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Microsoft PL-300 Bundle

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 20

Question 190

A DateKey contains an integer YYYYMMDD while the fact uses actual Date type. What should be done before the relationship?

  1. Add a contiguous Date table covering the needed reporting period.
  2. Use one unique Date value per calendar day in the date dimension.
  3. Use matching date keys or compatible transformed columns on both sides.
  4. Include fiscal year and quarter columns aligned to the July start.

Explanation

Correct Answer

C:

Use matching date keys or compatible transformed columns on both sides. Relationship columns must represent comparable values with compatible types.

Incorrect Answers

A:

Time intelligence needs a dependable date dimension with one row per day. That matters for “no valid continuous calendar exists” rather than the condition “YYYYMMDD while the fact uses actual Date type”.

B:

Duplicate dates violate the usual Date table role and relationship uniqueness. The boundary it addresses is “table contains duplicate dates due to hourly timestamps”, while this case concerns “YYYYMMDD while the fact uses actual Date type”.

D:

Fiscal attributes allow grouping by business periods rather than calendar-year defaults. The deciding difference is “A business uses fiscal years beginning in July” versus “YYYYMMDD while the fact uses actual Date type”.

Question 191

A numeric CustomerID is incorrectly summarized as Sum in a table visual. What model property should change?

  1. Configure MonthName Sort by Column using MonthNumber.
  2. Set the identifier's default summarization to Don't summarize.
  3. Set the Revenue field's model formatting as currency.
  4. Assign an appropriate geographic Data Category to the City column.

Explanation

Correct Answer

B:

Set the identifier's default summarization to Don't summarize. Identifiers should be treated as categories rather than additive measures.

Incorrect Answers

A:

A numeric sort key establishes chronological order for text month labels. The deciding difference is “sort MonthName Jan to Dec instead of alphabetically” versus “incorrectly summarized as Sum in a table visual”.

C:

Currency formatting controls display without changing its numeric storage type. That is a different operating condition from “incorrectly summarized as Sum in a table visual”: “should show an appropriate currency symbol and decimals”.

D:

Data categorization helps mapping visuals interpret location fields. It serves “is needed to disambiguate city values for geocoding”, not “incorrectly summarized as Sum in a table visual”.

Question 192

A Revenue field is stored as Decimal Number but reports should show an appropriate currency symbol and decimals. What should be configured?

  1. Set the Revenue field's model formatting as currency.
  2. Configure MonthName Sort by Column using MonthNumber.
  3. Set the identifier's default summarization to Don't summarize.
  4. Hide technical relationship keys from report view while preserving model relationships.

Explanation

Correct Answer

A:

Set the Revenue field's model formatting as currency. Currency formatting controls display without changing its numeric storage type.

Incorrect Answers

B:

A numeric sort key establishes chronological order for text month labels. The present requirement is “should show an appropriate currency symbol and decimals”; “sort MonthName Jan to Dec instead of alphabetically” is a distinct situation.

C:

Identifiers should be treated as categories rather than additive measures. That matters for “incorrectly summarized as Sum in a table visual” rather than the condition “should show an appropriate currency symbol and decimals”.

D:

Hidden columns can continue participating in relationships and calculations. The boundary it addresses is “Hide technical relationship keys from report view while”, while this case concerns “should show an appropriate currency symbol and decimals”.

Question 193

An analyst hides surrogate-key columns from the Fields pane while retaining relationships. Is that valid?

  1. Set the identifier's default summarization to Don't summarize.
  2. Hide technical relationship keys from report view while preserving model relationships.
  3. Set the Revenue field's model formatting as currency.
  4. Assign an appropriate geographic Data Category to the City column.

Explanation

Correct Answer

B:

Hide technical relationship keys from report view while preserving model relationships. Hidden columns can continue participating in relationships and calculations.

Incorrect Answers

A:

Identifiers should be treated as categories rather than additive measures. The boundary it addresses is “incorrectly summarized as Sum in a table visual”, while this case concerns “Hide technical relationship keys from report view while”.

C:

Currency formatting controls display without changing its numeric storage type. The deciding difference is “should show an appropriate currency symbol and decimals” versus “Hide technical relationship keys from report view while”.

