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Exam Code: PL-300

Exam Name Microsoft Power BI Data Analyst

Certification Provider: Microsoft

Corresponding Certification: Microsoft Certified: Power BI Data Analyst Associate

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Microsoft PL-300 Practice Test 27

Question 260

A Power BI team has selected this approach: Use SUMX over order lines to sum Quantity multiplied by UnitPrice. The original business context is: A model has one row per order line with Quantity and UnitPrice but no stored line amount. What validation would be most relevant before accepting this change?

  1. Rows fall into exactly one configured bucket and the field appears in the slicer.
  2. A multi-line invoice total matches the arithmetic of each line extended price.
  3. Sales and Margin both respond to the same calculation item without duplicating separate measures.
  4. The highest-selling visible product ranks first within the selected brand scope.

Explanation

Correct Answer

B:

A multi-line invoice total matches the arithmetic of each line extended price. It provides the required observation for the chosen implementation: Use SUMX over order lines to sum Quantity multiplied by UnitPrice. This test addresses the stated business constraint directly.

Incorrect Answers

A:

Rows fall into exactly one configured bucket and the field appears in the slicer. That check would be meaningful for the separate case: A table needs a labeled categorical bucket for each static Amount value to support a slicer. It would not directly verify this scenario's selected implementation: Use SUMX over order lines to sum Quantity multiplied by UnitPrice.

C:

Sales and Margin both respond to the same calculation item without duplicating separate measures. That check would be meaningful for the separate case: A calculation group should apply a shared Previous Year transformation to several explicit measures. It would not directly verify this scenario's selected implementation: Use SUMX over order lines to sum Quantity multiplied by UnitPrice.

D:

The highest-selling visible product ranks first within the selected brand scope. That check would be meaningful for the separate case: A rank indicator must rank products by Total Sales among the currently selected brands. It would not directly verify this scenario's selected implementation: Use SUMX over order lines to sum Quantity multiplied by UnitPrice.

Question 261

A report should compute a weighted average price across stores rather than average their price averages equally. Which implementation choice most directly meets the business requirement?

  1. Use a suitable DISTINCT or SUMMARIZE-based calculated table with proper unique keys.
  2. Use an appropriate dynamic format-string expression based on the selected measure.
  3. Use a ratio of sum of weighted value to sum of weights.
  4. Define a semi-additive closing-balance measure using LASTNONBLANK or a validated equivalent date selection.

Explanation

Correct Answer

C:

Use a ratio of sum of weighted value to sum of weights. This targets the specific requirement described for this Power BI scenario. The corresponding acceptance check is: The global price reflects transaction weights instead of treating every store equally.

Incorrect Answers

A:

Using 'Use a suitable DISTINCT or SUMMARIZE-based calculated table with proper unique keys' supports the result 'The helper table contains one row per expected region after processing' for An analyst builds a calculated table of unique Regions for a helper dimension. It does not implement 'Use a ratio of sum of weighted value to sum of weights' or prove 'The global price reflects transaction weights instead of treating every store equally' for this question.

B:

'Use an appropriate dynamic format-string expression based on the selected measure' is validated when 'The transformed count remains a whole number while currency retains currency formatting' for A calculation group applies one format to counts and currency, making counts look like money. It does not demonstrate 'The global price reflects transaction weights instead of treating every store equally', which requires 'Use a ratio of sum of weighted value to sum of weights'.

D:

A successful 'Define a semi-additive closing-balance measure using LASTNONBLANK or a validated equivalent date selection' would show 'An annual balance shows the closing snapshot rather than a sum over days' for An operations model stores account balances as daily snapshots and needs the last nonblank selected date's balance. This case needs 'Use a ratio of sum of weighted value to sum of weights' and evidence that 'The global price reflects transaction weights instead of treating every store equally', not the other outcome.

Question 262

A Power BI team has selected this approach: Use a ratio of sum of weighted value to sum of weights. The original business context is: A report should compute a weighted average price across stores rather than average their price averages equally. Which observation best indicates the requirement was met?

