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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 4

Question 30

An analyst wants a dropdown of valid regions at report consumption time, not a refresh-time source parameter. Which feature is correct?

  1. Define a text parameter for the server name and reference it in the connection.
  2. Configure RangeStart and RangeEnd Date/Time parameters for refresh filtering.
  3. Define a date parameter and apply it to relevant query filters.
  4. Use a report slicer over a Region field rather than an M query parameter.

Explanation

Correct Answer

D:

Use a report slicer over a Region field rather than an M query parameter. Slicers change visual filter context, while Power Query parameters generally shape loaded data.

Incorrect Answers

A:

A parameter centralizes configuration that can change by environment. That matters for “development and production without rewriting every Source step” rather than the condition “report consumption time, not a refresh-time source parameter”.

B:

Those names drive partition-aware time window filtering for incremental refresh. The boundary it addresses is “incremental-refresh configuration uses two specially named datetime boundaries”, while this case concerns “report consumption time, not a refresh-time source parameter”.

C:

A reusable date parameter avoids hard-coded cutoffs scattered across M steps. This solves “a rolling date cutoff used by several queries”; the stated issue is “report consumption time, not a refresh-time source parameter”.

Question 31

A Direct Lake on SQL semantic model encounters an unsupported SQL view and may become slower. What behavior explains this?

  1. Explain that Direct Lake on OneLake does not use DirectQuery fallback.
  2. Create a live-connected report with Build permission on that semantic model.
  3. Reframe or refresh the Direct Lake semantic model as required by its update settings.
  4. Check whether Direct Lake on SQL has fallen back to DirectQuery.

Explanation

Correct Answer

D:

Check whether Direct Lake on SQL has fallen back to DirectQuery. Certain unsupported source features can force SQL endpoint queries when fallback is allowed.

Incorrect Answers

A:

The OneLake variant operates without the SQL analytics endpoint fallback path. The deciding difference is “OneLake and expects the same SQL DirectQuery fallback” versus “an unsupported SQL view and may become slower”.

B:

Reports query an existing semantic model independent of its underlying storage mode. Its application is “Direct Lake semantic model without modifying its tables”, not the need “an unsupported SQL view and may become slower”.

C:

Metadata framing determines the Delta data snapshot visible to the model. That is a different operating condition from “an unsupported SQL view and may become slower”: “snapshot to incorporate them without updating its frame”.

Question 32

A team selects Direct Lake on OneLake and expects the same SQL DirectQuery fallback. What should be clarified?

  1. Use DirectLakeOnly behavior for a Direct Lake on SQL model during diagnostics.
  2. Reframe or refresh the Direct Lake semantic model as required by its update settings.
  3. Explain that Direct Lake on OneLake does not use DirectQuery fallback.
  4. Check whether Direct Lake on SQL has fallen back to DirectQuery.

Explanation

Correct Answer

C:

Explain that Direct Lake on OneLake does not use DirectQuery fallback. The OneLake variant operates without the SQL analytics endpoint fallback path.

Incorrect Answers

A:

This mode exposes unsupported conditions rather than silently using DirectQuery. It serves “fail during testing instead of quietly falling back”, not “OneLake and expects the same SQL DirectQuery fallback”.

B:

Metadata framing determines the Delta data snapshot visible to the model. The present requirement is “OneLake and expects the same SQL DirectQuery fallback”; “snapshot to incorporate them without updating its frame” is a distinct situation.

D:

Certain unsupported source features can force SQL endpoint queries when fallback is allowed. The boundary it addresses is “an unsupported SQL view and may become slower”, while this case concerns “OneLake and expects the same SQL DirectQuery fallback”.

Question 33

An engineer wants unsupported Direct Lake queries to fail during testing instead of quietly falling back. Which setting fits?

  1. Use DirectLakeOnly behavior for a Direct Lake on SQL model during diagnostics.
  2. Reframe or refresh the Direct Lake semantic model as required by its update settings.
  3. Check whether Direct Lake on SQL has fallen back to DirectQuery.
  4. Create a live-connected report with Build permission on that semantic model.

