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TheCommon Service Data Model (CSDM)is a framework provided by ServiceNow that ensures your application's data correctly maps to theConfiguration Management Database (CMDB)tables. It standardizes howconfiguration items (CIs), services, and relationshipsare structured within the CMDB.

Standardized Data Model:Ensures consistent and correct CMDB data structuring.

Alignment with CMDB Best Practices:Helps businesses align their IT assets, services, and business functions effectively.

Better Service Mapping:Provides structured relationships between business services and their technical components.

Compliance & Governance:Ensuresdata integrityby enforcing best practices for CMDB population.

Key Functions of CSDM:

Incorrect Answer Choices Explanation:B. Service Mapping Utility (SMU)– Service Mapping is used fordiscovering and mapping dependenciesbut is not a data model framework.

C. Service Schema Map (SSM)– No such official term exists in ServiceNow documentation.

D. CMDB Class Manager (CMDBCM)– This is a tool used tomanage CI classesbut does not define a data model framework like CSDM.

E. CI Class Manager (CICM)– Incorrect term; CMDB Class Manager is used for CI class hierarchy management, not for mapping applications to CMDB tables.

ServiceNow Documentation: Common Service Data Model (CSDM)CSDM Overview

ServiceNow CMDB Best PracticesCMDB and CSDM Alignment

Official CSA Documentation Reference:

InServiceNow Incident Management,work notesare used to capturetechnical and internal updatesfor an incident. These notes arestored in the Activity Logwhenever the incident is saved.

TheWork Notesfield is used forinternal communicationamong support teams.

When an incident is updated and saved,all work notesareappended to the Activity Log(a complete history of the incident).

The Activity Log provides achronological recordof all changes, includingwork notes, field updates, and system-generated messages.

Understanding Work Notes and the Activity Log:Why Option A is Correct?"All Work Notes field text is recorded in the Activity Log"– This is correct because every time an incident is saved, the Work Notesare appended to the Activity Log.

Why Other Options Are Incorrect?B. Work Notes field text is overwritten each time work is logged→ Incorrect becauseWork Notes are appended, not overwritten. Previous work notes remain visible in the Activity Log.

C. Impact is calculated by adding Priority and Urgency→ Incorrect becauseImpact, Urgency, and Priorityare independent fields, thoughPriorityis determined based onImpact + Urgencyvia business rules.

D. Additional Comments are cleared and recorded in Work Notes→ Incorrect becauseAdditional Comments(for customer-facing communication) andWork Notes(for internal teams) areseparate fields. Additional Comments are not cleared upon save.

ServiceNow Docs – Incident Management: Work Notes and Activity

ServiceNow Learning – Understanding the Incident Activity Stream

ServiceNow Best Practices – Internal vs. External Communication in Incidents

References from Certified System Administrator (CSA) Documentation:

AReference fieldin ServiceNow allows you tolook up values from another table, effectively creating a relationship between two tables. When a user selects a value in a reference field, they are selecting a record from the referenced table.

Stores asys_id(unique identifier) of a record from another table.

Displays a user-friendly label from the referenced record.

Allowsdot-walking, enabling access to related fields from the referenced table.

Incident Table (source table)→ Contains a"Caller"field that references theUser Table(sys_user).

TheCallerfield allows users to select a user from theUser Table.

B. Verity→ Not a valid field type in ServiceNow.

C. Options→ Options are typically used in choice lists, not for referencing another table.

D. Selections→ No such field type exists in ServiceNow.

E. Dot Walk→ Dot-walking is afeaturethat allows accessing related fields but is not a field type itself.

F. Lookup→ While "Lookup Select Box" exists, it functions differently by filtering choices rather than directly referencing another table.

InServiceNow, thepersonal_listrole allows users toadd or remove fields from a list viewwithout requiring full administrator privileges.

Modify List Layout (Columns & Fields)

Users canadd, remove, or rearrange columnsin list views.

Save Personal List Preferences

Customizations applyonly to the user, unless they have additional permissions to modify system-wide settings.

Does NOT Allow System-Wide Changes

Unlike theadminrole,personal_listonly affectspersonal viewsof lists, not global configurations.

A. personalize.control(Incorrect)

No such role exists in ServiceNow.

C. ui_page_admin(Incorrect)

This role allows users tomanage UI Pages, but it does not provide list customization permissions.

D. ui_action_admin(Incorrect)

This role is used tomanage UI Actions(buttons, links, and client-side scripts), not list view configurations.

Key Capabilities of thepersonal_listRole:Why Other Options Are Incorrect?

Role-Based List Customization

ServiceNow List Personalization

User Roles and Permissions

ServiceNow User Roles

References from ServiceNow CSA Documentation: