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Best ServiceNow Administrator Job Interview Questions | SPOTO

Whether you're preparing for your first job interview or leveling up your career, having the right preparation makes all the difference. This comprehensive resource covers the most common and challenging Interview Questions and Answers across a wide range of roles and industries — from technical positions to managerial and entry-level jobs. Browse our curated lists of Frequently Asked Interview Questions, behavioral interview questions and answers, situational interview questions, and role-specific interview prep guides designed to help you walk into any interview with confidence. Whether you're looking for IT interview questions and answers, project management interview questions, or top interview questions for freshers, our expert-reviewed content gives you real-world sample answers, proven tips, and insider strategies to help you stand out.
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1
How are tables created in the system definition in ServiceNow?
Reference answer
Tables are created in the system definition module, fields are added with appropriate types, and access permissions are assigned. Relationships and dependencies are defined for accurate data modeling. Update sets track changes for migration to other instances. Testing ensures the table works correctly in workflows. Naming conventions and standards maintain consistency. Proper table design is critical for system stability.
2
How would you describe an application in ServiceNow?
Reference answer
In ServiceNow, an application is a collection of modules, tables, and resources designed to provide specific business functionality. It includes features like forms, workflows, and reports, and can be customized to meet organizational needs. Applications also have security controls, ensuring only authorized users can access them. For example, the Incident Management application includes modules to log, track, and resolve incidents.
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3
Define ACL?
Reference answer
An access control list (ACL) in ServiceNow determines what data users have access to and how they may access it.
4
What are Data policies?
Reference answer
With data policies, you can enforce data consistency by setting mandatory and read-only states for fields. Data policies are similar to UI policies, but UI policies only apply to data entered on a form through the standard browser. Data policies can apply rules to all data entered into the system, including data brought in through email, import sets or web services and data entered through the mobile UI.
5
How do you disable attachments for a specific table?
Reference answer
Open the table's dictionary entry. In the configuration, uncheck the "Allow attachments" option. This prevents all users from uploading files to that table's records.
6
Name the various Workflow Activities.
Reference answer
The following are the various Workflow Activities:- - Conditions - Tasks - Timers - Utilities - Notifications - Approvals
7
Which users can't be impersonated in ServiceNow?
Reference answer
Inactive users. Users with no userID.
8
Can we delete a table in ServiceNow?
Reference answer
Administrators can delete custom tables that are no longer needed. A table is custom if an administrator created it and it is not part of a system upgrade or plugin activation Custom table names always begins with u_, or x_ for scoped tables You cannot delete base system tables. If you inadvertently delete such a table, it is automatically recreated when you upgrade an instance. You cannot delete a table with associated tables extending from it. Deleting all records for a table also deletes records from tables that extend the table
9
What is the purpose of ServiceNow Orchestration?
Reference answer
ServiceNow Orchestration is a module that automates complex IT and business processes across multiple systems and applications. It extends the capabilities of ServiceNow workflows by integrating with external systems through APIs, scripts, and connectors. Orchestration enables tasks such as user provisioning, incident remediation, and system monitoring to be automated, reducing manual effort and improving efficiency. It supports seamless coordination of activities across different platforms, ensuring consistent and reliable process execution.
10
What does dictionary override mean in ServiceNow?
Reference answer
A Dictionary Override in ServiceNow allows you to modify field properties (like type, label, or default value) for a specific table without affecting the same field in other tables. It is useful when customizing inherited fields from extended tables. For example, in ServiceNow, the Priority field in the Task table may default to 4 - Low, but in the Incident table, you may want it to default to 3 - Moderate. Using a Dictionary Override, you can customize the default value of the Priority field for the Incident table without changing it for the Task table.
11
What is ServiceNow?
Reference answer
ServiceNow is a cloud based IT Service Management (ITSM) tool. It provides a single system of record for: All aspects of IT Services live in the ServiceNow ecosystem. It gives us a complete view of services and resources. This allows for broad control of how to best allocate resources and design the process flow of those services.
12
What is ServiceNow?
Reference answer
ServiceNow is a cloud-based firm that offers specialized management software (SaaS). The company specializes in IT services management (ITSM), IT operations management (ITOM), and IT business management (ITBM) and offers several apps and plugins to help users manage projects, teams, and client interactions. ServiceNow is simple to integrate with other tools.
13
Describe a time you had to meet a tight deadline. How did you ensure you met it without compromising the quality of your work?
