AZ-220 Microsoft Azure IoT Developer Questions and Answers

You have an Azure IoT hub that uses a Device Provisioning Service instance to automate the deployment of Azure IoT Edge devices.

The IoT Edge devices have a Trusted Platform Module (TPM) 2.0 chip.

From the Azure portal, you plan to add an individual enrollment to the Device Provisioning Service that will use the TPM of the IoT Edge devices as the attestation mechanism.

Which detail should you obtain before you can create the enrollment.

You have an Azure loT solution that includes an Azure loT hub named Hub1.

You plan to provision an loT device named Device! that will run Azure RTOS and the Azure loT middleware for Azure RTOS. Device1 will be deployed to a remote network that contains a firewall named FW1.

You need to ensure that FW1 will allow Device1 to communicate with Hub1.

Which port should you open on FW1?

You have an Azure subscription that contains an Azure IoT hub and 100 IoT devices.

The devices connect to the IoT hub by using the Message Queuing Telemetry Transport (MQTT) protocol and authenticate to the IoT hub by using symmetric keys

You need to configure the username and password for the MQTT connection.

What should you use? To answer, drag the appropriate components to the correct targets. Each component may be used once more than once or not at all. You may need to drag the split bar between panes or scroll to view content.

NOTE: Each correct selection is worth one point.

You have an Azure IoT Central application that includes a Device Provisioning Service instance.

You need to connect IoT devices to the application without first registering the devices.

In which order should you perform the actions? To answer, move all actions from the list of actions to the answer area and arrange them in the correct order.

You have IoT devices that connect to an Azure IoT hub.

From IoT Hub, you create an Event subscription to be notified when devices are registered to IoT Hub. You select webhook endpoint as a handler for the Event subscription.

Which two types of Event Grid messages will be received by the webhook? Each correct answer presents a complete solution.

NOTE: Each correct selection is worth one point.

You have an Azure IoT solution.

You need to test that the solution remains functional if IoT Hub is affected by a regional outage.

What should you do?

You have an Azure IoT Edge solution.

You plan to deploy an Azure Security Center for IoT security agent. You need to configure the security agent to meet the following requirements:

• Connection events must be reported as high priority.
• High priority events must be collected every seven minutes.

How should you configure the azureiotsecurity module twin? To answer, drag the appropriate values to the correct locations. Each value may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.

NOTE: Each correct selection is worth one point.

You have an Azure 10T solution that includes an loT device named Device1.

You need to enable an loT Plug and Play app for Device1.

How should you complete the device connection? To answer select the appropriate options m the answer area.

NOTE: Each correct selection is worth one point.

You have an Azure 10T hub and an I0T device.

You are developing an loT solution that will generate an alert when the IoT device leaves a geofenced area. The device sends telemetry in the following format.

You create an Azure Stream Analytics job that uses telemetry input from the loT hub and a reference input that contains the data shown in the following table.

How should you complete the Stream Analytics query? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

You have 100 devices that connect to an Azure IoT hub named Hub1. The devices connect by using a symmetric key.

You deploy an IoT hub named Hub2.

You need to migrate 10 devices from Hub1 to Hub2. The solution must ensure that the devices retain the existing symmetric key.

What should you do?

You have an Azure IoT solution that includes an Azure IoT hub and 100 Azure IoT Edge devices.

You plan to deploy the IoT Edge devices to external networks. The firewalls of the external networks only allow traffic on port 80 and port 443.

You need to ensure that the devices can connect to the IoT hub. The solution must minimize costs. What should you do?

You have an IoT device that has the following configurations:

Hardware: Raspberry Pi Operating system: Raspbian

You need to deploy Azure IoT Edge to the device.

Which two actions should you perform? Each correct answer presents part of the solution.

NOTE: Each correct selection is worth one point.

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 and an Azure IoT Edge device.

You plan to deploy 10 Bluetooth sensors. The sensors do not support MQTT, AMQP, or HTTPS.

You need to ensure that all the sensors appear in the IoT hub as a single device.

Solution: You configure the sensors to connect directly to the IoT hub.

Does this meet the goal?

You need to use message enrichment to add additional device information to messages sent from the IoT gateway devices when the reported temperature exceeds a critical threshold.

How should you configure the enrich message values? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

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?

How should you complete the GROUP BY clause to meet the Streaming Analytics requirements?

You need to store the real-time alerts generated by Stream Analytics to meet the technical requirements.

Which type of Stream Analytics output should you configure?

You need to configure Stream Analytics to meet the POV requirements.

What are two ways to achieve the goal? Each Answer presents a complete solution.

NOTE: Each correct selection is worth one point.

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?

During the POV phase, you connect a device to IoT Hub and start sending telemetry messages.

You need to verify the content of the messages received by IoT Hub during the POV phase.

What should you use?

You need to recommend the format of telemetry messages to meet the POV requirements.

What should you recommend?

You need to the configure the device parameters to meet the device requirements. Which file should you update on each device?

You need to design a module deployment strategy that meets the device requirements. What should you create?

You need to add Time Series Insights to the solution to meet the pilot requirements.

Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.

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.

You need to meet the monitoring requirements for device metrics. What should you configure?

You need to configure device access to the loT What should you use?

You need to develop a messaging app that meets the technical requirements. Which shared access policy should you use?

You need to configure a gateway for the child devices. The solution must meet the networking requirements. Which gateway pattern should you use?