Explanation

Correct Answer

A:

Use DirectLakeOnly behavior for a Direct Lake on SQL model during diagnostics. This mode exposes unsupported conditions rather than silently using DirectQuery.

Incorrect Answers

B:

Metadata framing determines the Delta data snapshot visible to the model. This solves “snapshot to incorporate them without updating its frame”; the stated issue is “fail during testing instead of quietly falling back”.

C:

Certain unsupported source features can force SQL endpoint queries when fallback is allowed. The deciding difference is “an unsupported SQL view and may become slower” versus “fail during testing instead of quietly falling back”.

D:

Reports query an existing semantic model independent of its underlying storage mode. Its application is “Direct Lake semantic model without modifying its tables”, not the need “fail during testing instead of quietly falling back”.

Question 34

An analyst edits Delta tables and expects a fixed model snapshot to incorporate them without updating its frame. What action may be needed?

  1. Explain that Direct Lake on OneLake does not use DirectQuery fallback.
  2. Create a live-connected report with Build permission on that semantic model.
  3. Use DirectLakeOnly behavior for a Direct Lake on SQL model during diagnostics.
  4. Reframe or refresh the Direct Lake semantic model as required by its update settings.

Explanation

Correct Answer

D:

Reframe or refresh the Direct Lake semantic model as required by its update settings. Metadata framing determines the Delta data snapshot visible to the model.

Incorrect Answers

A:

The OneLake variant operates without the SQL analytics endpoint fallback path. Its application is “OneLake and expects the same SQL DirectQuery fallback”, not the need “snapshot to incorporate them without updating its frame”.

B:

Reports query an existing semantic model independent of its underlying storage mode. That is a different operating condition from “snapshot to incorporate them without updating its frame”: “Direct Lake semantic model without modifying its tables”.

C:

This mode exposes unsupported conditions rather than silently using DirectQuery. It serves “fail during testing instead of quietly falling back”, not “snapshot to incorporate them without updating its frame”.

Question 35

An author needs to create a thin report on a published Direct Lake semantic model without modifying its tables. Which connection suffices?

  1. Create a live-connected report with Build permission on that semantic model.
  2. Check whether Direct Lake on SQL has fallen back to DirectQuery.
  3. Use DirectLakeOnly behavior for a Direct Lake on SQL model during diagnostics.
  4. Explain that Direct Lake on OneLake does not use DirectQuery fallback.

Explanation

Correct Answer

A:

Create a live-connected report with Build permission on that semantic model. Reports query an existing semantic model independent of its underlying storage mode.

Incorrect Answers

B:

Certain unsupported source features can force SQL endpoint queries when fallback is allowed. That matters for “an unsupported SQL view and may become slower” rather than the condition “Direct Lake semantic model without modifying its tables”.

C:

This mode exposes unsupported conditions rather than silently using DirectQuery. The boundary it addresses is “fail during testing instead of quietly falling back”, while this case concerns “Direct Lake semantic model without modifying its tables”.

D:

The OneLake variant operates without the SQL analytics endpoint fallback path. This solves “OneLake and expects the same SQL DirectQuery fallback”; the stated issue is “Direct Lake semantic model without modifying its tables”.

Question 36

A SQL connector can browse a database but fails when reading a particular table. What should be examined?

  1. Verify source-level SELECT permission for the requested database object.
  2. Adjust the text file encoding during source import.
  3. Implement throttling/backoff within supported connector and API limits.
  4. Revise the affected Power Query step that references the old column name.

Explanation

Correct Answer

A:

Verify source-level SELECT permission for the requested database object. Successful sign-in does not guarantee permissions on every underlying table.

Incorrect Answers

B:

Encoding mismatch corrupts characters without necessarily changing column structure. The deciding difference is “garbled accented names despite correct rows and delimiter” versus “reading a particular table”.

C:

Implement throttling/backoff within supported connector and API limits. Its application is “HTTP 429 for repeated Power Query refresh requests”, not the need “reading a particular table”.

D:

A renamed source column no longer matches Applied Steps. That is a different operating condition from “reading a particular table”: “renamed source column no longer matches Applied Steps”.

Question 37

A REST source intermittently returns HTTP 429 for repeated Power Query refresh requests. What does that signal?