Reference answer
This question evaluates your time management and prioritization skills. Discuss your approach to arranging tasks, making use of ServiceNow's service management features judiciously to maintain high standards.
14
What is the difference between Access Control Rules (ACLs) and Data Policies?
Reference answer
While both are used to restrict data access and ensure data integrity, Access Control Rules (ACLs) dictate who can access particular data and perform operations like read, write, or delete. In contrast, Data Policies enforce data quality by setting field attributes to mandatory or read-only, ensuring the data that's entered adheres to certain standards.
15
How can locked-out users trigger inbound email actions?
Reference answer
Locked-out users cannot directly trigger inbound email actions in ServiceNow since they cannot log into the system. However, inbound email actions can still be triggered in certain scenarios: - Email Processing: Even if a user is locked out, if they send an email to a ServiceNow inbox (such as for incident creation), the system can still process the email based on predefined rules. - Email Accounts with Access: If the email action is configured to handle messages from a specific address (like a support email account), it can trigger inbound actions even if the sender's account is locked. The key is that inbound email actions are based on email content, not user login status, so locked-out users can still interact with the system via email.
16
What is the difference between a Script Include and a Business Rule?
Reference answer
A Script Include is a reusable server-side script that can be called from other scripts, making it ideal for shared functions. In contrast, a Business Rule is an event-driven script that runs when records are inserted, updated, or deleted, ensuring specific actions are taken based on database events.
17
What is the primary function of Service Now admin?
Reference answer
To develop custom applications and customise out-of-the-box applications
18
What are some best practices for impersonation in ServiceNow?
Reference answer
Some best practices for impersonation are-
19
What is the application navigator in ServiceNow?
Reference answer
The application navigator, often known as the left navigation bar, gives users rapid access to all programs and the modules they include, allowing them to discover information and services quickly. In Instance, an application is a collection of modules (or pages) that provide linked information and functionality. The Incident application, for example, has modules for creating and viewing incidents. Modules for configuring servers, databases, and networks are available in the Configuration Management application.
20
Display duplicate records in any table without using GlideAggregate
Reference answer
Use GlideRecord with orderBy and compare adjacent records. var gr = new GlideRecord('incident'); gr.orderBy('number'); gr.query(); var prevNumber = null; while (gr.next()) { var currentNumber = gr.getValue('number'); if (currentNumber === prevNumber) { gs.info('Duplicate: ' + currentNumber); } prevNumber = currentNumber; }
21
What are journal fields in ServiceNow?
Reference answer
Journal fields work together to create a log of changes and comments as tasks are worked on. Journal fields work on audited tables only. Fields of the journal_input type are multi-line text boxes which, upon saving, add the comments into the Activity field with a notation Two fields in ServiceNow are journal fields – Additional Comments and work notes.
22
How does Knowledge Management work?
Reference answer
Knowledge uses article lifecycle, user feedback, and publishing workflows to capture and share support content, improving first-call resolution.
23
What is Performance Analytics?
Reference answer
Performance Analytics is an additional application in ServiceNow that allows customers to take a snapshot of data at regular intervals and create time series for any Key Performance Indicator (KPI) in the organization.
24
What do you mean by application navigator and how to modify service catalog items?
Reference answer
Application navigator is used to linking the application menus and modules. The service catalog can be modified by using Service catalog> maintain the item.
25
How can ServiceNow integrate with other systems?
Reference answer
ServiceNow can integrate with other systems using various methods like SOAP, REST, and direct API calls. IntegrationHub is another feature in ServiceNow that allows for easy connection with other systems through Spokes and Flows.
26
How does the Email Notification system work in ServiceNow?
Reference answer
The Email Notification system in ServiceNow allows you to send email alerts and updates based on specific conditions and events. Notifications are configured with conditions that trigger them, such as record insertions, updates, or deletions. You can define the recipients, subject, and message content, including dynamic placeholders for record data. Email templates and notification rules help standardize and automate communication, ensuring that stakeholders are informed of important events and changes within the platform.
27
What is Response Template in HRSM?
Reference answer
A Response Template in HRSM is a pre-defined template used to standardize responses to HR cases.
28
What is the process to enable or disable an application in ServiceNow?
