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Last Update: Oct 06, 2026

AB-900 PDF Study Guide: 314 Pages

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Microsoft AB-900 Practice Test 43

Question 420

Governance officers need a view of labeled confidential files as part of site exposure assessment. Which approach solves the stated need?

  1. Run a SharePoint data access governance sharing links activity report.
  2. Run the data access governance broad-internal-sharing report.
  3. Generate the data access governance site permissions snapshot report where eligible.
  4. Review applicable data access governance file sensitivity label reporting.

Explanation

Correct Answer

D:

Classification snapshot reporting relates protected content to site-level exposure. This directly addresses classification-aware site exposure.

Incorrect Answers

A:

Link activity reports flag sites with frequent broad sharing link creation. That addresses recent anonymous sharing link exposure, whereas the current case requires classification-aware site exposure.

B:

Broad internal access can expose files beyond a business need. It is used for widespread internal file visibility; this scenario calls for classification-aware site exposure.

C:

Permission snapshots describe a site's current effective permission footprint. That addresses point-in-time site permission breadth, whereas the current case requires classification-aware site exposure.

Question 421

An executive asks which new link shared a private file externally yesterday. Which Microsoft 365 capability is MOST appropriate?

  1. Inspect sharing link activity and applicable SharePoint audit or change history.
  2. Configure SharePoint restricted access control for the finance site.
  3. Start with a SharePoint data access governance report.
  4. Remove excessive file and site permissions after business-owner review.

Explanation

Correct Answer

A:

Events and permission changes show how unintended sharing arose. This directly addresses forensic link-creation attribution.

Incorrect Answers

B:

RAC imposes an additional group boundary on access to a site. It would support explicit group-only site access despite old links, not the stated forensic link-creation attribution.

C:

Reports detect access risk before a remediation decision is made. Its purpose is assessment before disruptive restriction; the specified need is forensic link-creation attribution.

D:

Direct permission cleanup addresses who can actually read content. It would support removal of unneeded site and item readers, not the stated forensic link-creation attribution.

Question 422

An administrator attempts to initiate a SharePoint site access review for a OneDrive account using the same feature. Which approach solves the stated need?

  1. Use the data access governance result to initiate an eligible site access review.
  2. Use a supported OneDrive-specific access governance route instead of unsupported site access review.
  3. Initiate a SharePoint site access review for the responsible site owner.
  4. Remove the contractor's unnecessary access and complete the site access review.

Explanation

Correct Answer

B:

SharePoint site access review has product scope limitations and is not interchangeable with OneDrive. This directly addresses respecting site-access-review scope.

Incorrect Answers

A:

Governance reports can identify candidate sites for delegated review. This helps with targeted review of a high-exposure site instead of the required respecting site-access-review scope.

C:

Site access review delegates permission assessment to the data owner. This helps with owner-led permission recertification instead of the required respecting site-access-review scope.

D:

Review completion should include remediation and an accountable disposition. The action is relevant to removal of abandoned project membership rather than respecting site-access-review scope.

Question 423

An auditor asks to see how many Anyone links staff created in the last reporting period. Which Microsoft 365 capability is MOST appropriate?

  1. Permit approved Anyone sharing only within the scoped authorized site policy.
  2. Remove or revoke the specific anonymous link and correct its source permissions.
  3. Review SharePoint sharing links activity reporting.
  4. Restrict external sharing link types in the SharePoint organization policy.

Explanation

Correct Answer

C:

Sharing link reports summarize past link creation for risk analysis. This directly addresses counting anonymous sharing exposure.

Incorrect Answers

A:

Site-specific sharing design can allow intended public resources while controlling risk. It is used for bounded anonymous public publication; this scenario calls for counting anonymous sharing exposure.

B:

Removing the link closes the existing possession-based access path. That addresses remediation of an exposed file link, whereas the current case requires counting anonymous sharing exposure.

D:

Tenant sharing policies determine which link scopes may be created. That addresses prevention of future anonymous links, whereas the current case requires counting anonymous sharing exposure.

Question 424

A reviewer must confirm which groups can read a project site after a membership change. Which approach solves the stated need?

  1. Remove broad tenant-wide grants and replace them with named business groups.
  2. Keep an approved organization-wide internal sharing policy on the handbook.
  3. Use a SharePoint data access governance broad-internal-sharing report.
  4. Inspect effective SharePoint site permissions and group membership.

Explanation

Correct Answer

D:

Permission review validates actual access after group changes. This directly addresses current site reader inventory.

Incorrect Answers

A:

Narrow membership stops internal oversharing that Copilot could surface. It would support limiting companywide finance access, not the stated current site reader inventory.

B:

Broad internal access can be appropriate for deliberately shared public-to-staff content. Its purpose is deliberate all-employee document availability; the specified need is current site reader inventory.

C:

Governance reports identify tenant-wide exposure patterns. It would support discovery of Everyone-except-external-users sharing, not the stated current site reader inventory.

Question 425

Management wants consistent inactivity and ownership requirements across newly created sites. Which Microsoft 365 capability is MOST appropriate?

  1. Configure appropriate SharePoint Advanced Management site lifecycle policies.
  2. Apply supported SharePoint site lifecycle and ownership review.
  3. Assign and maintain accountable SharePoint site owners.
  4. Review SharePoint administrative change history and audit data.

Explanation

Correct Answer

A:

Lifecycle policies govern recurring site ownership and inactivity risk. This directly addresses standardized site sprawl governance.

