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283 Questions & Answers

Last Update: Nov 07, 2026

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ServiceNow CIS-DF Practice Test 16

Question 150

The model category mapping implementation shows an unexpected result: An asset creates a wrong class of CI because a custom model category was mapped to a generic computer. Which underlying defect should be corrected?

  1. The feed conflated financial assets with operational CIs that participate in service dependencies.
  2. The mapping did not preserve stable identification attributes through the transform into IRE.
  3. The integration crossed the asset-versus-CI authority boundary when mapping fields.
  4. The model category mapping, rather than the asset's serial number, chose the wrong CI subclass.

Explanation

Correct Answer

D:

The model category mapping, rather than the asset's serial number, chose the wrong CI subclass.

Incorrect Answers

A:

The feed conflated financial assets with operational CIs that participate in service dependencies. The different cause concerns the model category mapping, rather than the asset's serial number, chose the wrong CI subclass.

B:

The Identification and Reconciliation Engine matches incoming payloads before creating or updating CI records. The evidence points to the model category mapping, rather than the asset's serial number, chose the wrong CI subclass.

C:

The integration crossed the asset-versus-CI authority boundary when mapping fields. That does not establish stable identification of the intended CI.

Question 151

A new hardware model category from procurement does not line up with any existing CMDB class mapping. Source owners and platform configurations can change. Which control is most relevant to this case?

  1. Document fields that are shared versus source-specific and verify cross-record life-cycle transitions.
  2. Agree which item types are assets, CIs, both or neither before mapping the inventory.
  3. Version and test custom ETL mappings to avoid brittle direct CMDB writes and future upgrade debt.
  4. Test custom model category mappings with representative hardware types before bulk ingestion.

Explanation

Correct Answer

D:

Test custom model category mappings with representative hardware types before bulk ingestion.

Incorrect Answers

A:

Document fields that are shared versus source-specific and verify cross-record life-cycle transitions. That does not test custom model category mappings with representative hardware types before bulk ingestion.

B:

Agree which item types are assets, CIs, both or neither before mapping the inventory. That does not test custom model category mappings with representative hardware types before bulk ingestion.

C:

Version and test custom ETL mappings to avoid brittle direct CMDB writes and future upgrade debt. That does not test custom model category mappings with representative hardware types before bulk ingestion.

Question 152

During the avoid duplicate lifecycle authorities design review, the team describes this situation: Procurement owns purchase and financial data while Discovery owns physical computer attributes; neither should overwrite the other's specialized fields. Which change should be selected?

  1. Map source associations into valid cmdb_rel_ci relationship types with the correct source and target CI identities.
  2. Link the asset and computer CI through the supported asset/CI relationship rather than creating unrelated duplicates.
  3. Define role and field-specific stewardship across the linked asset and CI records with suitable mapping rules.
  4. Review model-category-to-CI-class mappings and select the appropriate supported target class before enabling asset-driven CI creation.

Explanation

Correct Answer

C:

Define role and field-specific stewardship across the linked asset and CI records with suitable mapping rules.

Incorrect Answers

A:

Typed CMDB relationships connect CI endpoints with an explicit supported relationship type and direction. That does not establish define role and field-specific stewardship across the linked asset and CI records with suitable mapping rules.

B:

CI deduplication depends on stable identifiers and relationships, not just visually matching names. The missing change involves defining role and field-specific stewardship across the linked asset and CI records with suitable mapping rules.

D:

Review model-category-to-CI-class mappings and select the appropriate supported target class before enabling asset-driven CI creation. That does not establish define role and field-specific stewardship across the linked asset and CI records with suitable mapping rules.

Question 153

Procurement owns purchase and financial data while Discovery owns physical computer attributes; neither should overwrite the other's specialized fields. A governance reviewer wants outcome evidence rather than a configuration screenshot. Which observation is decisive?

  1. Compare serial, owner and life-cycle state in both records and verify the intended cross-record link.
  2. Check that cost and ownership reports include the entitlement without a spurious operational dependency node.
  3. Observe a purchase update and Discovery refresh without loss of authoritative values on either record.
  4. Compare the discovered application-service map with known web, app and database tiers and their connections.

Explanation

Correct Answer

C:

Observe a purchase update and Discovery refresh without loss of authoritative values on either record. Verification of this result involves observing a purchase update and Discovery refresh without loss of authoritative values on either record.