  1. An annual balance shows the closing snapshot rather than a sum over days.
  2. The helper table contains one row per expected region after processing.
  3. The transformed count remains a whole number while currency retains currency formatting.
  4. The global price reflects transaction weights instead of treating every store equally.

Explanation

Correct Answer

D:

The global price reflects transaction weights instead of treating every store equally. It provides the required observation for the chosen implementation: Use a ratio of sum of weighted value to sum of weights. This test addresses the stated business constraint directly.

Incorrect Answers

A:

An annual balance shows the closing snapshot rather than a sum over days. That check would be meaningful for the separate case: An operations model stores account balances as daily snapshots and needs the last nonblank selected date's balance. It would not directly verify this scenario's selected implementation: Use a ratio of sum of weighted value to sum of weights.

B:

The helper table contains one row per expected region after processing. That check would be meaningful for the separate case: An analyst builds a calculated table of unique Regions for a helper dimension. It would not directly verify this scenario's selected implementation: Use a ratio of sum of weighted value to sum of weights.

C:

The transformed count remains a whole number while currency retains currency formatting. That check would be meaningful for the separate case: A calculation group applies one format to counts and currency, making counts look like money. It would not directly verify this scenario's selected implementation: Use a ratio of sum of weighted value to sum of weights.

Question 263

A measure must count orders with Status = Shipped while still respecting a date slicer. Which approach is best aligned with the required outcome?

  1. Sum stocks across warehouse dimension at the chosen date, then select a period-end date for longer intervals.
  2. Use CALCULATE with the shipped-status filter and an order-count measure.
  3. Invoke USERELATIONSHIP within CALCULATE for the shipping calculation.
  4. Use MEDIAN or MEDIANX on the intended order-level values.

Explanation

Correct Answer

B:

Use CALCULATE with the shipped-status filter and an order-count measure. This targets the specific requirement described for this Power BI scenario. The corresponding acceptance check is: Shipped totals change with the selected date range and exclude unshipped orders.

Incorrect Answers

A:

The check for 'Sum stocks across warehouse dimension at the chosen date, then select a period-end date for longer intervals' is 'Two warehouse balances add correctly on the last selected date without multiplying by days'. That does not establish 'Shipped totals change with the selected date range and exclude unshipped orders'; the stated requirement calls for 'Use CALCULATE with the shipped-status filter and an order-count measure'.

C:

'Invoke USERELATIONSHIP within CALCULATE for the shipping calculation' addresses the mechanism measured by 'The shipping measure follows Date via ShipDate without changing other measures' for A model uses an inactive Sales[ShipDate] to Date[Date] relationship for one shipping measure. The current outcome is 'Shipped totals change with the selected date range and exclude unshipped orders' after 'Use CALCULATE with the shipped-status filter and an order-count measure', which the distractor leaves unverified.

D:

'A sample with one very large order returns the middle order size' would demonstrate 'Use MEDIAN or MEDIANX on the intended order-level values' for A report needs median order size instead of arithmetic average because outliers skew the distribution, but not 'Shipped totals change with the selected date range and exclude unshipped orders'. The latter requires 'Use CALCULATE with the shipped-status filter and an order-count measure' in this scenario.

Question 264

A Power BI team has selected this approach: Use CALCULATE with the shipped-status filter and an order-count measure. The original business context is: A measure must count orders with Status = Shipped while still respecting a date slicer. What evidence most directly verifies that the requirement is satisfied?

  1. A sample with one very large order returns the middle order size.
  2. Two warehouse balances add correctly on the last selected date without multiplying by days.
  3. The shipping measure follows Date via ShipDate without changing other measures.
  4. Shipped totals change with the selected date range and exclude unshipped orders.

Explanation

Correct Answer

D:

Shipped totals change with the selected date range and exclude unshipped orders. It provides the required observation for the chosen implementation: Use CALCULATE with the shipped-status filter and an order-count measure. This test addresses the stated business constraint directly.

