Certified Implementation Specialist - Discovery (CIS-DISCO) Mainline Exam Blueprint


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Updated November 2025


Introduction

The ServiceNow Certified Implementation Specialist – Discovery Exam Specification document defines the purpose, audience, testing options, exam content coverage, test framework, and prerequisites for earning the the Certified Implementation Specialist – Discovery certification.

 

Exam Purpose

The Certified Implementation Specialist – Discovery exam confirms you have the knowledge and skills to configure, implement, and maintain the ServiceNow Discovery application. This certification validates their ability to design and troubleshoot patterns, manage Discovery processes and schedules, maintain the CMDB, and ensure operational readiness. Certified individuals enhance IT operations by delivering accurate visibility into infrastructure and services. 

 

Exam Audience

The ServiceNow Certified Implementation Specialist – Discovery exam is available to ServiceNow customers, partners, employees, and others interested in becoming a ServiceNow Discovery Implementation Specialist. Here is the recommended experience: 

  • 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 

 

Exam Prerequisites 

Prerequisite Certification 

  • Candidates must hold the Certified Implementation Specialist – Data Foundations (CMDB and CSDM) Certification before registering for this exam. 

 

Exam Preparation

Exam questions are based on official ServiceNow training materials, the ServiceNow Product documentation site, and the ServiceNow developer site. Study materials posted elsewhere online are not official and should not be used to prepare for the examination.

ServiceNow recommends completing these training course(s) in preparation for the Certified Implementation Specialist – Discovery exam. 

  • ServiceNow Fundamentals
  • ServiceNow Get Started with Now Create
  • ServiceNow Platform Implementation
  • CMDB Fundamentals
  • Discovery Fundamentals
  • CIS-Discovery: Certification Test Prep
  • Certified System Administrator
  • ITIL v3 Foundations Certified

 

Additional Resources 

In addition to the above, these additional resources are valuable in preparation for the exam. 

 

 

Exam Scope

This table shows the exam domains, weightings, sub-topics, and the percentage of questions represented in each domain. The listed sub-skills should NOT be considered an all-inclusive list of the exam content.  

 

Number of Domains

Exam Domain

Percent of Exam

1

Discovery Pattern Design

  • Pattern Designer (Debug, Steps, Sections)
  • Operations (Match, Parse variable, Parse file, Parsing strategies) – 
  • Syntax (Variables, Attributes, Regex) 
  • Application Identification and Connection Sections (Patterns, Identification and Connection Sections, Troubleshooting) 

35%

2

Discovery Configuration 

  • Discovery Setup (Behaviors, Clusters, IP Services, Schedules) 
  • Discovery Process Flow (PCIE Phases, ECC Queue, Status, Discovered Device) 
  • Discovery Troubleshooting (Discovery Errors, Duplicates, Credentials) 

35%

3

Configuration Management Database  

  • CI Class Manager (CMDB Health Dashboard, CI Class Manager, CMDB Tables, Reclassification, CMDB Relationships) 
  • CMDB Identification and Reconciliation (CI Identifiers, Reconciliation Definitions, Data source Precedence, CMDB De-duplication) 

15%

4

Discovery Engagement Readiness 

  • Planning (MID Server Requirements and Specifications) 
  • Operationalizing IT (MID Server and Discovery Dashboards, Benefits) 
  • Discovery Solution (Business Value, Definition, Positioning) 

15%

Total

100%

 

Exam Registration

 Step 1: Register for your exam 

  • Registration = payment. This step secures your exam attempt. Learning credits and credit card payments are accepted. Instructor-led training completion includes one free exam attempt. Discounted exam pricing may be available through associated company benefits.  
  • Click here to register for the CIS – DISCO exam. 
  • You can register at any time. Once registered, you have 90 days to schedule and complete your exam. 
  • Exam fees are non-refundable. Register only when you are prepared to schedule your exam. 

Step 2: Schedule your exam 

  • Click here to schedule the CIS – DISCO exam. Note: ServiceNow provides reasonable accommodation to individuals with disabilities or English as a Second Language (ESL) while taking the certification exam. 
  • Schedule within 90 days. After registration, you must schedule your exam appointment and complete your exam within 90 days. 

Step 3: Choose your exam delivery method 

  • From the My Exams page, you will be directed to Pearson. 
  • Choose to take your exam at a Pearson test center or online with OnVUE, where proctors observe via a webcam. 

Step 4: Complete your exam  

  • If you do not complete your exam within 90 days, your registration will expire, and you will need to register and pay the full exam fee again (start at step 1 again). 

 

Exam Structure

Exam Duration

The exam duration is 90 minutes.

Number of Items

The exam consists of 45 questions. 

 

Multiple Choice (single answer)

For each multiple-choice question on the exam, there are at least three possible responses. Select the correct response. 
 

Multiple Select (select all that apply)

There are at least four possible responses for each multiple-select question on the exam. The question will state how many responses should be selected. Select ALL correct responses. Partial credit is not provided. 

 

Exam Result

An exam result notification is immediately displayed as a *conditional pass or fail after completing and submitting the exam.  

In addition, an exam result report is available and shows your exam result and the percentage of items in each section you answered correctly. Your exam result is conditional, meaning your results are preliminary and may be updated upon final review.  

*A conditional result means the exam can be audited and reviewed at any time, and the certification may be revoked after investigation if it is found that the ServiceNow Test Security Policies have been violated.   

 

 Understanding Your Results: 

 
Each question on the exam is worth one point. Your total score is compared to a predetermined cut score - this score is not publicly shared and is not always 70%  - to determine a pass or fail outcome. The section percentages on the exam result notification show how you performed in each domain, but they do not determine your overall result, should not be averaged, and do not indicate expertise. 

 

If You Pass: 

  • You will earn the Certified Implementation Specialist – Discovery certification and receive a Credly digital badge to showcase your achievement. 
  • To maintain your certification, complete annual maintenance exams (deltas) and pay the yearly Certification Maintenance Program (CMP) fee. 

 

If You Do Not Pass: 

  • Review the exam blueprint and the recommended training before retaking the exam. 
  • The retake policy requires a waiting period between attempts and payment of the exam fee for each attempt. 

 

Sample Questions

Sample Item 1:  

In Discovery, what causes a pattern to fail during discovery? 

A. No firewalls installed on the host 

B. No parse variable operation used in a step 

C. No pattern attached to a classification 

D. No CI Identifier exists 

Answer: C 

 

Sample Item 2:  

Which Discovery phase is the error “No credentials would authenticate, tried” found on? 

A. Port Scan 

B. Classification 

C. Identification 

D. Exploration 

Answer: B 

 

Sample Item 3:  

How many CI Identifiers can be configured per CI Class? 

A. One 

B. Two 

C. Five 

D. Ten 

Answer: A 

 

Sample Item 4:  

In Discovery, what should the customer always configure during implementation? 

A. Change Management 

B. Probes 

C. Subnets 

D. Credentials 

Answer: D 

 

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