Online AZ-220 Dumps Help You Understand Questions Well

1. You have an Azure IoT hub.

You need to check whether the IoT hub was affected by an outage.

What should you select in the Azure portal? To answer, select the appropriate option in the answer area. NOTE: Each correct selection is worth one point.

2. DRAG DROP

You have an Azure IoT Central application.

You need to connect IoT devices that use SAS tokens 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.

3. HOTSPOT

You have an Azure IoT solution that contains the Azure IoT Edge devices shown in the following table.





You have the standard deployments and target conditions shown in the following table.





You have the modules shown in the following table.





For each of the following statements, select Yes if the statement is true. Otherwise select No. NOTE: Each correct selection is worth one point.

4. DRAG DROP

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.

5. 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?

6. You have an Azure 10T solution.

You plan to register an Azure loT Edge device by using X.509 self-signed certificates.

You need to provide the thumbprint for the primary and secondary certificates.

Solution: You generate a 64-hex character SHA256 hash for the certificates.

Does this meet the goal?

7. You need to design a module deployment strategy that meets the device requirements.

What should you create?

8. 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 question, 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 the connecting to the IoT hub.

Solution: From the Device Provisioning Service, you disable the enrollment group, and you disable device entries in the identity registry of the IoT hub to which the IoT devices are provisioned.

Does the solution meet the goal?

9. You are building an Azure loT solution that will include an Azure loT hub and will process environmental data for a multi-story building by using Azure Stream Analytics.

The loT devices for the solution will provide the following data:

• Temperature

• Building

• Room

• Floor

You need to identify which data formats the loT devices can use to send the data as an array.

What should you identify?

10. HOTSPOT

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.

11. 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 Stream Analytics job that receives input from an Azure IoT hub and sends the outputs to Azure Blob storage. The job has compatibility level 1.1 and six streaming units.

You have the following query for the job.





You plan to increase the streaming unit count to 12.

You need to optimize the job to take advantage of the additional streaming units and increase the throughput.

Solution: You change the query to the following.





Does this meet the goal?

12. You have an Azure subscription that contains the resources shown in the following table.





You need to use a REST API calls to configure Hub1 to route all messages to container1.

What should you do first?

13. HOTSPOT

You have an Azure IoT solution that includes an Azure IoT hub and 50 IoT devices.

The device twins have the following structure.





You need to configure message enrichments to add the following values to messages:

• The device deployment location

• The device firmware version

How should you configure the message enrichments? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

14. 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.

15. DRAG DROP

You have an Azure IoT solution that includes an Azure IoT hub, a Device Provisioning Service instance, and 1,000 connected IoT devices. The IoT devices are allocated to tour enrollment groups. Each enrollment group is configured to use certificate attestation.

You need to decommission all the devices in a single enrollment group and the enrollment group itself.

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.

16. You have an IoT device that gathers data in a CSV file named Sensors.csv.

You deploy an Azure IoT hub that is accessible at ContosoHub.azure-devices.net. You need to ensure that Sensors.csv is uploaded to the IoT hub.

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

17. HOTSPOT

You have an Azure subscription that contains an Azure IoT hub, an Azure IoT Edge gateway, and 1,000 leaf devices. The leaf devices use a custom communication protocol that is NOT supported by the IoT hub.

You need to configure the gateway to meet the following requirements:

✑ Minimize the number of connections between the gateway and the IoT hub.

✑ Support addressing cloud-to-device messages to individual leaf devices.

How should you configure the gateway? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

18. You have a digital twin model named Modell and a digital twin named Twin!. Twinl uses Modell.

You need to prevent new digital twins from using Modell. The solution must ensure that you can edit the properties of Twinl.

What should you do?

19. 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?

20. You have an Azure IoT solution that includes an Azure IoT hub named hub1.

You plan to deploy an Azure Time Series Insights Gen 2 environment and connect the environment to hub1.

You need to use the device ID from hub1 as the Time Series ID.

What should you set as the Time Series ID when creating the environment?

21. You have the devices shown in the following table.





You are implementing a proof of concept (POC) for an Azure IoT solution.

You need to deploy an Azure IoT Edge device as part of the POC.

On which two devices can you deploy IOT Edge? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.

22. DRAG DROP

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.

23. HOTSPOT

You have an Azure IoT hub named Hub1 and an Azure Time Series Insights environment named tsi1. Tsi1 connects to Hub1. The solution has been operational for 6 months.

Tsi1 is configured as shown in the following exhibit.