Incorrect Answers

A:

A sample with one very large order returns the middle order size. That check would be meaningful for the separate case: A report needs median order size instead of arithmetic average because outliers skew the distribution. It would not directly verify this scenario's selected implementation: Use CALCULATE with the shipped-status filter and an order-count measure.

B:

Two warehouse balances add correctly on the last selected date without multiplying by days. That check would be meaningful for the separate case: A stock report needs total inventory across warehouses on a single date but must not add repeated daily stock balances across time. It would not directly verify this scenario's selected implementation: Use CALCULATE with the shipped-status filter and an order-count measure.

C:

The shipping measure follows Date via ShipDate without changing other measures. That check would be meaningful for the separate case: A model uses an inactive Sales[ShipDate] to Date[Date] relationship for one shipping measure. It would not directly verify this scenario's selected implementation: Use CALCULATE with the shipped-status filter and an order-count measure.

Question 265

A rank indicator must rank products by Total Sales among the currently selected brands. What action is the most appropriate response to the stated constraint?

  1. Build a percentage denominator using the appropriate ALLSELECTED filter scope.
  2. Create a measure referencing [Revenue] and [Cost] to preserve existing filter context.
  3. Use RANKX over the appropriate ALLSELECTED product set and Sales measure.
  4. Use STDEV.P or an equivalent population calculation over the correct numeric values.

Explanation

Correct Answer

C:

Use RANKX over the appropriate ALLSELECTED product set and Sales measure. This targets the specific requirement described for this Power BI scenario. The corresponding acceptance check is: The highest-selling visible product ranks first within the selected brand scope.

Incorrect Answers

A:

Using 'Build a percentage denominator using the appropriate ALLSELECTED filter scope' supports the result 'Category shares reconcile to the selected report total under the intended visual interactions' for A percentage measure should respect report selection but not be thrown off by one visual's own row context. It does not implement 'Use RANKX over the appropriate ALLSELECTED product set and Sales measure' or prove 'The highest-selling visible product ranks first within the selected brand scope' for this question.

B:

'Create a measure referencing [Revenue] and [Cost] to preserve existing filter context' is validated when 'Under every slicer selection profit equals the difference of the two evaluated measures' for A profit measure needs Revenue minus Cost, both already defined as measures. It does not demonstrate 'The highest-selling visible product ranks first within the selected brand scope', which requires 'Use RANKX over the appropriate ALLSELECTED product set and Sales measure'.

D:

A successful 'Use STDEV.P or an equivalent population calculation over the correct numeric values' would show 'The displayed dispersion agrees with a separate population-variance calculation' for A distribution summary needs the population standard deviation of all included sensor measurements. This case needs 'Use RANKX over the appropriate ALLSELECTED product set and Sales measure' and evidence that 'The highest-selling visible product ranks first within the selected brand scope', not the other outcome.

Question 266

A Power BI team has selected this approach: Use RANKX over the appropriate ALLSELECTED product set and Sales measure. The original business context is: A rank indicator must rank products by Total Sales among the currently selected brands. Which acceptance test best demonstrates the intended outcome?

  1. Category shares reconcile to the selected report total under the intended visual interactions.
  2. The highest-selling visible product ranks first within the selected brand scope.
  3. The displayed dispersion agrees with a separate population-variance calculation.
  4. Under every slicer selection profit equals the difference of the two evaluated measures.

Explanation

Correct Answer

B:

The highest-selling visible product ranks first within the selected brand scope. It provides the required observation for the chosen implementation: Use RANKX over the appropriate ALLSELECTED product set and Sales measure. This test addresses the stated business constraint directly.

Incorrect Answers

A:

Category shares reconcile to the selected report total under the intended visual interactions. That check would be meaningful for the separate case: A percentage measure should respect report selection but not be thrown off by one visual's own row context. It would not directly verify this scenario's selected implementation: Use RANKX over the appropriate ALLSELECTED product set and Sales measure.

C:

The displayed dispersion agrees with a separate population-variance calculation. That check would be meaningful for the separate case: A distribution summary needs the population standard deviation of all included sensor measurements. It would not directly verify this scenario's selected implementation: Use RANKX over the appropriate ALLSELECTED product set and Sales measure.

