AZ-220 Online Practice Questions and Answers

You have 1,000 IoT devices that connect to an Azure IoT hub.

Each device has a property tag named city that is used to store the location of the device.

You need to update the properties on all the devices located at an office in the city of Seattle as quickly as possible. Any new devices in the Seattle office that are added to the IoT hub must receive the updated properties also.

What should you do?

A. From Automatic Device Management, create an IoT device configuration.

B. From the IoT hub, generate a query for the target devices.

C. Create a scheduled job by using the IoT Hub service SDKs.

D. Deploy an Azure IoT Edge transparent gateway to the Seattle office and deploy an Azure Stream Analytics edge job.

You have an Azure IoT Central application that monitors 100 IoT devices.

You need to generate alerts when the temperature of a device exceeds 100 degrees. The solution must meet the following requirements:

1.

Minimize costs

2.

Minimize deployment time What should you do?

A. Perform a data export to Azure Service Bus.

B. Create an email property in the device templates.

C. Perform a data export to Azure Blob storage and create an Azure function.

D. Create a rule that uses an email action.

You have an Azure IoT solution.

You need to create a digital twin model.

Which language should you use?

A. XHTML

B. DTDL

C. YAML

D. XML

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.

A. Microsoft.Devices.DeviceCreated

B. Microsoft.Resources.ResourceWriteSuccess

C. Microsoft.EventGrid.SubscriptionValidationEvent

D. Microsoft.Devices.DeviceConnected

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?

A. authenticationType''KeyBased''

B. ''disableDeviceSAS'' : true''

C. ''disableModuleSAS'': ''true''

D. ''minTIsversion'':''1.2''

You have an loT solution that includes an Azure IoT hub named Hub1 and 20 loT devices.

Hub1 sends cloud-to-device messages to the 10T devices.

You need to track the number of messages that are resubmitted for delivery to an IoT device. Which metric should you monitor?

A. C2D messages abandoned

B. C2D Messages Expired

C. C2D messages rejected

D. C2D message deliveries completed

You need to recommend the format of telemetry messages to meet the POV requirements. What should you recommend?

A. XML

B. Avro

C. JSON

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.

Hot Area:

HOTSPOT

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.

Hot Area:

HOTSPOT

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.

Hot Area: