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283 Questions & Answers

Last Update: Nov 07, 2026

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ServiceNow CIS-DF Practice Test 40

Question 390

A ServiceNow team is evaluating reconciliation history audit. After changing the authoritative source for a subnet attribute, the security team needs to know which value was previously reported by another source. What should it implement?

  1. Review CMDB 360's retained attribute history and source provenance rather than relying on the current value alone.
  2. Use a CMDB 360 Find Gap query between the two named discovery-source populations.
  3. Use CMDB 360 multisource preview to view the current owner alongside both source-reported candidates.
  4. Create and save a CMDB 360 Get Records query with class, source and attribute criteria.

Explanation

Correct Answer

A:

Review CMDB 360's retained attribute history and source provenance rather than relying on the current value alone. The missing change involves reviewing CMDB 360's retained attribute history and source provenance rather than relying on the current value alone.

Incorrect Answers

B:

Use a CMDB 360 Find Gap query between the two named discovery-source populations. That does not review CMDB 360's retained attribute history and source provenance rather than relying on the current value alone.

C:

Use CMDB 360 multisource preview to view the current owner alongside both source-reported candidates. That does not review CMDB 360's retained attribute history and source provenance rather than relying on the current value alone.

D:

Create and save a CMDB 360 Get Records query with class, source and attribute criteria. That does not review CMDB 360's retained attribute history and source provenance rather than relying on the current value alone.

Question 391

After changing the authoritative source for a subnet attribute, the security team needs to know which value was previously reported by another source. After the implementation, what evidence most directly demonstrates the intended result?

  1. Compare the prior reported value and current reconciled attribute in the multisource view.
  2. Confirm the analysis shows both location claims and the currently selected CMDB location.
  3. Inspect source names, timestamps and the highlighted winning CMDB attribute value.
  4. Run the gap query and inspect cloud-present/endpoint-absent CI identities.
  5. Verify duplicate candidate records are visible in quality results and downstream nodes in the topology map.

Explanation

Correct Answer

A:

Compare the prior reported value and current reconciled attribute in the multisource view. That distinguishes a functioning reconciliation history audit path from a configuration that was merely entered.

Incorrect Answers

B:

This inspects an observable outcome of mismatched values drilldown: Confirm the analysis shows both location claims and the currently selected CMDB location. It does not compare the prior reported value and current reconciled attribute in the multisource view.

C:

Inspect source names, timestamps and the highlighted winning CMDB attribute value. It does not compare the prior reported value and current reconciled attribute in the multisource view.

D:

Run the gap query and inspect cloud-present/endpoint-absent CI identities. It does not compare the prior reported value and current reconciled attribute in the multisource view.

E:

CI deduplication depends on stable identifiers and relationships, not just visually matching names. Verification of this result involves comparing the prior reported value and current reconciled attribute in the multisource view.

Question 392

The reconciliation history audit implementation shows an unexpected result: An auditor assumes every previous source value is lost once reconciliation selects a new winner. Which underlying defect should be corrected?

  1. Comparison of values for shared CIs does not directly surface a missing reporter.
  2. CMDB 360 retains source-attributed history that can be inspected after ownership changes.
  3. The CI form shows reconciled output but not the full per-source reported-value history.
  4. CI-level update time does not establish that every contributing data source still reports.

Explanation

Correct Answer

B:

CMDB 360 retains source-attributed history that can be inspected after ownership changes.

Incorrect Answers

A:

Comparison of values for shared CIs does not directly surface a missing reporter. The underlying failure instead involves cMDB 360 retains source-attributed history that can be inspected after ownership changes.

C:

The CI form shows reconciled output but not the full per-source reported-value history. The underlying failure instead involves cMDB 360 retains source-attributed history that can be inspected after ownership changes.

D:

CI-level update time does not establish that every contributing data source still reports. The underlying failure instead involves cMDB 360 retains source-attributed history that can be inspected after ownership changes.

Question 393

After changing the authoritative source for a subnet attribute, the security team needs to know which value was previously reported by another source. To both implement the requested technical change and maintain the result under future drift, select TWO complementary actions.

