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CompTIA Exam DA0-001 Topic 4 Question 28 Discussion

Actual exam question for CompTIA's DA0-001 exam
Question #: 28
Topic #: 4
[All DA0-001 Questions]

Joe. an analyst. tests the loading time on a dashboard he is preparing to go live and finds it is slower than he would like. Which of the following must occur to decrease the loading time?

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Suggested Answer: D

Optimizing the dashboard is the process of improving its performance and reducing its loading time by applying various techniques and best practices. Some of the common ways to optimize a dashboard are:

Reducing the size and complexity of the data model, such as removing unnecessary columns, aggregating data at the source, or using data compression techniques12

Leveraging caching strategies, such as setting appropriate cache refresh intervals or utilizing Power BI's built-in caching mechanisms, to minimize data retrieval delays2

Utilizing query folding, direct query, or live connection to enhance data processing efficiency and enable real-time data updates23

Optimizing DAX queries, such as avoiding nested calculations, using variables, or simplifying measures, to improve data calculation speed23

Reducing visualizations and calculations, such as using fewer or simpler charts, filters, or parameters, to speed up dashboard rendering12

Evaluating the impact of custom visuals on dashboard load time and avoiding or replacing those that are slow or inefficient2

Applying aggregation and summarization techniques, such as using extract filters, context filters, or level of detail expressions, to reduce the amount of data displayed on the dashboard1

Troubleshooting and resolving any issues that may cause slow dashboard load, such as network latency, server overload, or hardware limitations24


by Truman at Mar 04, 2024, 03:03 AM

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Leoma
4 days ago
Haha, good one Gregg! But seriously, I think Tamesha and Dorsey are on the right track. Optimizing the dashboard is the way to go. I'd start by looking at the data queries and see if there's any way to streamline them or reduce the amount of data being pulled.
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Gregg
5 days ago
You know, I was just thinking about how my grandma could probably load this dashboard faster than some of us. She's got skills, I tell you what.
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Dorsey
6 days ago
I agree with Tamesha. Optimizing the dashboard seems like the logical step here. We shouldn't just deploy it as-is if the loading time is unacceptable. And changing the field definitions or updating the subscribers doesn't seem directly related to the performance issue.
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Tamesha
7 days ago
Hmm, this is a tricky one. The dashboard loading time is slower than desired, so we need to figure out how to optimize it. I'm thinking option D - Optimize the dashboard - is the way to go. We need to look at the data sources, visualizations, and overall design to see what can be improved.
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