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Microsoft DP-700 Exam - Topic 2 Question 1 Discussion

You have a Fabric workspace that contains an eventstream named Eventstream1. Eventstream1 processes data from a thermal sensor by using event stream processing, and then stores the data in a lakehouse.You need to modify Eventstream1 to include the standard deviation of the temperature.Which transform operator should you include in the Eventstream1 logic?
D) Aggregate
A) Expand
B) Group by
C) Union

Microsoft DP-700 Exam - Topic 2 Question 1 Discussion

Actual exam question for Microsoft's DP-700 exam
Question #: 1
Topic #: 2
[All DP-700 Questions]

You have a Fabric workspace that contains an eventstream named Eventstream1. Eventstream1 processes data from a thermal sensor by using event stream processing, and then stores the data in a lakehouse.

You need to modify Eventstream1 to include the standard deviation of the temperature.

Which transform operator should you include in the Eventstream1 logic?

Show Suggested Answer Hide Answer
Suggested Answer: D

To compute the standard deviation of the temperature from the thermal sensor data, you would use the Aggregate transform operator in Eventstream1. The Aggregate operator allows you to apply functions like sum, average, count, and statistical functions like standard deviation across a group of rows or events. This operator is ideal for operations that require summarizing or computing statistics over a dataset, such as calculating the standard deviation.


by Yen at Jan 14, 2025, 03:20 AM

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Nicholle
9 months ago
I thought Union might be useful, but I guess not for this case.
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Paulina
9 months ago
Group by won't work for this, right?
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Eleonore
10 months ago
Wait, can you really get standard deviation with just Aggregate?
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Pura
10 months ago
Totally agree, Aggregate is the way to go!
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Tarra
10 months ago
You need the Aggregate operator for standard deviation.
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Nickole
10 months ago
I’m leaning towards option D as well, but I wonder if we need to group the data first. This is tricky!
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Helga
11 months ago
I feel like the aggregate function is the right choice here, but I also recall something about grouping data. It's confusing!
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Bettye
11 months ago
I'm not entirely sure, but I remember practicing a question where we had to group data first before applying any statistical functions. Could it be B?
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Adelina
11 months ago
I think the standard deviation calculation might require some kind of aggregation, so maybe it's option D?
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Taryn
11 months ago
The standard deviation is a measure of the spread of the data, so the Aggregate operator seems like the logical choice here. I'm feeling good about this one - I think I can nail this question.
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Ryan
11 months ago
I'm a little confused by this question. I know we need to add the standard deviation, but I'm not sure which operator is the best fit. I'll have to review the documentation on these transform operators to make sure I choose the right one.
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Hyman
11 months ago
Okay, I've got this. The standard deviation is a statistical measure, so the Aggregate operator is definitely the right choice here. I'm feeling pretty confident about this one.
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Serina
11 months ago
Hmm, I'm a bit unsure about this one. I know we need to calculate the standard deviation, but I'm not sure which operator is the best fit. I'll have to think this through carefully.
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Billye
11 months ago
I think the key here is to look for a transform operator that can calculate the standard deviation. Based on the options, I'd say Aggregate is the way to go.
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Claudia
2 years ago
I'm not sure, but I think Aggregate makes sense for this scenario.
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Dorathy
2 years ago
I agree with Diane. Aggregate is used for calculating standard deviation.
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Man
2 years ago
The answer is clearly D. Aggregate. Standard deviation is, like, the bread and butter of that transform. Unless they secretly added a 'Shimmer' or 'Glitter' transform, then I might be swayed. But Aggregate is the way to go.
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Hubert
2 years ago
Yes, D) Aggregate is the logical choice for adding the standard deviation to Eventstream1.
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Lachelle
2 years ago
I think so too. Aggregate is the transform operator that will help us include the standard deviation.
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Rutha
2 years ago
I agree, D) Aggregate is the right choice for calculating standard deviation.
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Diane
2 years ago
I think the correct transform operator is D) Aggregate.
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Corazon
2 years ago
D. Aggregate, for sure. That's the one that can handle all those fancy statistical functions. Now, if only they had an option for 'Jitter' or 'Sparkle' transforms, I'd be all over that.
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Troy
2 years ago
Hmm, I'd say 'Aggregate' is the way to go. It's perfect for calculating standard deviation, right? I mean, who doesn't love a good standard deviation calculation every now and then? It's like the cherry on top of the data processing sundae.
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Truman
2 years ago
Definitely! 'Aggregate' is essential for advanced data processing tasks like calculating standard deviation.
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Melvin
2 years ago
I agree, 'Aggregate' is the way to go for calculating standard deviation. It's a powerful operator for data processing.
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Truman
2 years ago
Yes, 'Aggregate' is the correct choice. It allows you to perform calculations like standard deviation on the data.
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