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Exam AZ-220 topic 2 question 40 discussion

Actual exam question from Microsoft's AZ-220
Question #: 40
Topic #: 2
[All AZ-220 Questions]

You have an Azure IoT Hub deployment.

You plan to deploy 1,000 IoT devices that will have 1 MB of RAM. The devices will be deployed behind firewalls that block port 443.

You need to configure the communication protocol for the devices. The solution must ensure that each device uses unique credentials.

Which protocol should you use?

  • A. AMQP
  • B. MQTT over WebSockets
  • C. MQTT
  • D. AMQP over WebSockets
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Suggested Answer: C 🗳️
by Yameo at June 27, 2023, 2:28 p.m.

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Yameo
2 years ago
It shouldn't be B? MQTT isn't restricted to 8883? I'm asking as I'm totally new to IoT.
upvoted 1 times
Yameo
2 years ago
Ok, I misread, the port 443 is blocked, not the available one.
upvoted 1 times
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