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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 3

Question 20

A gateway is installed but refresh fails because the mapped SQL data source name differs from the published model. What should be checked?

  1. Connect directly from Power BI service without adding an on-premises gateway.
  2. Match the gateway data source connection details and credentials to the semantic model.
  3. Install and configure an on-premises data gateway with access to that SQL Server.
  4. Use a standard on-premises data gateway managed by the team.

Explanation

Correct Answer

B:

Match the gateway data source connection details and credentials to the semantic model. Gateway mapping depends on consistent connection configuration, not merely installation.

Incorrect Answers

A:

A gateway is not automatically necessary for supported reachable cloud data sources. This solves “with cloud credentials and no private network restriction”; the stated issue is “data source name differs from the published model”.

C:

The gateway securely relays cloud requests to private network data sources. Its application is “Server is inaccessible from Power BI's cloud service”, not the need “data source name differs from the published model”.

D:

Standard mode supports shared data sources and centralized gateway management. That is a different operating condition from “data source name differs from the published model”: “centralized, shared connectivity for multiple scheduled-refresh semantic models”.

Question 21

A private HR dataset must not be combined in a way that leaks its rows into an unrelated public query. Which setting matters?

  1. Assign an appropriate Private privacy level to the sensitive source.
  2. Configure the appropriate credentials for the new owner or refresh identity.
  3. Mark the open source Public when its content is genuinely non-sensitive.
  4. Review each source's privacy level and redesign the combination without disabling safeguards.

Explanation

Correct Answer

A:

Assign an appropriate Private privacy level to the sensitive source. Power Query privacy levels help govern how source data can be combined.

Incorrect Answers

B:

File sharing does not transfer personal data-source credentials to another account. It serves “source refuses to authenticate under the colleague's identity”, not “leaks its rows into an unrelated public query”.

C:

Public identifies data that can be combined without private-source confidentiality assumptions. The present requirement is “leaks its rows into an unrelated public query”; “site is freely available without a confidentiality requirement” is a distinct situation.

D:

Correct source classification and query architecture are safer than globally ignoring privacy errors. That matters for “joining sources with incompatible levels” rather than the condition “leaks its rows into an unrelated public query”.

Question 22

Two approved internal systems can be combined under the same organizational boundary. Which privacy designation may be appropriate?

  1. Review each source's privacy level and redesign the combination without disabling safeguards.
  2. Assign an appropriate Private privacy level to the sensitive source.
  3. Use the Organizational privacy level for trusted corporate sources.
  4. Mark the open source Public when its content is genuinely non-sensitive.

Explanation

Correct Answer

C:

Use the Organizational privacy level for trusted corporate sources. Organizational privacy permits bounded combination within an enterprise trust boundary.

Incorrect Answers

A:

Correct source classification and query architecture are safer than globally ignoring privacy errors. That matters for “joining sources with incompatible levels” rather than the condition “can be combined under the same organizational boundary”.

B:

Power Query privacy levels help govern how source data can be combined. The boundary it addresses is “leaks its rows into an unrelated public query”, while this case concerns “can be combined under the same organizational boundary”.

D:

Public identifies data that can be combined without private-source confidentiality assumptions. The deciding difference is “site is freely available without a confidentiality requirement” versus “can be combined under the same organizational boundary”.

Question 23

A published open-data site is freely available without a confidentiality requirement. Which privacy designation reflects that source?

  1. Assign an appropriate Private privacy level to the sensitive source.
  2. Mark the open source Public when its content is genuinely non-sensitive.
  3. Configure the appropriate credentials for the new owner or refresh identity.
  4. Review each source's privacy level and redesign the combination without disabling safeguards.

Explanation

Correct Answer

B:

Mark the open source Public when its content is genuinely non-sensitive. Public identifies data that can be combined without private-source confidentiality assumptions.

Incorrect Answers

A:

Power Query privacy levels help govern how source data can be combined. The deciding difference is “leaks its rows into an unrelated public query” versus “site is freely available without a confidentiality requirement”.

C:

File sharing does not transfer personal data-source credentials to another account. That is a different operating condition from “site is freely available without a confidentiality requirement”: “source refuses to authenticate under the colleague's identity”.

D:

Correct source classification and query architecture are safer than globally ignoring privacy errors. It serves “joining sources with incompatible levels”, not “site is freely available without a confidentiality requirement”.

Question 24

A privacy firewall appears when joining sources with incompatible levels. What is the first corrective step?

  1. Assign an appropriate Private privacy level to the sensitive source.
  2. Review each source's privacy level and redesign the combination without disabling safeguards.
  3. Configure the appropriate credentials for the new owner or refresh identity.
  4. Mark the open source Public when its content is genuinely non-sensitive.

Explanation

Correct Answer

B:

Review each source's privacy level and redesign the combination without disabling safeguards. Correct source classification and query architecture are safer than globally ignoring privacy errors.

Incorrect Answers

A:

Power Query privacy levels help govern how source data can be combined. It serves “leaks its rows into an unrelated public query”, not “joining sources with incompatible levels”.

