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What is ServiceNow and its key features? ServiceNow is a cloud-based platform that offers a suite of IT service management (ITSM) products. Its key features include incident management, change management, problem management, service catalog, asset management, and more. Become a Servicenow Certified professional by learning this Servicenow Training In Hyderabad !
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Explain the difference between UI Policy and Data Policy in ServiceNow.
- UI Policy: Controls the behavior of form elements like mandatory fields, read-only fields, visibility, etc., based on certain conditions.
- Data Policy: Enforces data consistency and rules by mandating certain conditions on fields when records are inserted or updated.
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What is GlideRecord in ServiceNow? GlideRecord is an object in ServiceNow used for database operations. It allows querying, updating, and creating records in a table.
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How does Business Rule differ from Client Script in ServiceNow?
- Business Rule: Executes on the server side and triggers actions based on record operations (insert, update, delete).
- Client Script: Executes on the client-side (browser) and affects the behavior of forms and fields.
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Explain the concept of ACLs (Access Control Lists) in ServiceNow. ACLs are used to control access to data and functionalities in ServiceNow. They define who can access what and under which conditions.
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What is a Service Catalog in ServiceNow? The Service Catalog is a centralized list of services offered by an organization. Users can request these services through a self-service portal.
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How do you create a new module (menu) in ServiceNow?
- Navigate to “Application Navigator.”
- Right-click on the application.
- Select “Application” and then “Modules.”
- Click on “New” and fill in the required details like label, application, link type, etc.
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What are Update Sets in ServiceNow, and how do they work? Update Sets are containers for a set of customizations that can be moved between instances. They capture configuration changes, such as new fields, tables, scripts, etc., and enable easy deployment.
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Explain the difference between a List View and a Data View in ServiceNow.
- List View: Displays a list of records from a table in a tabular format.
- Data View: Presents data in a graphical or chart format, allowing users to visualize information.
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How do you troubleshoot performance issues in ServiceNow?
- Review logs (System logs, Transaction logs) for errors or performance bottlenecks.
- Analyze and optimize database queries.
- Check for long-running or inefficient scripts, business rules, or workflows.
- Monitor system resources and check for any bottlenecks (CPU, memory, etc.).
These questions cover a range of topics typically encountered in ServiceNow interviews. Understanding these concepts and being able to provide clear explanations should help you prepare effectively.
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