Hub1 receives 1 million messages per day. Each message is up to 1 KB and is formatted as JSON.

Hub1 has seven days of retained telemetry.

For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point.

24. HOTSPOT

You create a new IoT device named device1 on iothub1. Device1 has a primary key of Uihuih76hbHb.

How should you complete the device connection string? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

25. You have three Azure IoT hubs named Hub1, Hub2, and Hub3, a Device Provisioning Service instance, and an IoT device named Device1.

Each IoT hub is deployed to a separate Azure region. Device enrollment uses the Lowest latency allocation policy.

The Device Provisioning Service uses the Lowest latency allocation policy. Device1 is auto-

provisioned to Hub1 by using the Device Provisioning Service. Device1 regularly moves between regions.

You need to ensure that Device1 always connects to the IoT hub that has the lowest latency.

What should you do?

26. 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?

27. 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?

28. DRAG DROP

You need to install the Azure IoT Edge runtime on a new device that runs Windows 10 IoT Enterprise.

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

29. You have an Azure IoT hub that uses a Device Provisioning Service instance.

You have 1,000 legacy IoT devices that only support MAC address or serial number identities. The device do NOT have a security feature that can be used to securely identify the device or a hardware security module (HSM).

You plan to deploy the devices to a secure environment.

You need to configure the Device Provisioning Service instance to ensure that all the devices are identified securely before they receive updates.

Which attestation mechanism should you choose?

30. You have an existing Azure IoT hub.

You use IoT Hub jobs to schedule long running tasks on connected devices.

Which three operations do the IoT Hub jobs support directly? Each correct answer presents a complete solution. NOTE: Each correct selection is worth one point.

31. DRAG DROP

You are troubleshooting device connections to and disconnections from an Azure IoT hub.

You configure diagnostic logging for the IoT hub to send to Log Analytics.

You need to generate a report that displays the device connection and disconnection events.

How should you complete the query? To answer, drag the appropriate values to the correct targets. 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.

32. You use Azure Security Center in an Azure IoT solution.

You need to exclude some security events. The solution must minimize development effort.

What should you do?

33. 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 use cloud-to-device messages and watch the cloud-to-device feedback endpoint for successful acknowledgement.

Does this meet the goal?

34. DRAG DROP

Your company is creating a new camera security system that will use Azure IoT Hub.

You plan to use an Azure IoT Edge device that will run Ubuntu Server 18.04.

You need to configure the IoT Edge device.

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.

35. HOTSPOT

You need to configure Azure IoT Edge module routing to ensure that modules route traffic as shown in the following exhibit.





How should you complete the IoT Edge module routes? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

36. You are developing an Azure IoT Central application.

You add a new custom device template to the application.

You need to add a fixed location value to the device template. The value must be updated by the physical IoT device, read-only to device operators, and not graphed by IoT Central.

What should you add to the device template?

37. You have an Azure loT hub named hub1 and five IoT devices. The loT devices connect to hub1 and send data that is formatted by using a proprietary binary format. You need to convert the data to JSON before the data is sent to a downstream service. The solution must minimize administrative effort.

What should you use?

38. DRAG DROP

You have an Azure IoT hub.

You need to deploy a Device Provisioning Service instance that uses X.509 attestation to support new loT devices.

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

39. You have an Azure IoT Central application.

You need to connect an IoT device to the application.

Which two settings do you require in IoT Central to configure the device? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

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

What should you recommend?

41. 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 data.

What should you do first?

42. 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 20 IoT devices deployed across two floors of a building. The devices on the first floor must be set to 60 degrees. The devices on the second floor must be set to 80 degrees.

The device twins are configured to use a tag that identifies the floor on which the twins are located.

You create the following automatic configuration for the devices on the first floor.





You create the following automatic configuration for the devices on the second floor.





The IoT devices on the first floor report that the temperature is set to 80 degrees.

You need to ensure that the first-floor devices are set to the correct temperature.

Solution: In the automatic configuration for the second-floor devices, you set Version to 2.

Does this meet the goal?

43. HOTSPOT

You have an Azure IoT Edge automatic deployment named D1 that deploys a temperature module to five IoT Edge devices.

D1 has a deployment priority of 10 and the following module configuration.





You need to create a new layered deployment that will add a new twin property named ReportingMode. The new deployment must not overwrite the existing module configurations set by D1.