D:

Under every slicer selection profit equals the difference of the two evaluated measures. That check would be meaningful for the separate case: A profit measure needs Revenue minus Cost, both already defined as measures. It would not directly verify this scenario's selected implementation: Use RANKX over the appropriate ALLSELECTED product set and Sales measure.

Question 267

An operations model stores account balances as daily snapshots and needs the last nonblank selected date's balance. Which implementation choice most directly meets the business requirement?

  1. Use a measure that divides filtered actual sales by filtered quota at compatible grain.
  2. Create a calculated column or Power Query classification using defined thresholds.
  3. Use a suitable quick measure and inspect the generated DAX logic.
  4. Define a semi-additive closing-balance measure using LASTNONBLANK or a validated equivalent date selection.

Explanation

Correct Answer

D:

Define a semi-additive closing-balance measure using LASTNONBLANK or a validated equivalent date selection. This targets the specific requirement described for this Power BI scenario. The corresponding acceptance check is: An annual balance shows the closing snapshot rather than a sum over days.

Incorrect Answers

A:

The check for 'Use a measure that divides filtered actual sales by filtered quota at compatible grain' is 'Region and month selections produce ratios that agree with appropriately filtered totals' for A salesperson's monthly percentage of quota changes under Region filtering and must remain responsive. That does not establish 'An annual balance shows the closing snapshot rather than a sum over days'; the stated requirement calls for 'Define a semi-additive closing-balance measure using LASTNONBLANK or a validated equivalent date selection'.

B:

'Create a calculated column or Power Query classification using defined thresholds' addresses the mechanism measured by 'Rows fall into exactly one configured bucket and the field appears in the slicer' for A table needs a labeled categorical bucket for each static Amount value to support a slicer. The current outcome is 'An annual balance shows the closing snapshot rather than a sum over days' after 'Define a semi-additive closing-balance measure using LASTNONBLANK or a validated equivalent date selection', which the distractor leaves unverified.

C:

'The quick measure matches an independently checked small-date total' would demonstrate 'Use a suitable quick measure and inspect the generated DAX logic' for A business user requests an automatically generated running total formula without writing all DAX by hand, but not 'An annual balance shows the closing snapshot rather than a sum over days'. The latter requires 'Define a semi-additive closing-balance measure using LASTNONBLANK or a validated equivalent date selection' in this scenario.

Question 268

A Power BI team has selected this approach: Define a semi-additive closing-balance measure using LASTNONBLANK or a validated equivalent date selection. The original business context is: An operations model stores account balances as daily snapshots and needs the last nonblank selected date's balance. Which check would show that the solution meets its stated goal?

  1. An annual balance shows the closing snapshot rather than a sum over days.
  2. The quick measure matches an independently checked small-date total.
  3. Region and month selections produce ratios that agree with appropriately filtered totals.
  4. Rows fall into exactly one configured bucket and the field appears in the slicer.

Explanation

Correct Answer

A:

An annual balance shows the closing snapshot rather than a sum over days. It provides the required observation for the chosen implementation: Define a semi-additive closing-balance measure using LASTNONBLANK or a validated equivalent date selection. This test addresses the stated business constraint directly.

Incorrect Answers

B:

The quick measure matches an independently checked small-date total. That check would be meaningful for the separate case: A business user requests an automatically generated running total formula without writing all DAX by hand. It would not directly verify this scenario's selected implementation: Define a semi-additive closing-balance measure using LASTNONBLANK or a validated equivalent date selection.

C:

Region and month selections produce ratios that agree with appropriately filtered totals. That check would be meaningful for the separate case: A salesperson's monthly percentage of quota changes under Region filtering and must remain responsive. It would not directly verify this scenario's selected implementation: Define a semi-additive closing-balance measure using LASTNONBLANK or a validated equivalent date selection.

