What should you choose?

You plan to deploy an Azure IoT hub.

The IoT hub must support the following:

✑ Three Azure IoT Edge devices 2,500 IoT devices

✑ Each IoT device will spend a 6 KB message every five seconds.

You need to size the IoT hub to support the devices. The solution must minimize costs .

What should you choose?
A . one unit of the S1 tier
B . one unit of the B2 tier
C . one unit of the B1 tier
D . one unit of the S3 tier

Answer: D

Explanation:

2500* 6 KB * 12 = 180,000 KB/minute = 180 MB/Minute.

B3, S3 can handle up to 814 MB/minute per unit.

Incorrect Answers:

A, C: B1, S1 can only handle up to 1111 KB/minute per unit B: B2, S2 can only handle up to 16 MB/minute per unit.

Reference: https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-scaling