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Certifications/其他/ServiceNow CIS-Discovery
其他专业级📚 其他

ServiceNow Certified Implementation Specialist - Discovery (CIS-Discovery)

ServiceNow Discovery certification covering MID Server deployment, Discovery Patterns, probes and sensors, CMDB identification and reconciliation, schedules, and discovery troubleshooting. 60 questions, 90 minutes, 70% to pass, $250 exam fee, CSA recommended.

Start PracticeBrowse Learning Path
60
Questions per exam
104
Question bank total
90m
Exam Duration
70/100
Passing Score
$250
Exam Fee

At a glance

104 questions
Best forServiceNow consultants implementing Discovery and CMDB population workflows, CMDB engineers responsible for infrastructure visibility and CI quality
Prep pace5-7 weeks with experience
Course pack2 chapters · 20 hours
Learner signal0 enrolled · 0/5
?
Bottom line · It depends

CIS-Discovery 面向做 CMDB 自动发现和基础架构可视化的 ServiceNow 工程师 — MID Server 部署和 Discovery Pattern 配置是考试和工作中的核心技能。

What this certification covers

This page is structured for quick scanning first: exam format, fit, prep time, and the actual study scope.

ServiceNow CIS-Discovery 验证配置和管理 Discovery 模块（ITOM 套件的基础组件）的能力。60 题 / 90 分钟，及格线 70%（42 题），费用 $250 USD，需先持有 CSA。

Discovery 的核心功能是自动扫描网络中的服务器、数据库、应用和网络设备，将发现的 CI 数据填充到 CMDB。它依赖 MID Server（一个 Java 应用，部署在客户网络内部）作为中间代理 — MID Server 执行扫描命令（SSH/WMI/SNMP），将结果发回 ServiceNow 云实例。

考试最重要的三块：MID Server（安装/集群/IP Range 绑定/故障排查，约占 25%）、Discovery Patterns（水平模式发现 CI + 垂直模式发现应用层，替代传统 Probe/Sensor，约占 20%）、CMDB 数据填充（CI 类层级/关系类型/Identification Engine 去重规则，约占 20%）。

You will work with

MID ServerDiscovery PatternsHorizontal DiscoveryVertical DiscoveryDiscovery ScheduleIP RangeClassification RulesCMDB PopulationIdentification EngineReconciliationCredentialsSSHWMISNMPService MappingPattern DesignerPattern Blocks

After preparation

  • Earn the ServiceNow CIS-Discovery certification
  • Deploy and manage MID Servers for reliable infrastructure discovery
  • Configure schedules, credentials, patterns, and CMDB population rules correctly
  • Troubleshoot discovery failures and improve CI accuracy in the CMDB

Exam details

Exam Code
CIS-Discovery
Provider
其他认证机构
Duration
90 minutes
Question Count
60 questions
Passing Score
70/100
Validity
3 years
Exam Fee
$250 USD
Question Types
Single choice, Multiple select
Languages
English
Official Page
Open AWS page

Who should take it

Good fit

  • ServiceNow consultants implementing Discovery and CMDB population workflows
  • CMDB engineers responsible for infrastructure visibility and CI quality
  • ITOM specialists managing MID Servers and discovery schedules
  • Platform administrators supporting infrastructure discovery integrations

Before you start

  • CSA is recommended before taking CIS-Discovery
  • Hands-on experience with MID Server setup or Discovery configuration
  • Understanding of CMDB concepts, CI classes, and identification rules
  • Basic networking knowledge across SSH, WMI, SNMP, and credential usage
  • Experience reading discovery logs and troubleshooting scan issues is useful

Is it worth it? Career value

Salary ranges, target job titles, and the real career impact of holding ServiceNow CIS-Discovery.

澳洲
$120K-165KAUD
美国
$110K-155KUSD
中国
¥280K-450KCNY
ServiceNow Discovery EngineerCMDB EngineerITOM Specialist基础架构自动发现工程师

ServiceNow Discovery/CMDB 在澳洲的需求集中在大型企业的 IT 资产可视化项目 — 金融机构需要知道"我的数据中心里跑了哪些服务器、每台服务器上运行什么应用、应用之间有什么依赖关系"。CIS-Discovery 持证者在 ServiceNow 合作伙伴公司的 ITOM Practice 中需求稳定。

和 CIS-ITSM 相比，CIS-Discovery 更偏基础架构和网络方向 — 需要理解 SSH/WMI/SNMP 协议、IP 子网规划、服务器操作系统概念。

不适合的人群：只做 ITSM 流程配置（Incident/Change/Problem）的 ServiceNow 顾问 — Discovery 需要基础架构知识背景。

Study preparation

With hands-on AWS

5-7 weeks

From scratch

10-12 weeks

Daily pace

1.5-2 hours/day

Learning path preview

3 chapters
1
CIS-Discovery Exam Overview & Study Guide
45 min
2
Core Concepts
252 min
3
Final Review & Hands-on Exam Practice
60 min

Step-by-step preparation

A concrete week-by-week plan from past test-takers — not generic advice.