Incorrect Answers

A:

Compare serial, owner and life-cycle state in both records and verify the intended cross-record link. It does not observe a purchase update and Discovery refresh without loss of authoritative values on either record.

B:

This inspects an observable outcome of asset is not always ci: Check that cost and ownership reports include the entitlement without a spurious operational dependency node. Verification of this result involves observing a purchase update and Discovery refresh without loss of authoritative values on either record.

D:

Compare the discovered application-service map with known web, app and database tiers and their connections. It does not observe a purchase update and Discovery refresh without loss of authoritative values on either record.

Question 154

After deployment for avoid duplicate lifecycle authorities, the team sees: A late Discovery run replaces approved financial purchase date with device scan metadata. What explains this failure?

  1. The integration crossed the asset-versus-CI authority boundary when mapping fields.
  2. The asset and CI life cycles were not reconciled through their intended link and mappings.
  3. The mapping did not preserve stable identification attributes through the transform into IRE.
  4. The feed conflated financial assets with operational CIs that participate in service dependencies.

Explanation

Correct Answer

A:

The integration crossed the asset-versus-CI authority boundary when mapping fields.

Incorrect Answers

B:

The asset and CI life cycles were not reconciled through their intended link and mappings. The different cause concerns the integration crossed the asset-versus-CI authority boundary when mapping fields.

C:

The Identification and Reconciliation Engine matches incoming payloads before creating or updating CI records. That mechanism cannot explain the integration crossed the asset-versus-CI authority boundary when mapping fields.

D:

The feed conflated financial assets with operational CIs that participate in service dependencies. That mechanism cannot explain the integration crossed the asset-versus-CI authority boundary when mapping fields.

Question 155

Procurement owns purchase and financial data while Discovery owns physical computer attributes; neither should overwrite the other's specialized fields. Which continuing operational safeguard most directly protects the intended outcome?

  1. Define attribute ownership and periodic certification for manually curated business facts.
  2. Test custom model category mappings with representative hardware types before bulk ingestion.
  3. Document fields that are shared versus source-specific and verify cross-record life-cycle transitions.
  4. Define aligned install-status and life-cycle mappings and investigate missing asset-to-CI links.

Explanation

Correct Answer

C:

Document fields that are shared versus source-specific and verify cross-record life-cycle transitions.

Incorrect Answers

A:

Define attribute ownership and periodic certification for manually curated business facts. It would leave document fields that are shared versus source-specific and verify cross-record life-cycle transitions without the specified safeguard.

B:

Test custom model category mappings with representative hardware types before bulk ingestion. It would leave document fields that are shared versus source-specific and verify cross-record life-cycle transitions without the specified safeguard.

D:

It preserves the hardware asset ci linkage decision when data sources, policies or operational owners change. It would leave document fields that are shared versus source-specific and verify cross-record life-cycle transitions without the specified safeguard.

Question 156

A ServiceNow team is evaluating manual critical dependency. A legal document-management app depends on an external managed database that network discovery cannot automatically trace. What should it implement?

  1. Import or enter controlled typed CI relations with accountable source and verification evidence.
  2. Use an appropriate Service Mapping discovery method to populate the service instance composition and CI dependencies.
  3. Create and steward an explicit typed relationship from the application service to the required database CI.
  4. Review updated connector field mappings and adjust the supported mapping to the destination CI attribute.

Explanation

Correct Answer

C:

Create and steward an explicit typed relationship from the application service to the required database CI.

Incorrect Answers

A:

Import or enter controlled typed CI relations with accountable source and verification evidence. That does not create and steward an explicit typed relationship from the application service to the required database CI.

B:

Use an appropriate Service Mapping discovery method to populate the service instance composition and CI dependencies. That does not create and steward an explicit typed relationship from the application service to the required database CI.

D:

Review updated connector field mappings and adjust the supported mapping to the destination CI attribute. That does not create and steward an explicit typed relationship from the application service to the required database CI.

Question 157

A legal document-management app depends on an external managed database that network discovery cannot automatically trace. After the implementation, what evidence most directly demonstrates the intended result?

