Discuss Microsoft PL-300 Exam Topic 5 Question 23

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From Power Query Editor, you profile the data shown in the following exhibit.

The IOT ID columns are unique to each row in query.

You need to analyze 10T events by the hour and day of the year. The solution must improve dataset performance.

Solution: You change the IOT DateTime column to the Date data type.

Does this meet the goal?

AYes

BNo

Suggested Answer: A

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14 comments · newest first

Nohemi 11 months ago

IOT IDs are unique, and we need hour and day analysis.

Tawna 11 months ago

Definitely a no, you need the full DateTime for that!

Lindsay 12 months ago

Wait, does that really improve performance?

Aleta 12 months ago

I think it helps with performance, but not sure about the analysis.

Kristin 1 year ago

Changing to Date type won't capture time details.

Lennie 1 year ago

I remember discussing how data types can impact performance, but I’m not confident if this specific change is the right approach for analyzing events by hour.

Gladys 1 year ago

I feel like this could be a trick question. While it might improve performance, it seems like we still need the time component for the analysis.

Alesia 1 year ago

I think this is similar to a practice question we did where we had to optimize data types. If I recall correctly, just changing to Date might not capture the hourly analysis we need.

Talia 1 year ago

I'm not entirely sure if changing the IOT DateTime to Date will help with performance. I remember something about data types affecting calculations.

Shaun 1 year ago

I don't have much experience with Alibaba Cloud, but this seems like a good opportunity to learn more about their SSL certificate offerings. I'll read through the options carefully and try to apply my general knowledge of certificate types to determine the right answers.

Carin 1 year ago

I'm pretty sure this is about Content Fragments. They're great for multi-channel content reuse, right?

Gearldine 1 year ago

Summarizing from the access to the aggregation layer seems like it could be a good option, but I'll need to double-check how that would impact the overall network design.

Sophia 1 year ago

Buying a third-party tool could add extra costs, but I'm not too confident if it's easier than writing a script.

Javier 1 year ago

Okay, let's see. I'm pretty sure CSRF is the right answer here. It's a common vulnerability that can allow unauthorized actions on a website, so implementing CSRF protection would help prevent that.

Microsoft PL-300 Exam - Topic 5 Question 23 Discussion