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ServiceNow : CIS-DF

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Feb 17,2026
Last Updated

105 Total Question

Certified Implementation Specialist-Data Foundations (CMDB
and CSDM) Exam Practice Questions | Pass with confidence

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About CIS-DF Exam


The Certified Implementation Specialist – Data Foundations (CMDB and CSDM) (CIS-DF) is a ServiceNow certification that validates a professional's ability to manage a healthy Configuration Management Database (CMDB) aligned with the Common Service Data Model (CSDM) framework.
It goes deeper than CSA and emphasizes real implementation decisions, not just theory.
Core exam domains (CMDB & CSDM focused)
1. CMDB Fundamentals
CMDB tables and class hierarchy
Configuration Items (CIs)
CMDB relationships (Depends on, Hosted on, Runs on, etc.)
Identification & reconciliation concepts
CI lifecycle (create → maintain → retire)
2. Common Service Data Model (CSDM)
Very high-weight exam topic
Key CSDM concepts you must know:
CSDM domains
Design – Business capability, business application
Build – Application service, service offering
Manage – Technical services, infrastructure CIs
Sell/Consume – Requestable services
Critical CSDM entities
Business Application
Application Service
Technical Service
Service Offering
Business Capability
CI relationships between them
Expect scenario-based questions like:
“Where should a CI be modeled in CSDM?”
3. CI Relationships & Service Mapping
Relationship direction matters
Application services vs technical services
Manual vs automated service mapping
How relationships affect impact analysis
4. Data Population & Maintenance
Discovery vs Service Mapping
Import Sets and Transform Maps for CMDB
Coalesce usage for CI updates
Avoiding duplicate CIs
Reconciliation rules (conceptual)
5. CMDB Health & Governance
CMDB Health Dashboard
Completeness
Correctness
Compliance
CI Class Manager
Data certification
Best practices for data ownership
6. Extending the CMDB
When to extend vs create new CI classes
Custom attributes on CI classes
Avoiding bad CMDB design
Impact of customization on upgrades
7. Security & Access Control
ACLs on CMDB tables
Role-based access
Data protection considerations
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