Reference answer
To enable or disable an application in ServiceNow, you need to modify its application settings through the Application Manager. Here's the process: To Enable an Application: - Navigate to the Application: Go to System Applications > Applications in the ServiceNow application navigator. - Search for the Application: In the list of installed applications, search for the application you want to enable. - Enable the Application: Once you find the application, click on it to open the details. If the application is disabled, you'll see a checkbox or toggle labeled Active. Simply check this box or toggle it to Active to enable the application. - Save Changes: Click Save or Update to apply the changes and enable the application. To Disable an Application: - Navigate to the Application: Go to System Applications > Applications in the ServiceNow application navigator. - Search for the Application: Find the application you want to disable. - Disable the Application: Open the application's record and uncheck the Active checkbox or toggle it to Inactive. - Save Changes: Click Save or Update to disable the application. Only users with the admin role can enable or disable applications. Disabling an application can impact users and workflows, so it's important to review the effects before making changes.
29
What is a remainder table in ServiceNow?
Reference answer
The Reminder [reminder] table provides a way to auto-generate reminders for a task. Any table that extends the Task table, such as the Incident [incident] table, can use the Reminder [reminder] table. You can add Reminders as a related list to the Incident form by opening the form context menu, navigating to Configure > Related Lists, and adding Reminders->Task. By default, only an administrator can create or modify a Reminder record. To enable non-administrators to create reminders, add create and read ACL rules to the Reminder [reminder] table and specify the user's role. To access the Reminder table, type reminder.do in the filter navigator.
30
Explain the difference between Client Script and Business Rule.
Reference answer
| Feature | Client Script | Business Rule | |---|---|---| | Execution Context | Executes on the client-side (browser) | Executes on the server-side (ServiceNow server) | | Trigger Events | Triggers on form load, field change, or submit | Triggers on database actions (before or after) | | Functionality | Used for client-side validation and UI behavior | Implements server-side logic and data manipulation | | Scope | Affects individual forms and UI actions | Applies globally across records or tables | | Performance | Lightweight and responsive | Heavier, impacting server processing |
31
What are Access control lists (ACL) rules in ServiceNow?
Reference answer
Access control lists (ACL) rules limit data access by directing users to meet a set of criteria before interacting with it. The following are the components for all access control list rules: The target to which access must be restricted is the object. Each object has a type and a name that distinguishes it from other tables, fields, or records.
32
Explain the use of the ServiceNow CMDB.
Reference answer
ServiceNow CMDB (Configuration Management Database) is used to manage configuration items (CIs) and their relationships within an organization's IT infrastructure. It provides a single source of truth for IT assets, helping to track configurations, dependencies, and changes. This aids in maintaining accurate information for incident, problem, and change management processes, ensuring better service delivery and reducing risks associated with changes.
33
What is the ServiceNow CMDB?
Reference answer
It is a central database that works as a digital warehouse for every technology an organization owns. Well, this tracks "Configuration Items" (CIs), which include the physical hardware such as servers and laptops.
34
How can Performance Analytics benefit a business using ServiceNow?
Reference answer
Performance Analytics provides in-depth insights, analytics, and visualizations about processes in ServiceNow. This data-driven approach helps businesses make informed decisions, identify bottlenecks, and continually improve their service delivery.
35
What is the latest version of ServiceNow Admin named after?
Reference answer
The latest versions are named after cities, including Jakarta, Orlando, Paris, and Cuba. Each version introduces new features, improvements, and security patches. Incremental releases enhance performance and usability. Admins plan upgrades to leverage new functionality. Versions maintain compatibility with plugins and scripts. Naming conventions help identify release timelines and scope.
36
How do you find all tables extended from a particular table?
Reference answer
You can find all tables extended from a particular table by querying the 'sys_db_object' table where the 'extends' field equals the name of the parent table.
37
What is a transform map in ServiceNow?
Reference answer
A transform map is a field map collection that identifies the relationships between fields in an import set and fields in a ServiceNow table, such as Incident [incident] or User [sys user]. You can reuse a transform map to map data from another import set to the same table after you've created it. An administrator can use the Transform Maps module to select destinations for imported data from any table. To describe the connection between source fields on an import set table and destination fields on any table, transform mapping can be as simple as a drag-and-drop procedure. Use transform mapping to map source and destination fields automatically.
38
What do You Mean by Task table?
Reference answer
The Task table can help in almost all work-related tables in ServiceNow. Because Incident, Problem, and Change all extend from Task, they all share common features like Assigned To, Due Date, and State.
