Download Microsoft Azure IoT Developer.VCEplus.AZ-220.2020-04-21.6e.54q.vcex

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Exam Microsoft Azure IoT Developer
Number AZ-220
File Name Microsoft Azure IoT Developer.VCEplus.AZ-220.2020-04-21.6e.54q.vcex
Size 3.99 Mb
Posted April 21, 2020
Downloads 51

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Demo Questions

Question 1
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.

  • A:



Question 2
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?

  • A: Yes
  • B: No



Question 3
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: You delete the enrollment group from the Device Provisioning Service.
Does the solution meet the goal?

  • A: Yes
  • B: No



Question 4
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 IoT hub, you change the credentials for the shared access policy of the IoT devices.
Does the solution meet the goal?

  • A: Yes
  • B: No



Question 5
You plan to deploy a standard tier Azure IoT hub.
You need to perform an over-the-air (OTA) update on devices that will connect to the IoT hub by using scheduled jobs.
What should you use?

  • A: a device-to-cloud message
  • B: the device twin reported properties
  • C: a cloud-to-device message
  • D: a direct method



Question 6
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.
NOTE: Each correct selection is worth one point.

  • A: Upload Sensors.csv by using the IoT Hub REST API.
  • B: From the Azure subscription, select the IoT hub, select Message routing, and then configure a route to storage.
  • C: From the Azure subscription, select the IoT hub, select File upload, and then configure a storage container.
  • D: Configure the device to use a GET request to ContosoHub.azure-devices.net/devices/ContosoDevice1/files/notifications.



Question 7
You plan to deploy an Azure IoT hub.
The IoT hub must support the following:
Three Azure IoT Edge devices
2,500 IoT devices
Each IoT device will spend a 6 KB message every five seconds.
You need to size the IoT hub to support the devices. The solution must minimize costs.
What should you choose?

  • A: one unit of the S1 tier 
  • B: one unit of the B2 tier 
  • C: one unit of the B1 tier
  • D: one unit of the S3 tier



Question 8
You have an Azure IoT hub.
You plan to attach three types of IoT devices as shown in the following table.

   

You need to select the appropriate communication protocol for each device.
What should you select? To answer, drag the appropriate protocols to the correct devices. Each protocol 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.

  • A:



Question 9
You create an Azure IoT hub by running the following command.
az iot hub create --resource-group MyResourceGroup --name MyIotHub --sku B1 --location westus --partition-count 4
What does MylotHub support?

  • A: Device Provisioning Service
  • B: cloud-to-device messaging
  • C: Azure IoT Edge
  • D: device twins



Question 10
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.

  • A: MQTT over WebSocket
  • B: AMQP
  • C: AMQP over WebSocket
  • D: MQTT
  • E: HTTPS






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