You develop a custom Azure IoT Edge module named temperature-module.
You publish temperature-module to a private container registry named mycr.azurecr.io You need to build a deployment manifest for the IoT Edge device that will run temperature-module.
Which three container images should you define in the manifest? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.

• A.mcr.microsoft.com/azureiotedge-simulated-temperature-sensor:1.0
• B.mcr.microsoft.com/azureiotedge-agent:1.0
• C.mcr.microsoft.com/iotedgedev:2.0
• D.mycr.azurecr.io/temperature-module:latest
• E.mcr.microsoft.com/azureiotedge-hub:1.0

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You have an Azure IoT solution that includes several Azure IoT hubs.
A new alerting feature was recently added to the IoT devices. The feature uses a new device twin reported property named alertCondition.
You need to send alerts to an Azure Service Bus queue named MessageAlerts. The alerts must include alertCondition and the name of the IoT hub.
Which two actions should you perform? Each Answer presents part of the solution.
NOTE: Each correct selection is worth one point.

• A.Configure File upload for each IoT hub. Configure the device to send a file to an Azure Storage container that contains the device name and status message.
• B.Add the following message enrichments:
  Name = iotHubName
  Value = $twin.tag.location
  Endpoint = MessageAlert
• C.Create an IoT Hub routing rule that has a data source of Device Twin Change Events and select the endpoint for MessageAlerts.
• D.Add the following message enrichments:
  Name = iotHubName Value = $iothubname
  Endpoint = MessageAlert
• E.Create an IoT Hub routing rule that has a data source of Device Telemetry Messages and select the endpoint for MessageAlerts.

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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.

• A.From IoT Hub, create a custom event hub endpoint, and then configure the endpoint as an input to Stream Analytics.
• B.Create a Stream Analytics module, and then deploy the module to all IoT Edge devices in the fleet.
• C.Create an input in Stream Analytics that uses the built-in events endpoint of IoT Hub as the source.
• D.Route telemetry to an Azure Blob storage custom endpoint, and then configure the Blob storage as a reference input for Stream Analytics.

Correct Answer: A,C

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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.

Correct Answer:

Explanation:
Box 1: tags.engine.warpDriveType='VM105a'
Use tags to target twins. Before you create a configuration, you must specify which devices or modules you want to affect. Azure IoT Hub identifies devices and using tags in the device twin, and identifies modules using tags in the module twin.
Box 2: properties.desired.warpOperating
The twin path, which is the path to the JSON section within the twin desired properties that will be set.
For example, you could set the twin path to properties.desired.chiller-water and then provide the following JSON content:
{
"temperature": 66,
"pressure": 28
}
Reference:
https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-automatic-device-management

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You have an Azure IoT hub named Hub1 and a root certification authority (CA) named CA1. Hub1 is configured to use X.509 certificate device authentication.
You and a custom manufacturing partner complete a proof of possession flow.
You plan to deploy IoT devices manufactured by the custom manufacturing partner. Each device will have a certificate generated by an intermediate CA. The devices will authenticate by using device certificates signed by the partner.
You need to ensure that the custom devices can connect successfully to Hub1.
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.

Correct Answer:

Explanation
Graphical user interface, text, application, chat or text message Description automatically generated

Box 1: Sign the intermediate CA certificate by using the CA1 certificate.
X.509 certificates are typically arranged in a certificate chain of trust in which each certificate in the chain is signed by the private key of the next higher certificate, and so on, terminating in a self-signed root certificate.
This arrangement establishes a delegated chain of trust from the root certificate generated by a trusted root certificate authority (CA) down through each intermediate CA to the end-entity "leaf" certificate installed on a device.
Box 2: Sign the device certificate by using the intermediate CA
An intermediate certificate is an X.509 certificate, which has been signed by the root certificate (or by another intermediate certificate with the root certificate in its chain). The last intermediate certificate in a chain is used to sign the leaf certificate. An intermediate certificate can also be referred to as an intermediate CA certificate.
Box 3: Deploy the certificate chain to the device.
The leaf certificate, or end-entity certificate, identifies the certificate holder. It has the root certificate in its certificate chain as well as zero or more intermediate certificates. The leaf certificate is not used to sign any other certificates. It uniquely identifies the device to the provisioning service and is sometimes referred to as the device certificate. During authentication, the device uses the private key associated with this certificate to respond to a proof of possession challenge from the service.
Reference:
https://docs.microsoft.com/en-us/azure/iot-dps/concepts-x509-attestation

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