Microsoft Azure IoT Developer - AZ-220 Exam Practice Test
You have an existing Azure IoT hub.
You need to connect physical IoT devices to the IoT hub.
You are connecting the devices through a firewall that allows only port 443 and port 80.
Which three communication protocols can you use? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
You need to connect physical IoT devices to the IoT hub.
You are connecting the devices through a firewall that allows only port 443 and port 80.
Which three communication protocols can you use? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
Correct Answer: A,B,C
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You need to develop a messaging app that meets the technical requirements. Which shared access policy should you use?
Correct Answer: B
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You have an Azure IoT solution.
You need to create a digital twin model.
Which language should you use?
You need to create a digital twin model.
Which language should you use?
Correct Answer: C
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You are prototyping an loT edge solution.
You are creating a deployment manifest for an loT edge device that will connect to an Azure loT hub. Which two modules should you include in the manifest? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.
HA.
You are creating a deployment manifest for an loT edge device that will connect to an Azure loT hub. Which two modules should you include in the manifest? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.
HA.
Correct Answer: A,E
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You need to recommend a solution to keep device properties synced to IoT Hub. The solution must minimize data loss caused by the connectivity issues.
What should you include in the recommendation?
What should you include in the recommendation?
Correct Answer: C
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During the POV phase, telemetry from IoT Hub stops flowing to the hot path. The cold path continues to work.
What should you do to restore the hot path?
What should you do to restore the hot path?
Correct Answer: A
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You have an Azure subscription that contains the resources shown in the following table.
You create a group enrollment in DPS1 and enroll 100 loT devices. Each device is issued a leaf certificate from CAT. You need to deprovision a single loT device from the group enrollment. The solution must not affect the other devices.
Solution: You create a disabled individual enrollment by using the X.509 certificate of the device.
Does this meet the goal?
You create a group enrollment in DPS1 and enroll 100 loT devices. Each device is issued a leaf certificate from CAT. You need to deprovision a single loT device from the group enrollment. The solution must not affect the other devices.
Solution: You create a disabled individual enrollment by using the X.509 certificate of the device.
Does this meet the goal?
Correct Answer: A
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You have 10 IoT devices that connect to an Azure IoT hub named Hub1.
From Azure Cloud Shell, you run az iot hub monitor-events --hub-name Hub1 and receive the following error message: "az iot hub: 'monitor-events' is not in the 'az iot hub' command group. See 'az iot hub
--help'."
You need to ensure that you can run the command successfully. What should you run first?
From Azure Cloud Shell, you run az iot hub monitor-events --hub-name Hub1 and receive the following error message: "az iot hub: 'monitor-events' is not in the 'az iot hub' command group. See 'az iot hub
--help'."
You need to ensure that you can run the command successfully. What should you run first?
Correct Answer: A
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You have an Azure subscription
You need to deploy an Azure loT hub by using an Azure Resource Manager (ARM) template. The solution must ensure that the loT hub rejects connections from devices that only support cipher suites that use SHA1.
What should you include in the template?
You need to deploy an Azure loT hub by using an Azure Resource Manager (ARM) template. The solution must ensure that the loT hub rejects connections from devices that only support cipher suites that use SHA1.
What should you include in the template?
Correct Answer: B
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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 update the twin desired property and check the corresponding reported property.
Does this meet the goal?
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 update the twin desired property and check the corresponding reported property.
Does this meet the goal?
Correct Answer: B
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From the Device Provisioning Service, you create an enrollment as shown in the exhibit. (Click the Exhibit tab.)
You need to deploy a new IoT device.
What should you use as the device identity during attestation?
You need to deploy a new IoT device.
What should you use as the device identity during attestation?
Correct Answer: A
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You have an Azure IoT solution that includes an Azure IoT hub, 100 Azure IoT Edge devices, and 500 leaf devices.
You need to perform a key rotation across the devices.
Which three types of entities should you update? Each Answer presents part of the solution.
NOTE: Each correct selection is worth one point.
You need to perform a key rotation across the devices.
Which three types of entities should you update? Each Answer presents part of the solution.
NOTE: Each correct selection is worth one point.
Correct Answer: D,E,F
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You need to configure loT module routing to meet the device requirements.
How should you complete the route? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
How should you complete the route? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Correct Answer:
You have an Azure IoT hub.
You plan to deploy 1,000 IoT devices by using automatic device management.
The device twin is shown below.
You need to configure automatic device management for the deployment.
Which target Condition and Device Twin Path should you use? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
You plan to deploy 1,000 IoT devices by using automatic device management.
The device twin is shown below.
You need to configure automatic device management for the deployment.
Which target Condition and Device Twin Path should you use? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Correct Answer:
Reference:
https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-automatic-device-management
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 subscription that contains the resources shown in the following table.
You create a group enrollment in DPS1 and enroll 100 loT devices. Each device is issued a leaf certificate from CAT. You need to deprovision a single loT device from the group enrollment. The solution must not affect the other devices.
Solution: You create a disabled symmetric key individual enrollment by using the device ID of the device.
Does this meet the goal?
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 subscription that contains the resources shown in the following table.
You create a group enrollment in DPS1 and enroll 100 loT devices. Each device is issued a leaf certificate from CAT. You need to deprovision a single loT device from the group enrollment. The solution must not affect the other devices.
Solution: You create a disabled symmetric key individual enrollment by using the device ID of the device.
Does this meet the goal?
Correct Answer: A
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