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PL-300 · Question #159

PL-300 Question #159: Real Exam Question with Answer & Explanation

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Submitted by layla.eg· Apr 18, 2026Model the data

Question

You have a Power BI dataset that contains a table named Temperature Readings. Temperature Readings contains the columns shown in the following table. The table has 12 million rows. All the columns are needed for analysis. You need to optimize the dataset to decrease the model size. The solution must not affect the precision of the data. What should you do?

Options

  • ASplit the DateTime column into separate date and time columns.
  • BDisable the Power Query load.
  • CRound the Longitude column two decimal places.
  • DChange the data type of the TempCelsius column to Integer

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Topics

#Model Optimization#Data Types#DateTime Handling#Data Size
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