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Microsoft PL-300 Practice Test 78

Question 770

A report migrates identities to new UPNs and dynamic RLS unexpectedly shows no rows. Which implementation best addresses this scenario?

  1. Model security membership bridge and filter through verified relationships.
  2. Reconcile UPN mappings in the security table and test effective identities.
  3. Implement semantic-model RLS rather than relying on a removable slicer.
  4. Implement dynamic RLS using USERPRINCIPALNAME and a validated manager access table.

Explanation

Correct Answer

B:

Dynamic RLS depends on exact identity resolution to the permitted mapping; this helps fix changed viewer identity matches.

Incorrect Answers

A:

Membership mapping handles many permitted values per user without hard-coded filters. It would address variable multi-center row security, not fix changed viewer identity matches.

C:

Report filters are presentation controls, not authorization boundaries. It may suit enforce security beyond slicer selections, not fix changed viewer identity matches.

D:

Dynamic security maps the viewing identity to current permitted customer rows. It is useful for identity-driven customer entitlements, not for fixing changed viewer identity matches.

Question 771

A contractor should be removed from a dynamic RLS access mapping after their assignment ends. What is the best method for this analysis requirement?

  1. Assign the security group to the semantic model's RLS role.
  2. Assign published users to service RLS roles and verify effective access.
  3. Remove their authorized mapping row and validate downstream access.
  4. Review multi-role membership and redesign role assignments for required restrictions.

Explanation

Correct Answer

C:

Security mappings should follow lifecycle changes to avoid stale row entitlements, supporting revoke row access after contractor end.

Incorrect Answers

A:

RLS role membership determines whose queries receive the corresponding filters. It is useful for activate role security for approved group, not for revoke row access after contractor end.

B:

Desktop role testing does not itself enroll service principals or users in a role. Its scope is enforce RLS in published model, not revoke row access after contractor end.

D:

Power BI RLS filters can be additive across roles rather than combining as an intersection. It would address prevent unintended expansion from multiple roles, not revoke row access after contractor end.

Question 772

A team gives a sensitive report consumer Contributor workspace role and expects RLS to restrict them. Which implementation best addresses this scenario?

  1. Separate protected HR data into an appropriately secured model or workspace rather than relying on RLS alone for editors.
  2. Grant an appropriate Viewer or app consumption permission with RLS role assignment.
  3. Test as the target role with View As and verified service user identities.
  4. Remove the elevated authoring role and grant suitable read-only access.

Explanation

Correct Answer

D:

Admin, Member and Contributor roles can bypass RLS filtering on items they can edit; this helps avoid RLS bypass through author privilege.

Incorrect Answers

A:

Privileged model roles are not constrained by ordinary consumer RLS. It would address protect sensitive data from model authors, not avoid RLS bypass through author privilege.

B:

RLS is enforced for eligible consumers rather than privileged workspace editors. That targets preserve RLS for ordinary report consumer, not avoid RLS bypass through author privilege.

C:

Edit-capable workspace roles are not reliable proxies for restricted Viewer experience. It may suit accurately test viewer RLS, not avoid RLS bypass through author privilege.

Question 773

A sensitive model's Build rights were broadly granted to everyone in the tenant by accident. What is the best method for this analysis requirement?

  1. Restrict Build permission to explicitly authorized author groups.
  2. Review semantic model permission assignments, including Build recipients.
  3. Grant eligible Build permission on the semantic model.
  4. Grant Read or app viewer access without unnecessary Build permission.

Explanation

Correct Answer

A:

Model Build can enable additional content creation and exploration beyond simple viewing, supporting limit downstream data modeling access.

Incorrect Answers

B:

Build permission inventory identifies allowed downstream authors. Its scope is enumerate authorized model builders, not limit downstream data modeling access.

C:

Build permission allows authorized users to create related content from the model. That is meant for authorized shared model report creation, not limit downstream data modeling access.

D:

Consumption generally needs less privilege than report authoring. It would address read-only report consumption privilege, not limit downstream data modeling access.

Question 774

An app link is forwarded to an unauthorized recipient who lacks tenant model permission. Which implementation best addresses this scenario?

  1. Configure separate app audiences with appropriate item visibility.
  2. Keep effective permissions restricted and rely on authorization checks instead of link secrecy.
  3. Grant the minimum applicable semantic model rights required for app consumption.
  4. Enforce data authorization through semantic model permissions and RLS, not app visibility alone.

Explanation

Correct Answer

B:

URLs do not themselves grant underlying report access when governed correctly; this helps prevent access from forwarded app link.

Incorrect Answers

A:

Audiences tailor which reports are delivered without unnecessarily duplicating a model. It would address department-specific app content, not prevent access from forwarded app link.

C:

Underlying item authorization remains relevant to report use. It may suit resolve underlying model access dependency, not prevent access from forwarded app link.

D:

App audiences control content navigation, not every possible underlying model access path. It is useful for protecting data beyond app audience display, not for preventing access from forwarded app link.

Question 775

A team uses a public dashboard but mistakenly labels the source as Public despite confidential raw details. What is the best method for this analysis requirement?

  1. Apply the approved Microsoft Purview sensitivity labels to supported Power BI items.
  2. Review sensitivity-label propagation and export restrictions for that format.
  3. Correct classification and restrict access before any public distribution.
  4. Update or request the proper sensitivity-label publishing policy.

