Microsoft
AZ-220 · Question #20
You have an Azure IoT solution that includes an Azure IoT hub and 100 Azure IoT Edge devices. You plan to deploy the IoT Edge devices to external networks. The firewalls of the external networks…
The correct answer is B. Configure the upstream protocol of the devices to use MQTT over WebSocket. MQTT over WebSockets uses port 443. https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-devguide-protocols
Implement IoT Edge
Question
You have an Azure IoT solution that includes an Azure IoT hub and 100 Azure IoT Edge devices. You plan to deploy the IoT Edge devices to external networks. The firewalls of the external networks only allow traffic on port 80 and port 443. You need to ensure that the devices can connect to the IoT hub. The solution must minimize costs. What should you do?
Options
- AConfigure the devices for extended offline operations.
- BConfigure the upstream protocol of the devices to use MQTT over WebSocket.
- CConnect the external networks to the IoT solution by using ExpressRoute.
- DConfigure the devices to use an HTTPS proxy.
How the community answered
(63 responses)- A3% (2)
- B75% (47)
- C8% (5)
- D14% (9)
Explanation
MQTT over WebSockets uses port 443. https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-devguide-protocols
Topics
#IoT Edge#upstream protocol#MQTT over WebSocket#firewall traversal
Community Discussion
No community discussion yet for this question.