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

Explanation:
The Device Provisioning Service is included in the Basic Tiers (such as B1).

Incorrect Answers:
B, C, D: The Standard tier is needed for cloud-to-device messaging, Azure IoT Edge, and device twins.

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