Event Management Overview
About 13% of the CIS-EM exam — see all 5 domains.
This domain sets positioning and vocabulary.
What Event Management is and where it fits
Event Management is part of ITOM (IT Operations Management), ServiceNow's suite for managing infrastructure and services. ITOM's pillars include Discovery and Service Mapping (populate and relate the CMDB), Event Management (turn monitoring noise into actionable alerts), Operational Intelligence / Metric Intelligence (anomaly detection on metrics), Health Log Analytics (anomaly detection on logs), and Cloud/Service operations. Together with machine learning these form ServiceNow's AIOps story.
The customer problem Event Management solves: enterprises run many monitoring tools (SCOM, SolarWinds, Nagios, Zabbix, cloud-native monitors), each generating its own alerts in its own silo. There is no single, prioritized, service-aware view. Event Management consolidates events from all of these into one place, deduplicates and correlates them, binds them to the CMDB, and computes business impact — so operators act on what matters.
Core value concepts
- Noise reduction — many events to few alerts, via message keys, thresholds, correlation, and aggregation.
- Service awareness — alerts bound to CIs and rolled up to business services, so impact is visible.
- Proactivity — Operational Intelligence and Health Log Analytics surface anomalies before a hard threshold breach or outage.
- Closed-loop remediation — from alert to automated fix via Flow Designer subflows.
- CSDM alignment — Event Management relies on a CMDB structured per the Common Service Data Model so that service impact and reporting are meaningful.
Dashboards and visibility
Operators and managers consume Event Management through Service Operations Workspace, alert consoles, business service maps (showing active alerts on CIs and their relationships), and dashboards/Performance Analytics for trends. The dashboards answer "what is broken, what does it affect, and is it getting better."
Sample questions from this domain
Three of the 39 in this domain, with the reasoning. The full set is in the question bank.
Which ServiceNow capability is primarily responsible for ingesting raw monitoring events, de-duplicating and correlating them, and generating actionable alerts?
- A. Service Mapping
- B. Discovery
- C. Event Management ✓
- D. Performance Analytics
Why: Event Management is purpose-built to ingest raw events (em_event), de-duplicate them, correlate related events, and create alerts (em_alert). Service Mapping builds service topologies but does not process events. Discovery populates the CMDB with CIs. Performance Analytics provides scored trend reporting, not event processing.
In Event Management, what is the primary purpose of binding an event to a configuration item (CI)?
- A. To convert the event into a discovery schedule
- B. To prevent the event from being deleted by the cleanup job
- C. To encrypt the event payload before it is stored
- D. To associate the resulting alert with a CI so impact and service health can be calculated ✓
Why: Binding ties an event/alert to a CMDB CI so that impact calculation and service health for the related business or technical services can be determined. It does not control event deletion, create discovery schedules, or encrypt payloads.
Which table stores raw monitoring events that have been received by ServiceNow Event Management before they are processed into alerts?
- A. em_alert
- B. em_impact_status
- C. em_event ✓
- D. sn_event_raw
Why: Raw events are stored in the em_event table. em_alert holds the alerts generated from events. em_impact_status tracks service impact. sn_event_raw is not a standard Event Management table.