  1. Check the dependency map to confirm the database appears in the app's downstream impact path.
  2. Send conflicting test values and inspect the winner plus source history in CMDB 360.
  3. Inspect the relationship direction in query results and Unified Map after the correction.
  4. Sample each service's map to confirm vendor infrastructure nodes have the expected typed links.

Explanation

Correct Answer

A:

Check the dependency map to confirm the database appears in the app's downstream impact path. That distinguishes a functioning manual critical dependency path from a configuration that was merely entered.

Incorrect Answers

B:

Send conflicting test values and inspect the winner plus source history in CMDB 360. It does not check the dependency map to confirm the database appears in the app's downstream impact path.

C:

Inspect the relationship direction in query results and Unified Map after the correction. It does not check the dependency map to confirm the database appears in the app's downstream impact path.

D:

Sample each service's map to confirm vendor infrastructure nodes have the expected typed links. It does not check the dependency map to confirm the database appears in the app's downstream impact path.

Question 158

The manual critical dependency implementation shows an unexpected result: Change risk misses the external database because its host record exists but has no service relationship. Which underlying defect should be corrected?

  1. The missing dependency edge, not necessarily a missing CI, prevents the impact path from being traversed.
  2. The mapping path does not traverse the real entry endpoint and service connections.
  3. The stored relationship type or endpoint direction is reversed for the intended traversal.
  4. The connector schedule or trigger stopped executing; an old success message does not attest to fresh data.

Explanation

Correct Answer

A:

The missing dependency edge, not necessarily a missing CI, prevents the impact path from being traversed.

Incorrect Answers

B:

The mapping path does not traverse the real entry endpoint and service connections. The evidence points to the missing dependency edge, not necessarily a missing CI, prevents the impact path from being traversed.

C:

The stored relationship type or endpoint direction is reversed for the intended traversal. The different cause concerns the missing dependency edge, not necessarily a missing CI, prevents the impact path from being traversed.

D:

The connector schedule or trigger stopped executing; an old success message does not attest to fresh data. The evidence points to the missing dependency edge, not necessarily a missing CI, prevents the impact path from being traversed.

Question 159

A legal document-management app depends on an external managed database that network discovery cannot automatically trace. Source owners and platform configurations can change. Which control is most relevant to this case?

  1. Retest service maps when service endpoints or traffic paths change.
  2. Include relation-direction assertions in automated ingestion acceptance tests.
  3. Maintain the regulatory identifier's owner, scope and evidence refresh process as the service structure changes.
  4. Assign a service owner to periodically certify manually curated dependencies.

Explanation

Correct Answer

D:

The recurring risk is controlled by Assign a service owner to periodically certify manually curated dependencies. It preserves the manual critical dependency decision when data sources, policies or operational owners change.

Incorrect Answers

A:

Retest service maps when service endpoints or traffic paths change. That does not assign a service owner to periodically certify manually curated dependencies.

B:

Include relation-direction assertions in automated ingestion acceptance tests. That does not assign a service owner to periodically certify manually curated dependencies.

C:

Maintain the regulatory identifier's owner, scope and evidence refresh process as the service structure changes. That does not assign a service owner to periodically certify manually curated dependencies.

Question 160

During the automated service discovery design review, the team describes this situation: An enterprise runs a web service whose application tiers and host-to-port connections can be discovered from supported entry points. Which change should be selected?

  1. Create and steward an explicit typed relationship from the application service to the required database CI.
  2. Correct the relationship's parent-child orientation using the supported containing relationship type.
  3. Expand the supported cloud connector's account/project authorization and ingestion scope to the second account.
  4. Use an appropriate Service Mapping discovery method to populate the service instance composition and CI dependencies.

Explanation

Correct Answer

D:

Use an appropriate Service Mapping discovery method to populate the service instance composition and CI dependencies.

Incorrect Answers

A:

Create and steward an explicit typed relationship from the application service to the required database CI. That does not use an appropriate Service Mapping discovery method to populate the service instance composition and CI dependencies.

B:

Typed CMDB relationships connect CI endpoints with an explicit supported relationship type and direction. That does not use an appropriate Service Mapping discovery method to populate the service instance composition and CI dependencies.

C:

Expand the supported cloud connector's account/project authorization and ingestion scope to the second account. That does not use an appropriate Service Mapping discovery method to populate the service instance composition and CI dependencies.


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

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