Microsoft AZ-220 Dumps - Microsoft Azure IoT Developer PDF Sample Questions

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Microsoft Azure IoT Developer
204 Questions
Last Update Date : 21 May, 2024
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Sample Questions

Realexamdumps Providing most updated Microsoft Certified: Azure IoT Developer Specialty Question Answers. Here are a few sample questions:

Microsoft AZ-220 Sample Question 1

During the POV phase, telemetry from IoT Hub stops flowing to the hot path. The cold path continues to work.

What should you do to restore the hot path?


A. Disable the fallback route.
B. Run the Test all routes action.
C. Create an explicit route for the hot path.
D. Modify cold-route to send only some telemetry data to the cold path.

Answer: D

Microsoft AZ-220 Sample Question 2

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.

After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.

You are developing a custom Azure IoT Edge module.

The module needs to identify the device ID of the local device.

Solution: You configure the module to read the ProductInfo property of ModuleClient.

Does this meet the goal?


A. Yes
B. No

Answer: B Explanation: Explanation: Instead read the device ID of the device twin.Note: Device twins are JSON documents that store device state information including metadata, configurations, and conditions. Azure IoT Hub maintains a device twin for each device that you connect to IoT Hub.Device identity properties. The root of the device twin JSON document contains the read-only properties from the corresponding device identity stored in the identity registry.Reference: [Reference:,, , , ]

Microsoft AZ-220 Sample Question 3

You need to recommend the format of telemetry messages to meet the POV requirements.

What should you recommend?


B. Avro

Answer: C Explanation: Explanation: Scenario: POV RequirementsEnsure that all message content during this phase is human readable to simplify debugging.Avro uses a binary format, so it is not human readable.The more lightweight JSON (Javascript object notation) has become a popular alternative to XML for various reasons. A couple obvious ones are:Less verbose- XML uses more words than necessaryJSON is faster- Parsing XML software is slow and cumbersome.Reference: [Reference:,, ]

Microsoft AZ-220 Sample Question 4

How should you complete the GROUP BY clause to meet the Streaming Analytics requirements?


A. GROUP BY HoppingWindow(Second, 60, 30)
B. GROUP BY TumblingWindow(Second, 30)
C. GROUP BY SlidingWindow(Second, 30)
D. GROUP BY SessionWindow(Second, 30, 60)

Answer: B Explanation: Explanation: Scenario: You plan to use a 30-second period to calculate the average temperature reading of the sensors.Tumbling window functions are used to segment a data stream into distinct time segments and perform a function against them, such as the example below. The key differentiators of a Tumbling window are that they repeat, do not overlap, and an event cannot belong to more than one tumbling window.InAnswers:A: Hopping window functions hop forward in time by a fixed period. It may be easy to think of them as Tumbling windows that can overlap, so events can belong to more than one Hopping window result set.Reference: [Reference:,, ]

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