1

第一阶段：MID Server 部署和管理（2-3 周）

在 PDI 上按官方文档安装 MID Server（Windows 或 Linux）。理解 MID Server 的架构角色：部署在客户防火墙内，通过 HTTPS 与 ServiceNow 实例通信。配置 IP Range 绑定（哪些 IP 段由哪个 MID Server 扫描）、MID Server 集群（多个 MID Server 负载均衡）、健康检查（状态：Up/Down/Upgrading）。

2

第二阶段：Discovery Patterns + 凭据管理（2-3 周）

水平模式（Horizontal Pattern，TCP 端口扫描 → CI 分类）和垂直模式（Vertical Pattern，SSH/WMI 登录后读取进程/服务 → 应用层发现）的区别。Pattern Designer 的使用。凭据类型（SSH/WMI/SNMP/JDBC/VMware）的配置和测试。CyberArk 密码库集成。Discovery Schedule 的创建（一次性/定时/持续扫描）。

3

第三阶段：CMDB 数据填充 + 模考（2 周）

CI 类层级（cmdb_ci → cmdb_ci_server → cmdb_ci_linux_server）。CI 关系类型（Depends on/Hosted on/Runs on）。Identification Engine 的去重规则（如何判断新发现的设备和 CMDB 中已有 CI 是同一个）。Reconciliation 处理多数据源冲突。Now Learning CIS-Discovery 路径 + 模考 2 次。

Real test-taker experiences

What it actually took for real candidates to pass — prep time, scores, and lessons learned.

MID Server 相关的题占了近 1/4 — 安装问题排查、IP Range 配置、集群设置都考了。Discovery Pattern 和传统 Probe/Sensor 的对比也出了 3 道。建议在 PDI 上把 MID Server 完整安装和配置一遍。

ITOM 顾问 3 年76%
ServiceNow 合作伙伴 · 6 weeks prep

有 Linux/网络基础对 Discovery 的技术概念理解很快（SSH 凭据、SNMP 团体字符串、TCP 端口扫描），但 ServiceNow 平台的操作方式需要额外学习。CMDB 数据模型（CI Class 层级和关系类型）是我最薄弱的部分。

Linux Admin 转 ServiceNow72%
系统管理员 5 年 · 9 weeks prep

Certification comparison

ServiceNow CIS-DiscoveryServiceNow CSAServiceNow CIS-ITSM
Provider其他其他其他
Level专业级助理级专业级
Fee$250$200$250
Duration90 min90 min90 min
Questions per exam606060
Validity3 yrs3 yrs3 yrs

Study tips and common mistakes

💡

60 题 90 分钟，1.5 分钟/题。MID Server 题通常比较直接，快速作答留时间给 CMDB 数据模型题。

💡

Discovery Schedule 的 IP Range 配置题注意 CIDR 表示法 — 需要知道 /24 = 256 个 IP、/16 = 65536 个 IP。

💡

PDI 是免费且最好的学习环境。ServiceNow 的 Now Learning 平台有完整的 CIS-Discovery 学习路径。

⚠️

**MID Server 不能直接安装在 ServiceNow 云实例上** — MID Server 必须部署在客户自己的网络中（能访问被扫描设备的网段），通过 HTTPS 443 端口与 ServiceNow 云实例通信。

⚠️

**Discovery Pattern vs Probe/Sensor 选型** — Pattern 是新一代（声明式、可视化编辑），Probe/Sensor 是旧一代（脚本式）。ServiceNow 推荐所有新实施用 Pattern，但旧环境可能仍在用 Probe/Sensor。考试侧重 Pattern。

⚠️

**Identification Engine 的 CI Identifier 配置错误** — 如果 Identifier 规则配得太宽松（比如只用 hostname 匹配），会导致不同设备被误合并为同一个 CI。配得太严格会导致同一设备被创建多个 CI。

Frequently Asked Questions

If you plan to take ServiceNow CIS-Discovery, start with real practice.

104 questions, chapter-by-chapter learning, mock exams, wrong-question review, and AI tutor support live in the exam page.

Go to exam prep

From $39 · 2 free chapters

Student reviews

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Related certifications

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ServiceNow CIS-ITSM

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ServiceNow CIS-HAM

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EXAM PREP

ServiceNow CIS-Discovery Question Bank

Chapter-by-chapter learning + mock exams + AI tutor

104
Questions
2
Chapters
20h
Study
AI
Tutor
  • First 2 chapters free
  • Real exam format mock tests
  • AI-powered wrong answer review
  • Chapter progress tracking
From $39
Start Practice Now

Prep snapshot

Study chapters2
Practice questions104
Estimated hours20h

What is inside

  • Strong focus on MID Server deployment, capabilities, health, and connectivity
  • Practical comparison of Discovery Patterns versus traditional probes and sensors
  • Coverage of identification, reconciliation, and CMDB population behavior
  • Scenario-based practice for schedules, credentials, ECC Queue troubleshooting, and data quality
  • Mock exam aligned to the official 60-question, 90-minute format