How should you configure the deployment? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

44. DRAG DROP

You need to configure a digital twin to accept device telemetry data from the loT hub

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

45. You have an Azure IoT hub that receives messages from an IoT device. The messages are serialized as Protobuf.

You need the IoT hub to route the messages.

What should you do first?

46. You have an Azure loT hub and an Azure virtual network.

You configure a private endpoint for the IoT hub.

You need to ensure that the loT hub can send data to downstream services

What should you create first?

47. You enable Azure Security Center for IoT.

You need to onboard a device to Azure Security Center.

What should you do?

48. You have an Azure IoT hub.

You need to recommend a solution to scale the IoT hub automatically.

What should you include in the recommendation?

49. 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?

50. HOTSPOT

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.

51. 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?

52. DRAG DROP

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 Advanced Message Queuing Protocol (AMQP) protocol and authenticate to the IoT hub by using symmetric keys.

You need to configure the SASL PLAIN username for the AMQP connection.

How should you configure the username? To answer, drag the appropriate options to the correct targets. Each option 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.

53. 1. Topic 1, Contoso



Case Study

This is a case study. Case studies are not timed separately. You can use as much exam time as you would like to complete each case . However, there may be additional case studies and sections on this exam. You must manage your time to ensure that you are able to complete all questions included on this exam in the time provided.



To answer the questions included in a case study, you will need to reference information that is provided in the case study. Case studies might contain exhibits and other resources that provide more information about the scenario that is described in the case study. Each question is independent of the other question on this case study.



At the end of this case study, a review screen will appear. This screen allows you to review your answers and to make changes before you move to the next sections of the exam. After you begin a new section, you cannot return to this section.



To start the case study

To display the first question on this case study, click the Next button. Use the buttons in the left pane to explore the content of the case study before you answer the questions. Clicking these buttons displays information such as business requirements, existing environment, and problem statements. If the case study has an All Information tab, note that the information displayed is identical to the information displayed on the subsequent tabs. When you are ready to answer a question, click the Question button to return to the question.





Existing Environment. Current State of Development

Contoso produces a set of Bluetooth sensors that read the temperature and humidity. The sensors connect to IoT gateway devices that relay the data.



All the IoT gateway devices connect to an Azure IoT hub named iothub1.



Existing Environment. Device Twin

You plan to implement device twins by using the following JSON sample.







Existing Environment. Azure Stream Analytics

Each room will have between three to five sensors that will generate readings that are sent to a single IoT gateway device. The IoT gateway device will forward all the readings to iothub1 at intervals of between 10 and 60 seconds.



You plan to use a gateway pattern so that each IoT gateway device will have its own IoT Hub device identity.



You draft the following query, which is missing the GROUP BY clause.



SELECT

AVG(temperature),

System.TimeStamp() AS AsaTime

FROM

Iothub



You plan to use a 30-second period to calculate the average temperature reading of the sensors.



You plan to minimize latency between the condition reported by the sensors and the corresponding alert issued by the Stream Analytics job.



Existing Environment. Device Messages

The IoT gateway devices will send messages that contain the following JSON data whenever the temperature exceeds a specified threshold.







The level property will be used to route the messages to an Azure Service Bus queue endpoint named criticalep.



Existing Environment. Issues

You discover connectivity issues between the IoT gateway devices and iothub1, which cause IoT devices to lose connectivity and messages.



Requirements. Planning Changes

Contoso plans to make the following changes:

- Use Stream Analytics to process and view data.

- Use Azure Time Series Insights to visualize data.

- Implement a system to sync device statuses and required settings.

- Add extra information to messages by using message enrichment.

- Create a notification system to send an alert if a condition exceeds a specified threshold.

- Implement a system to identify what causes the intermittent connection issues and lost messages.



Requirements. Technical Requirements

Contoso must meet the following requirements:

- Use the built-in functions of IoT Hub whenever possible.

- Minimize hardware and software costs whenever possible.

- Minimize administrative effort to provision devices at scale.

- Implement a system to trace message flow to and from iothub1.

- Minimize the amount of custom coding required to implement the planned changes.

- Prevent read operations from being negatively affected when you implement additional services.



HOTSPOT

You are writing code to provision IoT devices by using the Device Provisioning Service.

Which two details from the Overview blade of the Device Provisioning Service are required to provision a new IoT client device? To answer, select the appropriate detail in the answer area. NOTE: Each correct selection is worth one point.

54. HOTSPOT

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

You are creating an loT Plug and Play model for Device1.

On Device1, you create a device model file in a folder named dtmi/com/source/.

How should you complete the model? To answer select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.