D:

Data categorization helps mapping visuals interpret location fields. Its application is “is needed to disambiguate city values for geocoding”, not the need “Hide technical relationship keys from report view while”.

Question 194

A product field must sort MonthName Jan to Dec instead of alphabetically. What model feature fits?

  1. Configure MonthName Sort by Column using MonthNumber.
  2. Set the Revenue field's model formatting as currency.
  3. Assign an appropriate geographic Data Category to the City column.
  4. Hide technical relationship keys from report view while preserving model relationships.

Explanation

Correct Answer

A:

Configure MonthName Sort by Column using MonthNumber. A numeric sort key establishes chronological order for text month labels.

Incorrect Answers

B:

Currency formatting controls display without changing its numeric storage type. That is a different operating condition from “sort MonthName Jan to Dec instead of alphabetically”: “should show an appropriate currency symbol and decimals”.

C:

Data categorization helps mapping visuals interpret location fields. It serves “is needed to disambiguate city values for geocoding”, not “sort MonthName Jan to Dec instead of alphabetically”.

D:

Hidden columns can continue participating in relationships and calculations. The present requirement is “sort MonthName Jan to Dec instead of alphabetically”; “Hide technical relationship keys from report view while” is a distinct situation.

Question 195

A Data Category setting is needed to disambiguate city values for geocoding. What should be configured?

  1. Assign an appropriate geographic Data Category to the City column.
  2. Set the Revenue field's model formatting as currency.
  3. Hide technical relationship keys from report view while preserving model relationships.
  4. Set the identifier's default summarization to Don't summarize.

Explanation

Correct Answer

A:

Assign an appropriate geographic Data Category to the City column. Data categorization helps mapping visuals interpret location fields.

Incorrect Answers

B:

Currency formatting controls display without changing its numeric storage type. That matters for “should show an appropriate currency symbol and decimals” rather than the condition “is needed to disambiguate city values for geocoding”.

C:

Hidden columns can continue participating in relationships and calculations. The boundary it addresses is “Hide technical relationship keys from report view while”, while this case concerns “is needed to disambiguate city values for geocoding”.

D:

Identifiers should be treated as categories rather than additive measures. This solves “incorrectly summarized as Sum in a table visual”; the stated issue is “is needed to disambiguate city values for geocoding”.

Question 196

A Product dimension is split into Product, Subcategory and Category normalized tables. What schema form is this?

  1. Recognize a snowflake dimension design rather than a flat star dimension.
  2. Flatten suitable descriptive attributes into one Product dimension.
  3. Verify relationship directions and uniqueness at every hierarchy level.
  4. Build one shared Geography dimension related to both fact tables.

Explanation

Correct Answer

A:

Recognize a snowflake dimension design rather than a flat star dimension. Snowflake schemas normalize descriptive hierarchies into related lookup tables.

Incorrect Answers

B:

Denormalizing dimension attributes can simplify filter paths and performance. The deciding difference is “frequent queries traversing Product-to-Category relationships and complexity grows” versus “split into Product, Subcategory and Category normalized tables”.

C:

Multi-table lookup paths require clear unique keys and controlled filter flow. Its application is “must be related to one Sales fact”, not the need “split into Product, Subcategory and Category normalized tables”.

D:

Conformed dimensions make filters and geographical definitions consistent across facts. That is a different operating condition from “split into Product, Subcategory and Category normalized tables”: “conformed Geography dimension shared by Sales and Returns”.

Question 197

A report has frequent queries traversing Product-to-Category relationships and complexity grows. What simplification could help?

  1. Flatten suitable descriptive attributes into one Product dimension.
  2. Accept repeated descriptive attributes in a star dimension when grain and keys are correct.
  3. Recognize a snowflake dimension design rather than a flat star dimension.
  4. Build one shared Geography dimension related to both fact tables.

Explanation

Correct Answer

A:

Flatten suitable descriptive attributes into one Product dimension. Denormalizing dimension attributes can simplify filter paths and performance.

