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PL-300 · Question #391

PL-300 Question #391: Real Exam Question with Answer & Explanation

The correct answer is B: No. Changing the semantic model mode does not directly resolve data quality issues like undefined values or errors caused by case-sensitive data.

Submitted by joshua94· Apr 18, 2026

Question

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution. After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen. You have a data source that contains a column. The column contains case sensitive data. You have a Power BI semantic model in DirectQuery mode. You connect to the model and discover that it contains undefined values and errors. You need to resolve the issue. Solution: You change the semantic model mode. Does this meet the goal?

Options

  • AYes
  • BNo

Explanation

Changing the semantic model mode does not directly resolve data quality issues like undefined values or errors caused by case-sensitive data.

Common mistakes.

  • A. Altering the storage mode of the semantic model (e.g., from DirectQuery to Import) does not inherently fix data content problems like case sensitivity or undefined values; these require data cleaning or transformation.

Concept tested. Data quality vs. Power BI storage modes

Reference. https://learn.microsoft.com/en-us/power-bi/transform-model/desktop-storage-mode

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