39
What is isLoading function?
Reference answer
The isLoading function is a client-side function used to check if a widget or page is still loading data.
40
What methods can be used to retrieve active and inactive records from a table?
Reference answer
To retrieve active and inactive records from a table in ServiceNow, you can use the following methods: Using GlideRecord: You can filter records based on the active field, which typically holds a boolean value (true for active, false for inactive). For example: - Retrieve Active Records: var gr = new GlideRecord('incident'); gr.addQuery('active', true); // Filters for active records gr.query(); while (gr.next()) { // Process each active incident } - Retrieve Inactive Records: var gr = new GlideRecord('incident'); gr.addQuery('active', false); // Filters for inactive records gr.query(); while (gr.next()) { // Process each inactive incident } Using List Filters: You can use the ServiceNow UI to filter active or inactive records in a list view. Simply apply a filter on the active field (active = true for active records, active = false for inactive ones). Using Reports: You can create a report in ServiceNow that filters records based on the active field, showing either only active or inactive records. These methods allow you to efficiently query and retrieve records based on their active status, either programmatically or through the ServiceNow interface.
41
What is a Transform Map in ServiceNow?
Reference answer
A transform map is a set of fields that determines the relationship between fields in an imported dataset and fields in an existing ServiceNow table. It's used during data import to guide the movement of data from the import set table to the target table.
42
Describe how you configure SLAs for an urgent incident.
Reference answer
I would create a new SLA definition in the SLA module. The condition would match urgent incidents (priority = 1). The start condition would be "incident created," and the stop condition would be "incident resolved." I would also define a short target time, such as 4 hours, and attach it to the relevant priority rules.
43
Write a script to show the average resolution time for incidents in the last 30 days, grouped by category.
Reference answer
Use GlideAggregate with AVG aggregate. var ga = new GlideAggregate('incident'); ga.addQuery('sys_created_on', '>=', gs.daysAgoStart(30)); ga.addAggregate('AVG', 'resolved_at'); ga.groupBy('category'); ga.query(); while (ga.next()) { var avgTime = ga.getAggregate('AVG', 'resolved_at'); gs.info(ga.getDisplayValue('category') + ': ' + avgTime); }
44
What is change management in ServiceNow?
Reference answer
Change management provides an organized approach to control the life cycle of the complete change. This application offers plenty of useful changes that can be made without any major interference to IT services.
45
What is the difference between client-side and server-side scripting in ServiceNow?
Reference answer
In ServiceNow, client-side scripting refers to JavaScript code that executes on the user's browser, while server-side scripting involves JavaScript code that runs on the ServiceNow server. Client-side scripting is typically used for field validation, form manipulation, and UI enhancements. Server-side scripting, on the other hand, is used for data manipulation, enforcing business rules, and automating processes.
46
Describe client transaction timing.
Reference answer
Client transaction timing refers to the sequence of client-side events in ServiceNow: onLoad runs when a form loads, onChange runs when a field value changes, and onSubmit runs before form submission. Knowing this helps control UI behavior.
47
What is the typical interview process for a ServiceNow Admin support role?
Reference answer
Expect phone screen, technical interview with Q&A and live scenario, practical assignment, and final behavioral or hiring-manager interview; timelines vary by company.
48
Define GlideRecord.
Reference answer
In ServiceNow, GlideRecord is a Java class helpful to connect with the ServiceNow instance's database operations within a script. Also, this class offers many API methods to recover, build, update and remove various records saved within the ServiceNow instance.
49
Tell me about a case where you'd use an asynchronous call
Reference answer
An asynchronous call is used when you need to perform a long-running operation without blocking the user interface, such as sending a large number of emails or processing a large data import.
50
What are servicenow out-of-box tables?
Reference answer
Tables created by servicenow in the now platform. Examples- incident, problem, task,cmdb_ci etc admins can't delete these tables.
51
What Is a Recorded Glide?
Reference answer
A Recorded Glide in ServiceNow refers to the GlideRecord API, which allows for querying and interacting with the database from server-side scripts. CRUD (Create, Read, Update, Delete) actions are carried out on records using it. GlideRecord provides methods to query tables, retrieve data, and manipulate records programmatically. It supports server-side scripting to automate processes and enforce business logic. GlideRecord is fundamental for developing and customizing applications within ServiceNow.
52
What is a foreign record insert in ServiceNow?
