You have an existing Azure IoT hub.
You need to connect physical IoT devices to the IoT hub.
You are connecting the devices through a firewall that allows only port 443 and port 80.
Which three communication protocols can you use? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.

A. MQTT over WebSocket

B. AMQP

C. AMQP over WebSocket

D. MQTT

E. HTTPS






 

Suggested Answer: ACE

MQTT over WebSockets, AMQP over WebSocket, and HTTPS use port 443.
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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