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Microsoft Azure IoT Developer Exam (AZ-220) - Microsoft Exam Questions
Last updated on June 22, 2026
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204
Total Questions
1
Question
You have an Azure IoT solution that includes an Azure IoT Hub named Hub1 and an Azure IoT Edge device named Edge1. Edge1 connects to Hub1. You need to deploy a temperature module to Edge1. What should you do?
Options
A
Create an IoT Edge deployment manifest that specifies the temperature module and the route to $upstream. From a Bush prompt, run the following command:
az iot hub monitor-events-device-id Edge1 -hub-name Hub1
az iot hub monitor-events-device-id Edge1 -hub-name Hub1
B
From the Azure portal, navigate to Hub1 and select IoT Edge. Select Edge1, select Device Twin, and
then set the deployment manifest as a desired property. From a Bash prompt, run the following command az iot hub monitor-events-device-id Edge1 -hub-name Hub1
then set the deployment manifest as a desired property. From a Bash prompt, run the following command az iot hub monitor-events-device-id Edge1 -hub-name Hub1
C
Create an IoT Edge deployment manifest that specifies the temperature module and the route to $upstream. From a Bush prompt, run the following command:
az iot edge set-modules -device-id Edge1 -hub-name Hub1 -content C:
\deploymentMan1.json
az iot edge set-modules -device-id Edge1 -hub-name Hub1 -content C:
\deploymentMan1.json
D
From the Azure portal, navigate to Hub1 and select IoT Edge. Select Edge1, and then select
Manage Child Devices. From a Bash prompt, run the following command:
az iot edge set-modules -device-id Edge1 -hub-name Hub1 -content C:
\deploymentMan1.json
Manage Child Devices. From a Bash prompt, run the following command:
az iot edge set-modules -device-id Edge1 -hub-name Hub1 -content C:
\deploymentMan1.json
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2
Question
You have an Azure IoT hub that is being taken from prototype to production. You plan to connect IoT devices to the IoT hub. The devices have hardware security modules (HSMs). You need to use the most secure authentication method between the devices and the IoT hub. Company policy prohibits the use of internally generated certificates.
Which authentication method should you use?
Which authentication method should you use?
Options
A
a certificate thumbprint
B
a symmetric key
C
An X.509 certificate signed by a root certification authority (CA).
D
an X.509 self-signed certificate
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3
Question
You have an Azure subscription that contains an Azure Time Series Insights environment. The environment has the properties shown in the following table.
You need to create a D. Which two time series expressions can be correctly used as part of the query? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
You need to create a D. Which two time series expressions can be correctly used as part of the query? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
Options
A
$event.p2 = 'abc'
B
$event['p1'] != NULL
C
$event.p4.p5 = 0.0
D
$event.p1.String = 'abc'
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4
Question
You have an Azure IoT Edge module named SampleModule that runs on a device named Device1. You make changes to the code of SampleModule by using Microsoft Visual Studio Code. You need to push the code to the container registry and then deploy the module to Device1.
Which two actions should you perform from Visual Studio Code? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
Which two actions should you perform from Visual Studio Code? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
Options
A
Create a deployment for a single device.
B
Generate a shared access signature (SAS) token for Device 1.
C
Upload to Azure Storage.
D
Build an loT Edge solution.
E
Build and push the SampleModule code to the registry.
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5
Question
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 a Standard tier Azure IoT hub and a fleet of IoT devices. The devices connect to the IoT hub by using either Message Queuing Telemetry Transport (MQTT) or Advanced Message Queuing Protocol (AMQP). You need to send data to the IoT devices and each device must respond. Each device will require three minutes to process the data and respond. Solution: You schedule an IoT Hub job to update the twin tags and you query for job progress. Does this meet the goal?
Options
A
No
B
yes
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