A company is planning to set up a solution in Azure. They have the following key requirement. Give the ability to process data from millions of sensors.
Which of the below Azure services can be used for this purpose?

Answer options:

A.Azure Machine Learning
B.Azure IoT Hub
C.Azure AI Bot
D.Azure Functions

Answer – B 
The Microsoft documentation mentions the following. 

Since this is a clear feature of the tool, all other options are incorrect. 
For more information on Azure IoT Hub, please visit the below URL- 

https://docs.microsoft.com/en-us/azure/iot-hub/about-iot-hub