D:

Rows fall into exactly one configured bucket and the field appears in the slicer. That check would be meaningful for the separate case: A table needs a labeled categorical bucket for each static Amount value to support a slicer. It would not directly verify this scenario's selected implementation: Define a semi-additive closing-balance measure using LASTNONBLANK or a validated equivalent date selection.

Question 269

A stock report needs total inventory across warehouses on a single date but must not add repeated daily stock balances across time. Which approach is best aligned with the required outcome?

  1. Use CALCULATE with a status exclusion compatible with the intended filter semantics.
  2. Define a calculation item using SELECTEDMEASURE with the intended time transform.
  3. Sum stocks across warehouse dimension at the chosen date, then select a period-end date for longer intervals.
  4. Use a suitable DISTINCT or SUMMARIZE-based calculated table with proper unique keys.

Explanation

Correct Answer

C:

Sum stocks across warehouse dimension at the chosen date, then select a period-end date for longer intervals. This targets the specific requirement described for this Power BI scenario. The corresponding acceptance check is: Two warehouse balances add correctly on the last selected date without multiplying by days.

Incorrect Answers

A:

Using 'Use CALCULATE with a status exclusion compatible with the intended filter semantics' supports the result 'The measure excludes canceled rows and still responds to product and date selection' for An analyst asks for net sales excluding canceled invoices while preserving other page filters. It does not implement 'Sum stocks across warehouse dimension at the chosen date, then select a period-end date for longer intervals' or prove 'Two warehouse balances add correctly on the last selected date without multiplying by days' for this question.

B:

'Define a calculation item using SELECTEDMEASURE with the intended time transform' is validated when 'Sales and Margin both respond to the same calculation item without duplicating separate measures' for A calculation group should apply a shared Previous Year transformation to several explicit measures. It does not demonstrate 'Two warehouse balances add correctly on the last selected date without multiplying by days', which requires 'Sum stocks across warehouse dimension at the chosen date, then select a period-end date for longer intervals'.

D:

A successful 'Use a suitable DISTINCT or SUMMARIZE-based calculated table with proper unique keys' would show 'The helper table contains one row per expected region after processing' for An analyst builds a calculated table of unique Regions for a helper dimension. This case needs 'Sum stocks across warehouse dimension at the chosen date, then select a period-end date for longer intervals' and evidence that 'Two warehouse balances add correctly on the last selected date without multiplying by days', not the other outcome.

Question 270

A Power BI team has selected this approach: Sum stocks across warehouse dimension at the chosen date, then select a period-end date for longer intervals. The original business context is: A stock report needs total inventory across warehouses on a single date but must not add repeated daily stock balances across time. Which observed result would best confirm the change worked as intended?

  1. Two warehouse balances add correctly on the last selected date without multiplying by days.
  2. The helper table contains one row per expected region after processing.
  3. The measure excludes canceled rows and still responds to product and date selection.
  4. Sales and Margin both respond to the same calculation item without duplicating separate measures.

Explanation

Correct Answer

A:

Two warehouse balances add correctly on the last selected date without multiplying by days. It provides the required observation for the chosen implementation: Sum stocks across warehouse dimension at the chosen date, then select a period-end date for longer intervals. This test addresses the stated business constraint directly.

Incorrect Answers

B:

The helper table contains one row per expected region after processing. That check would be meaningful for the separate case: An analyst builds a calculated table of unique Regions for a helper dimension. It would not directly verify this scenario's selected implementation: Sum stocks across warehouse dimension at the chosen date, then select a period-end date for longer intervals.

C:

The measure excludes canceled rows and still responds to product and date selection. That check would be meaningful for the separate case: An analyst asks for net sales excluding canceled invoices while preserving other page filters. It would not directly verify this scenario's selected implementation: Sum stocks across warehouse dimension at the chosen date, then select a period-end date for longer intervals.

D:

Sales and Margin both respond to the same calculation item without duplicating separate measures. That check would be meaningful for the separate case: A calculation group should apply a shared Previous Year transformation to several explicit measures. It would not directly verify this scenario's selected implementation: Sum stocks across warehouse dimension at the chosen date, then select a period-end date for longer intervals.