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Microsoft AB-900 Practice Test 26

Question 250

The company wants exact matching against a validated list of sensitive customer identifiers. Which action should the team take?

  1. Select or configure a Purview sensitive information type.
  2. Train and apply a supported trainable classifier.
  3. Configure exact data match classification using its protected reference dataset.
  4. Create a supported document fingerprint classification rule.

Explanation

Correct Answer

C:

Exact data match reduces ambiguity by comparing to known reference values. This directly addresses high-confidence match against approved data.

Incorrect Answers

A:

Sensitive information types match structured patterns and proximity evidence. It would support structured national-identifier detection, not the stated high-confidence match against approved data.

B:

Classifier models identify topic and content patterns not tied to one exact token. Its purpose is semantic R&D sensitive-content detection; the specified need is high-confidence match against approved data.

D:

Document fingerprinting identifies content resembling a supplied exemplar. Its purpose is template-specific document identification; the specified need is high-confidence match against approved data.

Question 251

Investigators require evidence that a user submitted a prompt in a supported Copilot session. What is the most appropriate implementation?

  1. Apply a relevant Purview policy restricting Copilot processing of protected labeled items.
  2. Search supported Copilot interaction data within Purview eDiscovery.
  3. Configure an applicable Purview Data Lifecycle Management retention policy.
  4. Inspect appropriate Purview audit records for Copilot interaction events.

Explanation

Correct Answer

D:

Audit records capture supported AI interaction activity. This directly addresses AI user-action event evidence.

Incorrect Answers

A:

AI-specific Purview controls can limit processing of selected classified sources. The action is relevant to sensitive source exclusion from AI processing rather than AI user-action event evidence.

B:

eDiscovery can search supported interaction records for legal response. This helps with discovery of relevant AI conversations instead of the required AI user-action event evidence.

C:

Supported retention policies govern preservation and expiration of interaction records. The action is relevant to regular retention of AI communications rather than AI user-action event evidence.

Question 252

A user wants to delete a document even though it is on legal hold. Which action should the team take?

  1. Preserve the document under its applicable eDiscovery hold.
  2. Review available retention-label and audit history.
  3. Configure a record retention label with disposition review.
  4. Configure an appropriate retention-then-delete policy.

Explanation

Correct Answer

A:

Legal hold supersedes ordinary user deletion within its scope. This directly addresses mandatory legal evidence preservation.

Incorrect Answers

B:

Recorded changes support disposition accountability. It is used for auditable record label changes; this scenario calls for mandatory legal evidence preservation.

C:

Disposition review governs human approval before permanent deletion. That addresses reviewed record disposal, whereas the current case requires mandatory legal evidence preservation.

D:

Retention preserves records for the prescribed period before deletion. It is used for deletion following mandatory preservation; this scenario calls for mandatory legal evidence preservation.

Question 253

Users try to forward unprotected customer records outside the tenant through email. What is the most appropriate implementation?

  1. Configure label rights to restrict printing for unauthorized recipients.
  2. Enforce an Exchange Online DLP policy for the sensitive type.
  3. Apply an appropriate retention label alongside content sensitivity controls.
  4. Use a supported sensitivity label with encryption and rights restrictions.

Explanation

Correct Answer

B:

DLP evaluates the message content and recipient context. This directly addresses policy-blocked sensitive outbound mail.

Incorrect Answers

A:

Rights management can constrain permitted operations independent of file retrieval. Its purpose is limited document use after access; the specified need is policy-blocked sensitive outbound mail.

C:

Retention and sensitivity serve separate lifecycle and confidentiality purposes. Its purpose is independent retention and confidentiality classification; the specified need is policy-blocked sensitive outbound mail.

D:

File-level encryption can enforce authorized use beyond the SharePoint site boundary. It would support persistent protection on a shared document, not the stated policy-blocked sensitive outbound mail.

Question 254

The data team wants to locate files containing a particular confidential identifier, not assess a framework. Which action should the team take?

  1. Use Microsoft Purview Compliance Manager assessments.
  2. Review Microsoft Secure Score.
  3. Use Purview Content explorer or classification reporting.
  4. Review Purview DSPM for AI reports.

Explanation

Correct Answer

C:

Classification exploration identifies where matching sensitive data resides. This directly addresses location of classified content.

Incorrect Answers

A:

Compliance Manager ties controls and improvement actions to compliance frameworks. This helps with framework-based compliance evidence instead of the required location of classified content.

B:

Security score recommendations emphasize security posture rather than audit controls. The action is relevant to security control implementation priorities rather than location of classified content.

D:

AI posture reporting focuses risks from generative AI usage and content exposure. The action is relevant to AI interaction and oversharing risk visibility rather than location of classified content.

Question 255

Legal wants a user attempting to downgrade a protected label to provide a justification. What should the administrator configure?

  1. Publish a user-selectable sensitivity label policy.
  2. Review sensitivity label coverage and classification reporting.
  3. Configure label downgrade justification behavior in the supported label policy.
  4. Publish and apply an appropriately protected Purview sensitivity label.

Explanation

Correct Answer

C:

Label-policy settings can require users to justify classification reductions. This directly addresses accountable reduction of file sensitivity.

Incorrect Answers

A:

Label policies expose approved classification choices to eligible users. It is used for staff selection of approved document labels; this scenario calls for accountable reduction of file sensitivity.