C:

File sharing does not transfer personal data-source credentials to another account. That matters for “source refuses to authenticate under the colleague's identity” rather than the condition “joining sources with incompatible levels”.

D:

Public identifies data that can be combined without private-source confidentiality assumptions. The boundary it addresses is “site is freely available without a confidentiality requirement”, while this case concerns “joining sources with incompatible levels”.

Question 25

A colleague shares a PBIX but the external source refuses to authenticate under the colleague's identity. What is required?

  1. Review each source's privacy level and redesign the combination without disabling safeguards.
  2. Use the Organizational privacy level for trusted corporate sources.
  3. Configure the appropriate credentials for the new owner or refresh identity.
  4. Mark the open source Public when its content is genuinely non-sensitive.

Explanation

Correct Answer

C:

Configure the appropriate credentials for the new owner or refresh identity. File sharing does not transfer personal data-source credentials to another account.

Incorrect Answers

A:

Correct source classification and query architecture are safer than globally ignoring privacy errors. The boundary it addresses is “joining sources with incompatible levels”, while this case concerns “source refuses to authenticate under the colleague's identity”.

B:

Organizational privacy permits bounded combination within an enterprise trust boundary. This solves “can be combined under the same organizational boundary”; the stated issue is “source refuses to authenticate under the colleague's identity”.

D:

Public identifies data that can be combined without private-source confidentiality assumptions. Its application is “site is freely available without a confidentiality requirement”, not the need “source refuses to authenticate under the colleague's identity”.

Question 26

A deployment must switch SQL server names between development and production without rewriting every Source step. What helps?

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

Explanation

Correct Answer

B:

Define a text parameter for the server name and reference it in the connection. A parameter centralizes configuration that can change by environment.

Incorrect Answers

A:

A reusable date parameter avoids hard-coded cutoffs scattered across M steps. Its application is “a rolling date cutoff used by several queries”, not the need “development and production without rewriting every Source step”.

C:

Those names drive partition-aware time window filtering for incremental refresh. It serves “incremental-refresh configuration uses two specially named datetime boundaries”, not “development and production without rewriting every Source step”.

D:

Slicers change visual filter context, while Power Query parameters generally shape loaded data. The present requirement is “development and production without rewriting every Source step”; “report consumption time, not a refresh-time source parameter” is a distinct situation.

Question 27

A data analyst tests reports for a rolling date cutoff used by several queries. How should it be controlled?

  1. Parameterize the relative path and retain a governed stable source root.
  2. Define a text parameter for the server name and reference it in the connection.
  3. Configure RangeStart and RangeEnd Date/Time parameters for refresh filtering.
  4. Define a date parameter and apply it to relevant query filters.

Explanation

Correct Answer

D:

Define a date parameter and apply it to relevant query filters. A reusable date parameter avoids hard-coded cutoffs scattered across M steps.

Incorrect Answers

A:

Relative-path parameters support portability without changing connector origins repeatedly. The present requirement is “a rolling date cutoff used by several queries”; “file path while keeping a stable base location” is a distinct situation.

B:

A parameter centralizes configuration that can change by environment. That matters for “development and production without rewriting every Source step” rather than the condition “a rolling date cutoff used by several queries”.

C:

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 “a rolling date cutoff used by several queries”.

Question 28

An incremental-refresh configuration uses two specially named datetime boundaries. What are their names?

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

Explanation

Correct Answer

D:

Configure RangeStart and RangeEnd Date/Time parameters for refresh filtering. Those names drive partition-aware time window filtering for incremental refresh.

Incorrect Answers

A:

A parameter centralizes configuration that can change by environment. This solves “development and production without rewriting every Source step”; the stated issue is “incremental-refresh configuration uses two specially named datetime boundaries”.

B:

A reusable date parameter avoids hard-coded cutoffs scattered across M steps. The deciding difference is “a rolling date cutoff used by several queries” versus “incremental-refresh configuration uses two specially named datetime boundaries”.

C:

Slicers change visual filter context, while Power Query parameters generally shape loaded data. Its application is “report consumption time, not a refresh-time source parameter”, not the need “incremental-refresh configuration uses two specially named datetime boundaries”.

Question 29

A source connector takes a dynamic relative file path while keeping a stable base location. Which approach is best?

  1. Define a text parameter for the server name and reference it in the connection.
  2. Define a date parameter and apply it to relevant query filters.
  3. Configure RangeStart and RangeEnd Date/Time parameters for refresh filtering.
  4. Parameterize the relative path and retain a governed stable source root.

Explanation

Correct Answer

D:

Parameterize the relative path and retain a governed stable source root. Relative-path parameters support portability without changing connector origins repeatedly.

Incorrect Answers

A:

A parameter centralizes configuration that can change by environment. That is a different operating condition from “file path while keeping a stable base location”: “development and production without rewriting every Source step”.

B:

A reusable date parameter avoids hard-coded cutoffs scattered across M steps. It serves “a rolling date cutoff used by several queries”, not “file path while keeping a stable base location”.

C:

Those names drive partition-aware time window filtering for incremental refresh. The present requirement is “file path while keeping a stable base location”; “incremental-refresh configuration uses two specially named datetime boundaries” is a distinct situation.

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”.