Incorrect Answers

B:

Lifecycle governance identifies abandoned sites for remediation. This helps with orphaned inactive site disposition instead of the required standardized site sprawl governance.

C:

Owners are responsible for reviewing and approving site-level access. The action is relevant to defined data ownership for site access rather than standardized site sprawl governance.

D:

Change records identify modifications that may increase exposure. This helps with timing of site security changes instead of the required standardized site sprawl governance.

Question 426

A proposed Copilot rollout surfaces documents that a user could previously open through broad sharing. Which approach solves the stated need?

  1. Apply an eligible Purview sensitivity label with rights protection.
  2. Fix source permissions rather than trying to hide information using prompt instructions.
  3. Review and reduce effective SharePoint access permissions.
  4. Correlate file sensitivity label reporting with site access governance.

Explanation

Correct Answer

B:

Copilot follows effective access; source governance determines visibility. This directly addresses underlying permissions correction for AI retrieval.

Incorrect Answers

A:

File-level encryption protects permitted use after download. That addresses persistent content protection beyond site access, whereas the current case requires underlying permissions correction for AI retrieval.

C:

A classification label alone does not guarantee the intended audience is narrow. That addresses confidentiality label with overly broad source access, whereas the current case requires underlying permissions correction for AI retrieval.

D:

Combined sensitivity and permissions evidence prioritizes oversharing risk. It is used for high-impact oversharing prioritization; this scenario calls for underlying permissions correction for AI retrieval.

Question 427

A company wants site owners to review access instead of security staff inspecting every individual file. Which Microsoft 365 capability is MOST appropriate?

  1. Use native SharePoint site permissions management.
  2. Use SharePoint data access governance reporting.
  3. Send a supported SharePoint site access review request.
  4. Enable eligible SharePoint Advanced Management restricted access control.

Explanation

Correct Answer

C:

Delegated reviews use owners' business knowledge to validate readers. This directly addresses distributed site permission remediation.

Incorrect Answers

A:

Standard site permissions cover everyday membership and access decisions. Its purpose is ordinary site membership changes; the specified need is distributed site permission remediation.

B:

Governance reports consolidate access patterns at organizational scale. It would support tenant-wide oversharing assessment, not the stated distributed site permission remediation.

D:

Restricted access control limits site entry beyond ordinary sharing links. It would support hard site access boundary, not the stated distributed site permission remediation.

Question 428

A legal archive site should not be discovered by all employees even if a global organization sharing link was created. Which approach solves the stated need?

  1. Confirm each user's effective SharePoint authorization before troubleshooting Copilot.
  2. Remove unintended broad SharePoint permissions on the file or container.
  3. Run SharePoint data access governance sharing and permissions reports.
  4. Enforce approved restricted access and remove broad sharing grants.

Explanation

Correct Answer

D:

Source authorization boundaries prevent unintended discovery through search or Copilot. This directly addresses restricted legal-site content discovery.

Incorrect Answers

A:

Security-trimmed retrieval follows the user's access rights. This helps with different Copilot results due to site permissions instead of the required restricted legal-site content discovery.

B:

Copilot can discover accessible content exposed by weak source sharing. The action is relevant to preventing accessible-but-unapproved AI grounding rather than restricted legal-site content discovery.

C:

Oversharing reports surface content-access risks before generative AI amplifies discovery. This helps with early Copilot readiness access audit instead of the required restricted legal-site content discovery.

Question 429

An employee wants help drafting a project recap in a general Microsoft 365 productivity experience. Which administration choice BEST meets this requirement?

  1. Use supported Copilot configuration and user enablement.
  2. Use an eligible Microsoft 365 Copilot experience for the task.
  3. Use a purpose-built declarative agent with governed knowledge.
  4. Configure a scoped agent action or tool integration.

Explanation

Correct Answer

B:

Copilot provides general conversational productivity assistance over authorized context. This directly addresses general productivity assistance.

Incorrect Answers

A:

Core Copilot capabilities do not require a new specialist agent for every use. It is used for enhancement of a general assistant experience; this scenario calls for general productivity assistance.

C:

Specialized agents can restrict purpose, instructions and knowledge scope. It is used for narrow policy knowledge assistance; this scenario calls for general productivity assistance.

D:

Tools permit authorized transactional operations beyond text-only answers. That addresses taking an approved ticket action, whereas the current case requires general productivity assistance.

Question 430

A director wants a cited long-form comparison of multiple strategic proposals and supporting sources. How should the administrator address this situation?

  1. Use general Copilot drafting assistance rather than a specialist research agent.
  2. Create a custom policy-oriented agent with vetted instructions and content.
  3. Use Microsoft 365 Copilot Researcher for multi-source research.
  4. Use Microsoft 365 Copilot Analyst where the workload supports it.

Explanation

Correct Answer

C:

Researcher supports extended research and synthesis across available sources. This directly addresses comprehensive sourced research task.

Incorrect Answers

A:

Short editing tasks do not require lengthy research orchestration. It would support simple text transformation, not the stated comprehensive sourced research task.

B:

A custom agent can standardize answers for a bounded business domain. Its purpose is repeatable domain-specific guidance; the specified need is comprehensive sourced research task.

D:

Analyst focuses structured quantitative reasoning and analysis tasks. Its purpose is iterative analysis of numerical records; the specified need is comprehensive sourced research task.


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