B:

Coverage reporting identifies labeled versus unlabeled content. That addresses visibility into missing document classification, whereas the current case requires accountable reduction of file sensitivity.

D:

Sensitivity labels can classify and protect files using scoped encryption settings. That addresses classified encrypted finance workbook, whereas the current case requires accountable reduction of file sensitivity.

Question 256

The privacy group has a reliable list of customer identifiers and wants high-confidence matching instead of broad patterns. Which option is the BEST solution?

  1. Use an appropriate Microsoft Purview sensitive information type.
  2. Use an appropriately trained Microsoft Purview trainable classifier.
  3. Use document fingerprinting where supported.
  4. Use supported exact data match classification.

Explanation

Correct Answer

D:

Exact data match uses hashed reference values for high-confidence sensitive data discovery. This directly addresses matching known sensitive identifiers.

Incorrect Answers

A:

Sensitive information types detect structured patterns and corroborating evidence. It would support detection of structured payment card data, not the stated matching known sensitive identifiers.

B:

Trainable classifiers identify content by learned characteristics beyond fixed regular expressions. Its purpose is unstructured proprietary subject classification; the specified need is matching known sensitive identifiers.

C:

Fingerprints match document structures against an approved exemplar. It would support classification of a known document form, not the stated matching known sensitive identifiers.

Question 257

Teams users must be prevented from sending protected information in supported chat messages. What should the administrator configure?

  1. Configure Purview DLP rules scoped to Teams chat and channel messages.
  2. Configure a Purview DLP policy for Exchange Online email.
  3. Configure a Purview DLP policy for SharePoint and OneDrive locations.
  4. Configure Microsoft Purview Endpoint DLP for the managed device.

Explanation

Correct Answer

A:

Teams DLP evaluates supported messaging content against sensitive data rules. This directly addresses sensitive data in team conversations.

Incorrect Answers

B:

Exchange DLP evaluates matching content during mail transport and applies configured actions. This helps with sensitive outbound mail control instead of the required sensitive data in team conversations.

C:

Cloud file DLP can detect sensitive content and restrict sharing actions where supported. The action is relevant to classified cloud-file sharing enforcement rather than sensitive data in team conversations.

D:

Endpoint DLP controls supported device actions against protected content. This helps with local removable-media exfiltration control instead of the required sensitive data in team conversations.

Question 258

A compliance lead needs a triage process for high-severity DLP matches and investigator assignment. Which option is the BEST solution?

  1. Evaluate policy priority, supported conditions, and resulting DLP action.
  2. Review Purview DLP alerts and configure the response workflow.
  3. Configure DLP policy tips and permitted override justification.
  4. Use DLP simulation or testing before enforcement.

Explanation

Correct Answer

B:

DLP alerts provide matched-rule context for investigation and follow-up. This directly addresses actionable sensitive-data incident triage.

Incorrect Answers

A:

Rule precedence and effective actions determine observed protection behavior. That addresses diagnosis of conflicting DLP outcomes, whereas the current case requires actionable sensitive-data incident triage.

C:

Policy tips make controls visible while approved overrides can be recorded. That addresses guided exception to a DLP rule, whereas the current case requires actionable sensitive-data incident triage.

D:

Test mode measures candidate matches without necessarily enforcing blocks. It is used for safe predeployment DLP evaluation; this scenario calls for actionable sensitive-data incident triage.

Question 259

The operations team wants routine deletion of obsolete content after an approved minimum preservation period. What should the administrator configure?

  1. Apply a Purview retention label appropriate to each contract type.
  2. Use a supported retention label configured for record management.
  3. Configure an appropriate retain-then-delete lifecycle rule.
  4. Create a location-scoped Purview retention policy.

Explanation

Correct Answer

C:

Retain-then-delete keeps content for a minimum period and disposes afterward. This directly addresses scheduled preservation followed by disposal.

Incorrect Answers

A:

Retention labels classify items into lifecycle rules independently of location-wide policies. Its purpose is item-level contract retention; the specified need is scheduled preservation followed by disposal.

B:

Record declaration adds governed protections and disposition handling. It would support protected declared business record, not the stated scheduled preservation followed by disposal.

D:

Retention policies apply broad retention behavior to supported workloads. It would support location-wide mail retention, not the stated scheduled preservation followed by disposal.

Question 260

A retention administrator needs to prove when a record was labeled and which retention rule controls it. Which option is the BEST solution?

  1. Respect preservation precedence and retain the file while an applicable retain rule remains.
  2. Apply the appropriate eDiscovery hold to preserve responsive content.
  3. Configure disposition review within the applicable retention label.
  4. Inspect the item's retention label and relevant audit/history records.

Explanation

Correct Answer

D:

Lifecycle metadata and audit trail explain governance state. This directly addresses evidence of record lifecycle assignment.

Incorrect Answers

A:

Retention wins over deletion while legally required preservation is active. This helps with conflict-safe content preservation instead of the required evidence of record lifecycle assignment.

B:

Holds preserve covered data against ordinary deletion during legal matters. The action is relevant to litigation-driven content preservation rather than evidence of record lifecycle assignment.

C:

Disposition review provides accountable approval before managed record destruction. This helps with controlled final deletion of records instead of the required evidence of record lifecycle assignment.


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