Exam TCC-C01 Topic 1 Question 40 Discussion

Actual exam question for Tableau's TCC-C01 exam
Question #: 40
Topic #: 1

A client builds a dashboard that presents current and long-term stock measures. Currently, the data is at a daily level. The data presents as a bar chart that presents monthly results over current and previous years. Some measures must present as monthly averages.
What should the consultant recommend to limit the data source for optimal performance?

A. Limit data to current and previous years and leave data at daily level to calculate the averages in the report. B. Limit data to current and previous years, move calculating averages to data layer, and aggregate dates to monthly level. C. Move calculating averages to data layer and aggregate dates to monthly level. D. Limit data to current and previous years as well as to the last day of each month to eliminate the need to use the averages.

Suggested Answer: B Vote an answer

For optimal performance, it is recommended to limit the data to what is necessary for analysis, which in this case would be the current and previous years. Moving the calculation of averages to the data layer and aggregating the dates to a monthly level will reduce the granularity of the data, thereby improving the performance of the dashboard.This approach aligns with best practices foroptimizing workbook performance in Tableau, which suggest simplifying the data model and reducing the number of records processed12.
References:The recommendation is based on the guidelines provided in Tableau's official documentation on optimizing workbook performance, which includes tips on data management and aggregation for better performance12.

by Tess at Sep 06, 2024, 02:58 AM

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Comments

Ameni

2025-01-29 06:50:27

Selected Answer: B

✅ B. Limit data to current and previous years, move calculating averages to the data layer, and aggregate dates to monthly level.
🚀 Best strategy for optimizing Tableau performance and reducing data processing load.

upvoted 1 times

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HANANE

2025-01-06 14:14:51

Average can be calculated via a table calculation

upvoted 1 times

HANANE

2025-01-06 14:15:22

i believe no need to puch it to the dalalayer and i will be choosing A

upvoted 1 times

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