  1. Preserve retention and authorization for provenance records when changing authoritative sources.
  2. Review CMDB 360's retained attribute history and source provenance rather than relying on the current value alone.
  3. Track per-source arrival times and define different expected cadences per integration.
  4. Capture dated map evidence and related change identifiers during problem review.
  5. Replace historical CMDB 360 source values with a current owner comment and close the conflict without retaining the old reporter or its attribute value.

Explanation

Correct Answers

A:

The recurring risk is controlled by Preserve retention and authorization for provenance records when changing authoritative sources. It preserves the reconciliation history audit decision when data sources, policies or operational owners change.

B:

Review CMDB 360's retained attribute history and source provenance rather than relying on the current value alone. The needed intervention is preserve retention and authorization for provenance records when changing authoritative sources.

Incorrect Answers

C:

Track per-source arrival times and define different expected cadences per integration. The combined controls instead need attribute-level source authority and update precedence.

D:

Capture dated map evidence and related change identifiers during problem review. The combined controls instead need attribute-level source authority and update precedence.

E:

A comment cannot prove the prior source-reported subnet value. Preserve provenance/retention and inspect the historical value to answer the auditor; do not overwrite the evidence.

Question 394

During the failed server impact design review, the team describes this situation: A host becomes unavailable and incident managers need to know which business-facing services depend on it. Which change should be selected?

  1. Use the Service Mapping-supported service-instance composition in Unified Map when the relevant mapping application is active.
  2. Inspect Unified Map's selected CI context and its Related Items or Changes timeline.
  3. Open Unified Map on the host as the home CI and inspect upstream service dependencies and related records.
  4. Apply available class, location, discovery-source and lifecycle filters in Unified Map.

Explanation

Correct Answer

C:

Open Unified Map on the host as the home CI and inspect upstream service dependencies and related records.

Incorrect Answers

A:

Use the Service Mapping-supported service-instance composition in Unified Map when the relevant mapping application is active. That does not establish open Unified Map on the host as the home CI and inspect upstream service dependencies and related records.

B:

Inspect Unified Map's selected CI context and its Related Items or Changes timeline. That does not establish open Unified Map on the host as the home CI and inspect upstream service dependencies and related records.

D:

Apply available class, location, discovery-source and lifecycle filters in Unified Map. That does not establish open Unified Map on the host as the home CI and inspect upstream service dependencies and related records.

Question 395

A host becomes unavailable and incident managers need to know which business-facing services depend on it. A governance reviewer wants outcome evidence rather than a configuration screenshot. Which observation is decisive?

  1. Trace expected path from server through application service to affected business service in the map.
  2. Inspect each connection's details and verify the intended relationship type and orientation.
  3. Confirm the relevant change record and topology timeline correspond to the affected switch CI.
  4. Confirm the target database becomes visible along the expected intermediate dependency path.

Explanation

Correct Answer

A:

Trace expected path from server through application service to affected business service in the map.

Incorrect Answers

B:

Typed CMDB relationships connect CI endpoints with an explicit supported relationship type and direction. That check cannot demonstrate trace expected path from server through application service to affected business service in the map.

C:

Confirm the relevant change record and topology timeline correspond to the affected switch CI. That check cannot demonstrate trace expected path from server through application service to affected business service in the map.

D:

Confirm the target database becomes visible along the expected intermediate dependency path. That check cannot demonstrate trace expected path from server through application service to affected business service in the map.

Question 396

After deployment for failed server impact, the team sees: The map appears to show no affected services because the host's service relationships are missing. What explains this failure?

  1. A topology map cannot infer impact through CI relationships that were never populated.
  2. References and cmdb_rel_ci relationship links have different map semantics.
  3. Map display filters control visualization, not the underlying CI record existence.
  4. A static topology snapshot omits historical change context exposed by the map's timeline features.

Explanation

Correct Answer

A:

A topology map cannot infer impact through CI relationships that were never populated.

Incorrect Answers

B:

Typed CMDB relationships connect CI endpoints with an explicit supported relationship type and direction. That mechanism cannot explain a topology map cannot infer impact through CI relationships that were never populated.

C:

Map display filters control visualization, not the underlying CI record existence.

D:

A static topology snapshot omits historical change context exposed by the map's timeline features. That mechanism cannot explain a topology map cannot infer impact through CI relationships that were never populated.

Question 397

A host becomes unavailable and incident managers need to know which business-facing services depend on it. Which continuing operational safeguard most directly protects the intended outcome?