Explanation

Correct Answer

C:

Labels and item permission must match real source sensitivity; this helps avoid misclassification of confidential report.

Incorrect Answers

A:

Sensitivity labels classify and may protect Power BI content under integrated policies. It is useful for label sensitive analytics content, not for avoiding misclassification of confidential report.

B:

Label integration can carry classification to supported Power BI exports. Its scope is protection-aware governed export, not avoid misclassification of confidential report.

D:

Label availability is controlled through scoped policy assignments. It would address make governed labels available to eligible authors, not avoid misclassification of confidential report.

Question 776

A confidential dashboard link was copied into an all-staff chat without granting access permissions. Which implementation best addresses this scenario?

  1. Configure approved guest item access and required cross-tenant settings.
  2. Share the report with appropriate item-level read permission.
  3. Assign narrowly scoped report editing rights where supported.
  4. Keep report access restricted to named authorized principals.

Explanation

Correct Answer

D:

Permission enforcement governs access regardless of whether a link is known; this helps secure report despite widely shared URL.

Incorrect Answers

A:

Scoped sharing supports partner consumption without broad workspace rights. It would address limited authenticated external report view, not secure report despite widely shared URL.

B:

Item-level grants can limit exposure compared with whole-workspace membership. That targets narrowly scoped report consumption, not secure report despite widely shared URL.

C:

Item-level authoring permissions can separate report changes from model administration. It may suit report-only editing entitlement, not secure report despite widely shared URL.

Question 777

A model uses RLS to restrict rows but users can still discover sensitive columns they should not query. What is the best method for this analysis requirement?

  1. Add appropriate OLS for sensitive columns in addition to RLS where supported.
  2. Implement region RLS rather than unnecessary object-level restrictions.
  3. Configure object-level security on protected salary columns where supported.
  4. Configure an OLS role restricting the protected table where supported.

Explanation

Correct Answer

A:

RLS restricts row visibility; OLS restricts model objects, supporting separate row and object authorization.

Incorrect Answers

B:

RLS addresses record filtering without hiding legitimate fields. Its scope is restrict region data at row level, not separate row and object authorization.

C:

OLS hides selected model objects from unauthorized principals. That is meant for deny access to salary field metadata and values, not separate row and object authorization.

D:

Table-level OLS can prevent access to a sensitive model object. It would address hide confidential model table, not separate row and object authorization.

Question 778

A B2B report viewer cannot access content despite being invited, because tenant policy blocks external sharing. Which implementation best addresses this scenario?

  1. Prohibit Publish to web and use authenticated sharing.
  2. Resolve approved tenant and item external-sharing settings without broad global exceptions.
  3. Revoke guest report/model permissions and review shared content access.
  4. Use supported authenticated external report sharing with explicit guest permissions.

Explanation

Correct Answer

B:

External access depends on both tenant policies and the item's permitted audience; this helps correct guest access policy mismatch.

Incorrect Answers

A:

Public embeds expose data without identity verification, unsuitable for private records. It would address prevent anonymous disclosure of customer data, not correct guest access policy mismatch.

C:

Access lifecycle must remove no-longer-justified external entitlements. It may suit expire completed partner report sharing, not correct guest access policy mismatch.

D:

B2B sharing can enforce organization policies for external principals. It is useful for authorized partner Power BI consumption, not for correcting guest access policy mismatch.

Question 779

Management needs a time-series overview of report view counts by business users, not detailed permission history. What is the best method for this analysis requirement?

  1. Search supported Microsoft Purview audit events for the relevant Power BI activity.
  2. Review applicable Power BI item activity and refresh history.
  3. Use supported Power BI usage metrics or adoption reporting.
  4. Query appropriate audited export events where available and retained.

Explanation

Correct Answer

C:

Usage telemetry describes report consumption rather than administrative modifications; this helps measure report adoption over time.

Incorrect Answers

A:

Audit events attribute supported sharing and administrative operations. It is useful for auditing report permission changes, not for measuring report adoption over time.

B:

Configuration and refresh records help attribute source of service state changes. Its scope is investigate refresh configuration change, not measure report adoption over time.

D:

Audit logs can support accountability for approved or suspicious content export. It would address trace sensitive report export activity, not measure report adoption over time.

Question 780

A data source enforces read-only query access, but the gateway identity was configured with database administrator rights. Which implementation best addresses this scenario?

  1. Reinstate approved network segmentation and connection allowlists.
  2. Replace the personal credentials with an approved service-owned connection identity.
  3. Deny credential disclosure and manage gateway permissions through scoped roles.
  4. Restrict the gateway connection to least-privileged read permissions.

Explanation

Correct Answer

D:

Minimal source privileges reduce risk of refresh credential compromise; this helps prevent overprivileged refresh source access.

Incorrect Answers

A:

Network controls restrict private-source access beyond semantic model roles. It would address defend private data source connectivity, not prevent overprivileged refresh source access.

B:

Managed source identities improve continuity and reduce orphaned credentials. That targets accountable gateway credential ownership, not prevent overprivileged refresh source access.

C:

Gateway credential secrets are not ordinary report-consumption data. It may suit protect data source secrets from readers, not prevent overprivileged refresh source access.


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