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Exam AZ-220 topic 1 question 11 discussion

Actual exam question from Microsoft's AZ-220
Question #: 11
Topic #: 1
[All AZ-220 Questions]

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
Show Suggested Answer Hide Answer
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
by getazusername at Nov. 4, 2020, 3:55 p.m.

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getazusername
Highly Voted 4 years, 7 months ago
IoT Protocol Ports: MQTT 8883 MQTT over WebSockets 443 AMQP 5671 AMQP over WebSockets 443 HTTPS 443
upvoted 13 times
...
ipindado2020
Highly Voted 4 years, 6 months ago
ACE is ok
upvoted 8 times
...
Sudhansu21
Most Recent 3 years, 3 months ago
Came in Exam Feb 2022.
upvoted 3 times
...
BoomJosh
4 years, 2 months ago
Appeared for exam on 3/24/2021 and successfully cleared it, this question was there.
upvoted 7 times
...
Community vote distribution
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C (25%)
B (20%)
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