DRAG DROP -
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.
Select and Place:
 
















 

Suggested Answer: 
    

Box 1: AMQP -
Use AMQP on field and cloud gateways to take advantage of connection multiplexing across devices.
Box 2: MQTT -
MQTT is used on all devices that do not require to connect multiple devices (each with its own per-device credentials) over the same TLS connection.
Box 3: HTTPS -
Use HTTPS for devices that cannot support other protocols.
Reference:
https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-devguide-protocols

This question is in AZ-220 Microsoft Azure IoT Developer Exam
For getting Microsoft Certified: Azure IoT Developer Specialty Certificate





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