  1. Revise the affected Power Query step that references the old column name.
  2. Implement throttling/backoff within supported connector and API limits.
  3. Connect to the SharePoint source directly with its supported connector.
  4. Verify source-level SELECT permission for the requested database object.

Explanation

Correct Answer

B:

Implement throttling/backoff within supported connector and API limits. HTTP 429 indicates rate limiting, not an invalid DAX relationship.

Incorrect Answers

A:

A renamed source column no longer matches Applied Steps. That is a different operating condition from “HTTP 429 for repeated Power Query refresh requests”: “renamed source column no longer matches Applied Steps”.

C:

A cloud SharePoint connection avoids dependence on the author's local sync directory. The present requirement is “HTTP 429 for repeated Power Query refresh requests”; “uses a path to a local synchronized copy” is a distinct situation.

D:

Successful sign-in does not guarantee permissions on every underlying table. That matters for “reading a particular table” rather than the condition “HTTP 429 for repeated Power Query refresh requests”.

Question 38

A CSV import displays garbled accented names despite correct rows and delimiter. What setting is most likely wrong?

  1. Adjust the text file encoding during source import.
  2. Connect to the SharePoint source directly with its supported connector.
  3. Implement throttling/backoff within supported connector and API limits.
  4. Verify source-level SELECT permission for the requested database object.

Explanation

Correct Answer

A:

Adjust the text file encoding during source import. Encoding mismatch corrupts characters without necessarily changing column structure.

Incorrect Answers

B:

A cloud SharePoint connection avoids dependence on the author's local sync directory. The boundary it addresses is “uses a path to a local synchronized copy”, while this case concerns “garbled accented names despite correct rows and delimiter”.

C:

Implement throttling/backoff within supported connector and API limits. This solves “HTTP 429 for repeated Power Query refresh requests”; the stated issue is “garbled accented names despite correct rows and delimiter”.

D:

Successful sign-in does not guarantee permissions on every underlying table. The deciding difference is “reading a particular table” versus “garbled accented names despite correct rows and delimiter”.

Question 39

An analyst points Power Query to a SharePoint folder but uses a path to a local synchronized copy. How can sharing be improved?

  1. Verify source-level SELECT permission for the requested database object.
  2. Implement throttling/backoff within supported connector and API limits.
  3. Revise the affected Power Query step that references the old column name.
  4. Connect to the SharePoint source directly with its supported connector.

Explanation

Correct Answer

D:

Connect to the SharePoint source directly with its supported connector. A cloud SharePoint connection avoids dependence on the author's local sync directory.

Incorrect Answers

A:

Successful sign-in does not guarantee permissions on every underlying table. The deciding difference is “reading a particular table” versus “uses a path to a local synchronized copy”.

B:

Implement throttling/backoff within supported connector and API limits. Its application is “HTTP 429 for repeated Power Query refresh requests”, not the need “uses a path to a local synchronized copy”.

C:

A renamed source column no longer matches Applied Steps. That is a different operating condition from “uses a path to a local synchronized copy”: “renamed source column no longer matches Applied Steps”.

Question 40

A cloud refresh fails because a renamed source column no longer matches Applied Steps. What is the likely fix?

  1. Revise the affected Power Query step that references the old column name.
  2. Verify source-level SELECT permission for the requested database object.
  3. Connect to the SharePoint source directly with its supported connector.
  4. Implement throttling/backoff within supported connector and API limits.

Explanation

Correct Answer

A:

Revise the affected Power Query step that references the old column name. A renamed source column no longer matches Applied Steps.

Incorrect Answers

B:

Successful sign-in does not guarantee permissions on every underlying table. The present requirement is “renamed source column no longer matches Applied Steps”; “reading a particular table” is a distinct situation.

C:

A cloud SharePoint connection avoids dependence on the author's local sync directory. That matters for “uses a path to a local synchronized copy” rather than the condition “renamed source column no longer matches Applied Steps”.

D:

Implement throttling/backoff within supported connector and API limits. The boundary it addresses is “HTTP 429 for repeated Power Query refresh requests”, while this case concerns “renamed source column no longer matches Applied Steps”.