Reference answer
When an import modifies a table that isn't the target for that import, it's called a foreign record insert. This occurs when a table's reference field is updated. When you edit a value for the caller on an incident, the import updates the sys user table.
53
What do you mean by BSM Map?
Reference answer
A BSM Map refers to a Business Service Management Map, an important ServiceNow feature. It presents the configuration items graphically and allows users to visualize ServiceNow CMDB and other business services.
54
What methods are used to manage access control in ServiceNow?
Reference answer
Access control in ServiceNow is managed through roles and access controls. Roles define permissions for users based on their responsibilities. Access controls specify which roles can access specific tables, fields, and UI actions. Access can also be controlled through ACLs (Access Control Lists) and business rules for finer control over data visibility and modification.
55
There is checkbox field with 3 values. User should select at least 2 checkbox. In case, if user did not select 2 checkbox then error should display
Reference answer
Use an onSubmit client script to validate. function onSubmit() { var checkedCount = 0; var checkboxes = ['field1', 'field2', 'field3']; for (var i = 0; i < checkboxes.length; i++) { if (g_form.getValue(checkboxes[i]) == 'true') { checkedCount++; } } if (checkedCount < 2) { alert('Please select at least 2 checkboxes.'); return false; } return true; }
56
Describe Flow Designer in ServiceNow.
Reference answer
Flow Designer is a modern, visual tool allowing admins and developers to automate processes in ServiceNow without writing code. It's user-friendly and suitable for creating complex workflows.
57
What are groups in ServiceNow?
Reference answer
A group is a set of users who share a common purpose. Groups may approve change requests, resolve incidents, receive email notifications, or perform work order tasks. Any business rules, assignment rules, system roles, or attributes that refer to the group automatically apply to all group members. Users with the user_admin role can create and edit groups. Group records are stored in the Groups [sys_user_group] table.
58
What is a UI Action?
Reference answer
A UI Action is a button, link, or menu item on a form or list that executes code when clicked. For example, the "Save" or "Update" buttons are built-in UI Actions. You can create custom UI Actions to run scripts on both the client and server-side — like a button to "Assign to Me" or a context menu option to generate a report.
59
What is the purpose of “Allow Configuration” checkbox in the application section of table?
Reference answer
Select the check box to enable applications from other application scopes to create configuration records for this table that change its functionality. For example, an application designer can select this table from the Tables list on business rules, client scripts, or UI actions. This option offers design-time protection. Clear the check box to prevent application designers from selecting this table when creating configuration records.
60
What is the purpose of the impersonation feature in ServiceNow?
Reference answer
The impersonation feature lets administrators log in as other users without a password, enabling testing of access controls, troubleshooting, and validating user-specific settings. It helps verify workflows, approvals, and notifications from the user's perspective. This ensures that roles and permissions are correctly configured. Impersonation also supports training and demonstration purposes. The feature prevents the need to request user credentials. It ensures compliance and avoids unnecessary errors in testing.
61
Difference between Incident and Request?
Reference answer
An Incident is an unplanned event that disrupts service, while a Request is a planned request for a service or information.
62
What is the difference between admin and non-admin users regarding accessibility in ServiceNow?
Reference answer
Admin users can access all features, while non-admin users can access specific aspects based on their roles.
63
What are Update Sets, and how do they work?
Reference answer
Update Sets are containers for capturing customizations made in one ServiceNow instance (usually development) and moving them to another instance (like production). When you make changes, such as adding new fields, scripts, or other items, they are recorded in an update set. You then retrieve that update set in the target instance and commit it. It ensures configuration changes are tracked and deployed in a controlled manner, avoiding conflicts between environments.
64
Define the use of Application Navigator.
Reference answer
Application Navigator provides access or links to the applications or modules and allows users to find the required information quickly.
65
What roles have you performed on ServiceNow projects?
Reference answer
Listen For: Anything beyond a developer including tester, business analyst, technical lead, trainer, and technical writer.
66
What is the Service Catalog in ServiceNow?
Reference answer
The Service Catalog is a module in ServiceNow that allows administrators to define services, allowing users to request them. It's essentially a structured collection of IT and business services, and can include hardware requests, software provisioning, or even employee onboarding processes.
67
What's a Script Include and how does it make your life easier?
Reference answer
A Script Include is a reusable server-side script that can be called from other scripts. It makes your life easier by promoting code reuse, reducing duplication, and simplifying maintenance.


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