need to identify the names of the devices that are not generating telemetry and visualize the dat a. What should you do first?
- A. Configure diagnostics for Connections and send the logs to Azure Log Analytics.
- B. Add the Telemetry messages sent metric and archieve the logs to an Azure Storage account.
- C. Add the Number of throttling errors metric and archive the logs to an Azure storage account.
- D. Configure diagnostics for Routes and stream the logs to Azure Event Hubs.
Answer: A
Explanation:
To log device connection events and errors, turn on diagnostics for IoT Hub. We recommend turning on these logs as early as possible, because if diagnostic logs aren't enabled, when device disconnects occur, you won't have any information to troubleshoot the problem with.
Sign in to the Azure portal.
Browse to your IoT hub.
Select Diagnostics settings.
Select Turn on diagnostics.
Enable Connections logs to be collected.
For easier analysis, turn on Send to Log Analytics
Reference:
https://docs.microsoft.com/bs-cyrl-ba/azure/Iot-hub/iot-hub-troubleshoot-connectivity
NEW QUESTION # 134
You are developing an Azure IoT solution for a shipping company. The company's ships will have sensors used for predictive maintenance. Some sensor devices will be MQTT-capable, and others will use Modbus.
Each ship has an internet connection that is available only when the ship is docked.
You create an Azure IoT hub.
You need to implement an IoT solution that uses Azure IoT Edge.
What should you do?
- A. Add the MQTT devices to the loT hub. configure an loT Edge gateway, and set Enable connection to loT Hub to Disable. From the loT Edge gateway device, assign the MQTT devices as child devices of the gateway. Deploy the loT Edge Modbus module.
- B. Add the MQTT devices to the loT hub and configure an loT Edge gateway. From the loT Edge gateway device, assign the MQTT devices as child devices of the gateway. Use the File upload feature of loT Hub when internet connectivity is available.
- C. Add the MQTT devices to the loT hub and configure an loT Edge gateway. From the loT Edge gateway device, assign the MQTT devices as child devices of the gateway. Deploy an loT Edge Modbus module.
- D. Configure an loT Edge gateway. Deploy an loT Edge Modbus module. From the Azure portal, create loT devices and add connection strings to the devices.
Answer: A
Explanation:
Explanation
https://docs.microsoft.com/en-us/azure/iot-edge/deploy-modbus-gateway
NEW QUESTION # 135
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You have an Azure IoT solution that includes an Azure IoT hub, a Device Provisioning Service instance, and
1,000 connected IoT devices.
All the IoT devices are provisioned automatically by using one enrollment group.
You need to temporarily disable the IoT devices from connecting to the IoT hub.
Solution: You disconnect the Device Provisioning Service from the IoT hub.
Does this meet the goal?
- A. Yes
- B. No
Answer: B
NEW QUESTION # 136
......
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