Incorrect Answers

B:

Dimension flattening trades some attribute repetition for simpler analytic queries. It serves “single descriptive Product table. Is this necessarily wrong”, not “frequent queries traversing Product-to-Category relationships and complexity grows”.

C:

Snowflake schemas normalize descriptive hierarchies into related lookup tables. The present requirement is “frequent queries traversing Product-to-Category relationships and complexity grows”; “split into Product, Subcategory and Category normalized tables” is a distinct situation.

D:

Conformed dimensions make filters and geographical definitions consistent across facts. That matters for “conformed Geography dimension shared by Sales and Returns” rather than the condition “frequent queries traversing Product-to-Category relationships and complexity grows”.

Question 198

A model contains duplicated Category names across Product rows but uses a single descriptive Product table. Is this necessarily wrong?

  1. Recognize a snowflake dimension design rather than a flat star dimension.
  2. Build one shared Geography dimension related to both fact tables.
  3. Verify relationship directions and uniqueness at every hierarchy level.
  4. Accept repeated descriptive attributes in a star dimension when grain and keys are correct.

Explanation

Correct Answer

D:

Accept repeated descriptive attributes in a star dimension when grain and keys are correct. Dimension flattening trades some attribute repetition for simpler analytic queries.

Incorrect Answers

A:

Snowflake schemas normalize descriptive hierarchies into related lookup tables. That matters for “split into Product, Subcategory and Category normalized tables” rather than the condition “single descriptive Product table. Is this necessarily wrong”.

B:

Conformed dimensions make filters and geographical definitions consistent across facts. The boundary it addresses is “conformed Geography dimension shared by Sales and Returns”, while this case concerns “single descriptive Product table. Is this necessarily wrong”.

C:

Multi-table lookup paths require clear unique keys and controlled filter flow. This solves “must be related to one Sales fact”; the stated issue is “single descriptive Product table. Is this necessarily wrong”.

Question 199

A source ERP supplies a snowflake hierarchy that must be related to one Sales fact. What should be checked?

  1. Verify relationship directions and uniqueness at every hierarchy level.
  2. Flatten suitable descriptive attributes into one Product dimension.
  3. Accept repeated descriptive attributes in a star dimension when grain and keys are correct.
  4. Recognize a snowflake dimension design rather than a flat star dimension.

Explanation

Correct Answer

A:

Verify relationship directions and uniqueness at every hierarchy level. Multi-table lookup paths require clear unique keys and controlled filter flow.

Incorrect Answers

B:

Denormalizing dimension attributes can simplify filter paths and performance. Its application is “frequent queries traversing Product-to-Category relationships and complexity grows”, not the need “must be related to one Sales fact”.

C:

Dimension flattening trades some attribute repetition for simpler analytic queries. That is a different operating condition from “must be related to one Sales fact”: “single descriptive Product table. Is this necessarily wrong”.

D:

Snowflake schemas normalize descriptive hierarchies into related lookup tables. It serves “split into Product, Subcategory and Category normalized tables”, not “must be related to one Sales fact”.

Question 200

A model needs a single conformed Geography dimension shared by Sales and Returns. What design fits?

  1. Flatten suitable descriptive attributes into one Product dimension.
  2. Build one shared Geography dimension related to both fact tables.
  3. Verify relationship directions and uniqueness at every hierarchy level.
  4. Accept repeated descriptive attributes in a star dimension when grain and keys are correct.

Explanation

Correct Answer

B:

Build one shared Geography dimension related to both fact tables. Conformed dimensions make filters and geographical definitions consistent across facts.

Incorrect Answers

A:

Denormalizing dimension attributes can simplify filter paths and performance. It serves “frequent queries traversing Product-to-Category relationships and complexity grows”, not “conformed Geography dimension shared by Sales and Returns”.

C:

Multi-table lookup paths require clear unique keys and controlled filter flow. That matters for “must be related to one Sales fact” rather than the condition “conformed Geography dimension shared by Sales and Returns”.

D:

Dimension flattening trades some attribute repetition for simpler analytic queries. The boundary it addresses is “single descriptive Product table. Is this necessarily wrong”, while this case concerns “conformed Geography dimension shared by Sales and Returns”.