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AZ-220 Exam - Question 3


Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.

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You have an Azure IoT solution that includes an Azure IoT hub, a Device Provisioning Service instance, and 1,000 connected IoT devices.

All the IoT devices are provisioned automatically by using one enrollment group.

You need to temporarily disable the IoT devices from the connecting to the IoT hub.

Solution: From the IoT hub, you change the credentials for the shared access policy of the IoT devices.

Does the solution meet the goal?

Show Answer
Correct Answer: B

Changing the credentials for the shared access policy of the IoT devices will indeed prevent the devices from connecting to the IoT hub. However, this method is not the most efficient nor temporary, as it requires you to manage and restore the credentials later. A more appropriate solution would be to disable the devices directly from the IoT hub or to temporarily disable the enrollment group, which would effectively and temporarily prevent the devices from connecting.

Discussion

3 comments
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ipindado2020
Nov 21, 2020

B is ok

exam67
Jun 18, 2021

changing credentials may be effective in preventing the device to connect to IoT hub, but in order to be a "temporary" effect, you should then be prepared to restore the credentials later, therefore make a backup copy of it

Mers17
Jul 26, 2021

B- No is correct answer