  1. Capture dated map evidence and related change identifiers during problem review.
  2. Use legend and relationship-type filters before drawing dependency conclusions.
  3. Maintain and review service dependencies so change impact and incident triage remain reliable.
  4. Document filters when exporting maps so viewers do not treat a scoped view as complete topology.

Explanation

Correct Answer

C:

The recurring risk is controlled by Maintain and review service dependencies so change impact and incident triage remain reliable. It preserves the failed server impact decision when data sources, policies or operational owners change.

Incorrect Answers

A:

Capture dated map evidence and related change identifiers during problem review. It would leave maintain and review service dependencies so change impact and incident triage remain reliable without the specified safeguard.

B:

Use legend and relationship-type filters before drawing dependency conclusions. It would leave maintain and review service dependencies so change impact and incident triage remain reliable without the specified safeguard.

D:

Document filters when exporting maps so viewers do not treat a scoped view as complete topology.

Question 398

A ServiceNow team is evaluating connection notation. A reviewer mistakes a dashed reference connection for a solid typed dependency edge in Unified Map. What should it implement?

  1. Open Unified Map on the host as the home CI and inspect upstream service dependencies and related records.
  2. Adjust supported Unified Map relationship depth and filters to explore relevant indirect CIs.
  3. Distinguish the solid relationship edges from dashed reference connections using map notation.
  4. Use the Service Mapping-supported service-instance composition in Unified Map when the relevant mapping application is active.

Explanation

Correct Answer

C:

Distinguish the solid relationship edges from dashed reference connections using map notation.

Incorrect Answers

A:

Open Unified Map on the host as the home CI and inspect upstream service dependencies and related records. That does not establish distinguish the solid relationship edges from dashed reference connections using map notation.

B:

Adjust supported Unified Map relationship depth and filters to explore relevant indirect CIs. That does not establish distinguish the solid relationship edges from dashed reference connections using map notation.

D:

Use the Service Mapping-supported service-instance composition in Unified Map when the relevant mapping application is active. That does not establish distinguish the solid relationship edges from dashed reference connections using map notation.

Question 399

A reviewer mistakes a dashed reference connection for a solid typed dependency edge in Unified Map. After the implementation, what evidence most directly demonstrates the intended result?

  1. Confirm the target database becomes visible along the expected intermediate dependency path.
  2. Confirm the relevant change record and topology timeline correspond to the affected switch CI.
  3. Inspect each connection's details and verify the intended relationship type and orientation.
  4. Compare the filtered visible nodes with a small known set of production Discovery CIs.

Explanation

Correct Answer

C:

Inspect each connection's details and verify the intended relationship type and orientation.

Incorrect Answers

A:

Confirm the target database becomes visible along the expected intermediate dependency path. That check cannot demonstrate the correct relationship type and CI endpoints.

B:

Confirm the relevant change record and topology timeline correspond to the affected switch CI. That check cannot demonstrate the correct relationship type and CI endpoints.

D:

This inspects an observable outcome of map filtering by source: Compare the filtered visible nodes with a small known set of production Discovery CIs. That check cannot demonstrate the correct relationship type and CI endpoints.

Question 400

The connection notation implementation shows an unexpected result: A diagram legend is ignored and a reference property is treated as a service dependency. Which underlying defect should be corrected?

  1. Service instance composition depends on the underlying mapping data being created and kept current.
  2. References and cmdb_rel_ci relationship links have different map semantics.
  3. A static topology snapshot omits historical change context exposed by the map's timeline features.
  4. A topology map cannot infer impact through CI relationships that were never populated.

Explanation

Correct Answer

B:

Typed CMDB relationships connect CI endpoints with an explicit supported relationship type and direction. The underlying failure instead involves references and cmdb_rel_ci relationship links have different map semantics.

Incorrect Answers

A:

Service instance composition depends on the underlying mapping data being created and kept current. That does not establish the correct relationship type and CI endpoints.

C:

The failure is in the change-related history path, not simply a reason to rerun an unrelated dashboard.

D:

A topology map cannot infer impact through CI relationships that were never populated. The underlying failure instead involves references and cmdb_rel_ci relationship links have different map semantics.


Certified Implementation Specialist - Data Foundations (CMDB and CSDM) (CIS-DF) Practice Tests

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