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Microsoft DP-420 Exam - Topic 5 Question 12 Discussion

You need to select the partition key for con-iot1. The solution must meet the IoT telemetry requirements.What should you select?
D) the device ID
A) the timestamp
B) the humidity
C) the temperature

Microsoft DP-420 Exam - Topic 5 Question 12 Discussion

Actual exam question for Microsoft's DP-420 exam
Question #: 12
Topic #: 5
[All DP-420 Questions]

You need to select the partition key for con-iot1. The solution must meet the IoT telemetry requirements.

What should you select?

Show Suggested Answer Hide Answer
Suggested Answer: D

The partition key is what will determine how data is routed in the various partitions by Cosmos DB and needs to make sense in the context of your specific scenario. The IoT Device ID is generally the 'natural' partition key for IoT applications.

Scenario: The iotdb database will contain two containers named con-iot1 and con-iot2.

Ensure that Azure Cosmos DB costs for IoT-related processing are predictable.


https://docs.microsoft.com/en-us/azure/architecture/solution-ideas/articles/iot-using-cosmos-db

by Helga at May 05, 2022, 03:11 AM

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Merissa
10 months ago
Wait, are we sure device ID is the right pick? Sounds too simple.
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Galen
10 months ago
Really? I thought humidity would be more relevant for telemetry.
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Dwight
11 months ago
But what about the timestamp? It could help with time-series data.
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Marget
11 months ago
Totally agree, device ID keeps things organized!
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Huey
11 months ago
I think the device ID is the best choice.
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Karon
11 months ago
I lean towards the device ID as well, but I wonder if timestamp might be useful for time-series data. It's a tough call!
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Elmer
11 months ago
I feel like humidity and temperature could be too variable, but I can't recall if they were ever recommended as partition keys in our sessions.
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Shantay
11 months ago
I think we practiced a similar question where device ID was the right answer. It seems logical since it can help identify data from specific devices.
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Margery
11 months ago
I remember we discussed how the partition key should help with data distribution, but I'm not sure if timestamp is the best choice here.
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Edna
11 months ago
I'm pretty sure the correct answer is D. The layout design file for an Android activity should have the name "activity_main.xml".
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Asha
11 months ago
This looks like a straightforward question about data visualization. I'll focus on the key terms like "percentile" and "distribution" to determine the correct answer.
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Evangelina
11 months ago
I'm a bit confused. Is there a way to play RealMedia files without converting them? I feel like there has to be an easier solution.
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Matt
11 months ago
Creating workflow rules sounds like the way to go here. That should help streamline the approval process and make sure we're meeting all the policy requirements.
upvoted 0 times
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