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Last Update: Oct 06, 2026

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Microsoft AB-900 Practice Test 30

Question 290

An AI-generated summary contains a financial claim and the manager needs a verifiable basis. Which administration choice BEST meets this requirement?

  1. Minimize personal-data access and apply privacy/security controls.
  2. Assign accountable owners and a defined escalation process.
  3. Require a human authorization before the irreversible payment.
  4. Inspect linked source evidence and verify the claim before relying on it.

Explanation

Correct Answer

D:

Evidence checking supports responsible use of generated assertions. This directly addresses verified high-stakes summary accuracy.

Incorrect Answers

A:

Privacy principles reduce unnecessary processing and disclosure. This helps with protection of sensitive personal information instead of the required verified high-stakes summary accuracy.

B:

Accountability identifies responsible humans for monitoring and correction. The action is relevant to clear ownership of AI failures rather than verified high-stakes summary accuracy.

C:

Accountability retains control of high-impact actions with authorized decision-makers. This helps with human oversight of consequential action instead of the required verified high-stakes summary accuracy.

Question 291

An employee pastes an attacker-written document containing hidden instructions into a summary request. How should the administrator address this situation?

  1. Limit task scope and ensure data is not treated as higher-priority commands.
  2. Reduce backend tool rights and require authenticated authorization.
  3. Review supported AI activity and safety telemetry for suspicious interactions.
  4. Treat retrieved page instructions as untrusted data and enforce tool permissions.

Explanation

Correct Answer

A:

Boundaries between content and instructions mitigate prompt-injection effects. This directly addresses safe handling of adversarial document text.

Incorrect Answers

B:

Prompt wording alone cannot secure a powerful tool connection. That addresses enforceable permission checks for agent actions, whereas the current case requires safe handling of adversarial document text.

C:

Monitoring enables investigation of attempts to misuse the assistant. It is used for evidence of AI abuse attempts; this scenario calls for safe handling of adversarial document text.

D:

Source text must not override trusted policy or backend authorization. That addresses resistance to malicious source instructions, whereas the current case requires safe handling of adversarial document text.

Question 292

The company must retain supported Copilot conversations under a formal recordkeeping requirement. Which administration choice BEST meets this requirement?

  1. Maintain the applicable eDiscovery hold on the source records.
  2. Configure applicable Purview retention controls for Copilot interactions.
  3. Apply approved data lifecycle deletion policies and access rights.
  4. Use Purview eDiscovery search for supported AI interactions.

Explanation

Correct Answer

B:

Retention policies govern covered interaction records for required periods. This directly addresses mandated AI conversation retention.

Incorrect Answers

A:

A Copilot summary does not remove legal preservation requirements on underlying content. It would support ongoing legal preservation of source evidence, not the stated mandated AI conversation retention.

C:

Content lifecycle operates on source records independent of Copilot summaries. It would support policy-based deletion of expired source content, not the stated mandated AI conversation retention.

D:

Case-based content search preserves and locates relevant AI records. Its purpose is discovery of AI interaction evidence; the specified need is mandated AI conversation retention.

Question 293

A legal professional asks Copilot to summarize an official policy but the policy has multiple outdated copies. How should the administrator address this situation?

  1. Require an explicit insufficient-evidence response and source validation.
  2. Use an authorized live business data connection for current values.
  3. Govern and identify the approved canonical policy source.
  4. Supply or verify source citations from authorized retrieved content.

Explanation

Correct Answer

C:

Source stewardship reduces grounding in obsolete versions. This directly addresses a current authoritative document reference.

Incorrect Answers

A:

Grounding uncertainty prevents fabricated specific claims. The action is relevant to safe answer when evidence is absent rather than a current authoritative document reference.

B:

Static documents may not represent rapidly changing transactional state. This helps with current operational data rather than stale export instead of the required a current authoritative document reference.

D:

Citations allow checking statements against evidence. This helps with traceable grounded policy statement instead of the required a current authoritative document reference.

Question 294

A custom external data source sends items without access-control metadata, making results visible too broadly. Which administration choice BEST meets this requirement?

  1. Configure supported connector synchronization for relevant updates.
  2. Use a permissioned live API or tool rather than only a search connector.
  3. Configure an approved Graph connector with accurate item ACL mappings.
  4. Repair connector ACL ingestion and reindex the affected content.

Explanation

Correct Answer

D:

Missing ACL mapping can lead to unintended search exposure. This directly addresses corrected external item authorization.

Incorrect Answers

A:

Connector refresh keeps indexed items aligned with source changes. That addresses up-to-date external search index, whereas the current case requires corrected external item authorization.

B:

Runtime operations are distinct from search grounding over indexed material. It is used for live action against a business system; this scenario calls for corrected external item authorization.

C:

Indexed external items must carry permissions so results can be security trimmed. That addresses secure retrieval of connected external content, whereas the current case requires corrected external item authorization.

Question 295

An administrator needs to identify which confidential label was assigned to a document cited in a response. How should the administrator address this situation?

  1. Inspect the document's Purview sensitivity label and permissions.
  2. Review appropriate DSPM for AI interaction or DLP signals.
  3. Enforce authorization at Microsoft 365 content storage and retrieval.
  4. Apply applicable endpoint or AI DLP controls where supported.

Explanation

Correct Answer

A:

File labels provide authoritative classification state for retrieved work content. This directly addresses source-document classification evidence.

