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Exam Information
Official specifications published by ServiceNow
Exam Format
90 min
45
Not publicly disclosed (predetermined cut score, not always 70%)
Implementation Specialist
Registration
$315 USD
Pearson VUE or online proctoring
Waiting period required between attempts; full exam fee for each retake
Validity
Annual maintenance required
Complete annual delta maintenance exams; Pay yearly Certification Maintenance Program (CMP) fee
CIS-DISCO Exam Topics and Domains
CIS-DISCO is organized into 4 weighted domains. Expect to work with CMDB, Discovery Admin Workspace, Discovery, Pattern Operations, and more.
1
Discovery Pattern Design
35%
Pattern Designer
Pattern Designer Interface and NavigationDebug Mode in Pattern DesignerPattern StepsPattern Sections
- Navigate and use the Pattern Designer interface to create and modify patterns
- Use debug mode to troubleshoot pattern execution issues
- Configure and order pattern steps correctly
- Understand the purpose and configuration of pattern sections
Operations
Match OperationsParse Variable OperationsParse File OperationsParsing Strategies
- Configure match operations to identify CIs accurately
- Use parse variable operations to extract data from command output
- Parse configuration files using appropriate operations
- Select and implement the correct parsing strategy for different data types
Syntax
Variables in PatternsAttributes in PatternsRegular Expressions (Regex)
- Use correct variable syntax within pattern definitions
- Map discovered attributes to CMDB CI attributes accurately
- Write and test regular expressions for pattern-based data extraction
Application Identification and Connection Sections
Patterns for Application IdentificationIdentification SectionsConnection SectionsPattern Troubleshooting
- Configure patterns for application identification using various methods
- Set up identification sections to accurately determine CI identity
- Configure connection sections to discover CI relationships
- Troubleshoot and resolve common pattern execution issues
2
Discovery Configuration
35%
Discovery Setup
Discovery BehaviorsDiscovery ClustersIP ServicesDiscovery Schedules
- Configure discovery behaviors to control how discovery operates
- Set up and manage MID Server clusters for discovery
- Define IP services and their CI class mappings
- Create and manage discovery schedules including Quick Discovery
Discovery Process Flow
PCIE Phases (Port Scan, Classification, Identification, Exploration)ECC QueueDiscovery StatusDiscovered Device
- Explain the four PCIE phases and what occurs in each phase
- Describe how the ECC Queue facilitates discovery communication
- Monitor and interpret discovery status records
- Understand how discovered devices are processed and mapped to CIs
Discovery Troubleshooting
Discovery ErrorsDuplicate CI ResolutionCredential Troubleshooting
- Diagnose and categorize discovery errors using appropriate tools
- Resolve duplicate CI issues using de-duplication processes
- Troubleshoot credential authentication failures in discovery
3
Configuration Management Database
15%
CI Class Manager
CMDB Health DashboardCI Class Manager InterfaceCMDB TablesCI ReclassificationCMDB Relationships
- Use the CMDB Health Dashboard to assess data quality
- Navigate CI Class Manager to manage CI classes and attributes
- Understand CMDB table structure and inheritance
- Explain CI reclassification triggers and impacts
- Configure and understand CMDB relationship types
CMDB Identification and Reconciliation
CI IdentifiersReconciliation DefinitionsData Source PrecedenceCMDB De-duplication
- Configure CI identifiers and understand the one-per-class rule
- Set up reconciliation definitions for multi-source data management
- Configure data source precedence to control data authority
- Execute and manage CMDB de-duplication processes
4
Discovery Engagement Readiness
15%
Planning
MID Server Requirements and Specifications
- Identify MID Server hardware, software, and network requirements
- Plan MID Server deployment based on environment sizing
Operationalizing IT
MID Server DashboardDiscovery DashboardsBenefits of Discovery
- Monitor and manage MID Server operations using dashboards
- Use Discovery Admin Workspace for operational oversight
- Articulate the benefits of Discovery for IT operations
Discovery Solution
Business Value of DiscoveryDiscovery Definition and ScopeDiscovery Positioning
- Communicate the business value of Discovery to stakeholders
- Define Discovery scope and capabilities accurately
- Position Discovery within the broader ITOM product suite
How do I earn this certification?
Passing CIS-DISCO earns the Certified Implementation Specialist - Discovery certification. It sits in the IT Operations Management (ITOM) - Visibility track.
Next Level Options
- Certified Technical Architect (CTA)
- Certified Master Architect (CMA)
Alternative Paths
- CIS-ITSM - CIS - IT Service ManagementFor professionals focused on service delivery rather than infrastructure visibility
- CIS-CSM - CIS - Customer Service ManagementFor professionals focused on customer-facing service operations
- CIS-SAM - CIS - Software Asset ManagementFor professionals focused on software asset management leveraging Discovery data
Practice with Precision
The PlanetCert Simulator mirrors the real exam environment with authentic questions and timed pressure.
How to study for this exam?
The most effective way to prepare for CIS-DISCO is by using the PlanetCert Simulator to practice questions and review detailed explanations.
What's changed on this exam?
Current Status
- ACTIVE
- Last content update: 2025-11-01
Updates
- Discovery Admin Workspace Current (Zurich/Yokohama releases) New centralized workspace for managing Discovery operations, diagnostics, anomaly detection, and scheduling. Likely tested in exam. • Release date: 2025
- Virtual Agent Diagnostics Discovery Admin Workspace v1.8.0+ New chatbot feature in Diagnostics page for retrieving diagnostic information. Covered in delta exam study guide. • Release date: 2025
- Anomaly Detection for Discovery Schedules Current platform releases Automated detection of schedule anomalies (failed schedules, low CI discovery rate, increased error count, long run time). Important for troubleshooting domain. • Release date: 2025
Who should take this exam?
Certified Implementation Specialist - Data Foundations (CIS-DF) (CMDB and CSDM) Certification
- Intermediate or above Windows and Unix administration skills
- Intermediate or above SNMP query knowledge
- Intermediate or above JavaScript and regular expression scripting skills
- Introductory or above network administration knowledge
- Six months field experience participating in implementing ServiceNow ITOM solutions, specifically Discovery
- Participation in at least two ServiceNow Discovery deployments
- ServiceNow Certified System Administrator (CSA)
- ITIL v3 Foundations Certified