Incorrect Answers

B:

AI security telemetry can identify supported sensitive data interaction patterns. It would support detection of sensitive prompt content, not the stated source-document classification evidence.

C:

Controls on the underlying source govern what data a user can access. Its purpose is consistent source access enforcement; the specified need is source-document classification evidence.

D:

DLP can govern sensitive data handling in supported interactions and endpoints. It would support restriction of classified generated content movement, not the stated source-document classification evidence.

Question 296

A sensitive report contains a bank account number and must be protected after download. Which administration choice BEST meets this requirement?

  1. Narrow SharePoint permissions to the approved finance group.
  2. Apply an approved sensitivity label with file-level protection.
  3. Investigate the matched message and enforce the appropriate DLP policy.
  4. Review DSPM for AI findings and implement its relevant mitigation recommendations.

Explanation

Correct Answer

B:

Rights protection travels with the content when supported. This directly addresses persistent financial-file control.

Incorrect Answers

A:

Correcting excessive authorization closes both direct and Copilot discovery paths. This helps with removal of internal oversharing instead of the required persistent financial-file control.

C:

Data loss prevention provides incident context and prevention actions. This helps with outbound sensitive-mail incident response instead of the required persistent financial-file control.

D:

DSPM for AI consolidates AI exposure findings and control opportunities. The action is relevant to AI-related data exposure reduction rather than persistent financial-file control.

Question 297

A user must clearly know when an answer is AI-generated and might require verification. How should the administrator address this situation?

  1. Add human approval and a recoverable operational design.
  2. Reduce the tool's returned fields to the minimum required.
  3. Provide transparent disclosure of AI assistance and limitations.
  4. Document the lawful purpose, retention and access design with privacy stakeholders.

Explanation

Correct Answer

C:

Responsible AI transparency avoids misleading users about the system. This directly addresses informed AI output interpretation.

Incorrect Answers

A:

Human control mitigates high-impact automation risks. It is used for accountable irreversible account deletion; this scenario calls for informed AI output interpretation.

B:

Data minimization limits personal data processing for the task. That addresses least-data disclosure by an AI tool, whereas the current case requires informed AI output interpretation.

D:

Purpose limitation and governance constrain sensitive processing. That addresses accountable processing of customer information, whereas the current case requires informed AI output interpretation.

Question 298

An authorized executive asks why Copilot cannot see a document stored in a site they have never been granted. Which administration choice BEST meets this requirement?

  1. Review and remove unauthorized anonymous sharing on that file.
  2. Review relevant Purview AI activity explorer events.
  3. Audit and restrict group permissions on the source.
  4. Check effective user site permissions and source availability.

Explanation

Correct Answer

D:

A user cannot ground answers in inaccessible tenant files. This directly addresses diagnosing absent authorized source.

Incorrect Answers

A:

Anonymous links may create an unintended access path beyond tenant membership. It would support closure of public sharing exposure, not the stated diagnosing absent authorized source.

B:

AI activity telemetry records supported user interactions and classifications. Its purpose is observational AI usage evidence; the specified need is diagnosing absent authorized source.

C:

Access control defects are not fixed by changing a prompt alone. It would support stopping unintended broad directory access, not the stated diagnosing absent authorized source.

Question 299

An organization discovers a broadly shared finance folder appears in Copilot answers for unrelated employees. Which option is the BEST solution?

  1. Correct the underlying SharePoint access and sharing permissions.
  2. Compare each user's effective content access and available grounding context.
  3. Keep SharePoint permissions restrictive and rely on security-trimmed retrieval.
  4. Allow Copilot to ground in the user's authorized Microsoft Graph content.

Explanation

Correct Answer

A:

Copilot can surface already-accessible overshared content. This directly addresses eliminating an inherited oversharing root cause.

Incorrect Answers

B:

Security trimming and individual context yield different retrieved evidence. This helps with explaining user-specific Copilot answers instead of the required eliminating an inherited oversharing root cause.

C:

Copilot respects effective user access rather than granting new file rights. The action is relevant to denying retrieval of an inaccessible source rather than eliminating an inherited oversharing root cause.

D:

Graph uses accessible work context when building grounded responses. This helps with summarizing accessible mailbox content instead of the required eliminating an inherited oversharing root cause.

Question 300

A security team wants to know which external organizational content a connected search source can expose. What should the administrator configure?

  1. Remove the contractor's unintended source permissions and overshared links.
  2. Review connector indexing and ACL mappings for its content.
  3. Ask for source verification and handle insufficient evidence explicitly.
  4. Apply normal file permissions to govern available work data.

Explanation

Correct Answer

B:

Correctly mapped access lists are needed for secure external content retrieval. This directly addresses connector-grounded security trimming.

Incorrect Answers

A:

The relevant access risk comes from content sharing and identity authorization. That addresses preventing unapproved contractor discovery, whereas the current case requires connector-grounded security trimming.

C:

Grounding checks help distinguish actual retrieved facts from generated claims. That addresses verification against authorized evidence, whereas the current case requires connector-grounded security trimming.

D:

Microsoft 365 Copilot accesses work content under the user's entitled resource scope. It is used for ordinary user-scoped work grounding; this scenario calls for connector-grounded security trimming.


Microsoft 365 Copilot and Agent Administration Fundamentals (AB-900) Practice Tests

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