What are the basics of ServiceNow?

Free Coding Questions Catalog
Boost your coding skills with our essential coding questions catalog. Take a step towards a better tech career now!

ServiceNow is a cloud-based platform designed to automate IT service management (ITSM) and business processes across various departments, including IT, HR, customer service, and more. It helps organizations manage tasks, processes, and workflows efficiently by offering tools to handle requests, incidents, tasks, and other business operations. Below are the basics of ServiceNow that will help you get started:

1. ServiceNow Overview

ServiceNow provides a unified platform to manage business processes and IT services, allowing different departments to collaborate effectively. Its core strength lies in automating workflows and service management, improving productivity, and enhancing customer satisfaction.

2. Key Modules in ServiceNow

ServiceNow has several built-in modules that are commonly used across industries. These modules can be extended and customized based on an organization’s needs.

IT Service Management (ITSM)

ITSM is one of the core offerings of ServiceNow. It helps organizations manage IT services and operations efficiently.

  • Incident Management: Used to log and resolve IT incidents (issues, outages, etc.) in a structured manner.
  • Problem Management: Helps in identifying the root cause of incidents and resolving underlying issues.
  • Change Management: Manages changes in IT infrastructure by ensuring the changes are planned, tested, and deployed in a controlled manner.
  • Service Catalog: A centralized repository where users can request services (e.g., software access, hardware procurement).
  • Knowledge Management: Provides a system for creating, managing, and sharing organizational knowledge, such as FAQs and troubleshooting guides.

Configuration Management Database (CMDB)

The CMDB tracks configuration items (CIs), which are the components of your IT environment (servers, networks, applications, etc.). It helps manage relationships between CIs and track their changes.

  • Configuration Items (CIs): Represent physical or logical components like servers, routers, and applications.
  • Relationships: CMDB tracks how CIs are related, which is crucial for understanding the impact of incidents or changes on the infrastructure.

HR Service Delivery (HRSD)

  • Case Management: Manages employee HR requests such as benefits, leave requests, or general inquiries.
  • Lifecycle Events: Automates employee lifecycle events like onboarding, offboarding, and transfers.

Customer Service Management (CSM)

  • Case Management: Helps organizations manage and resolve customer issues and requests efficiently.
  • Self-Service Portals: Allows customers to find solutions to common problems through a knowledge base and community forums.

IT Operations Management (ITOM)

This module is used to monitor infrastructure, detect anomalies, and automate IT processes. It includes components like Discovery, Event Management, and Service Mapping.

  • Discovery: Scans your network and identifies IT infrastructure components and their relationships.
  • Event Management: Monitors events from various systems and provides tools for responding to IT incidents.

3. ServiceNow Architecture

ServiceNow Platform

ServiceNow runs on a cloud-based platform that consists of several layers, including:

  • User Interface (UI): ServiceNow provides web-based and mobile interfaces to access its applications and modules.
  • Database: ServiceNow uses a relational database to store all data (e.g., incidents, tasks, users, configurations).
  • Application Server: This layer processes business logic, workflows, and API requests.
  • Integration Layer: The platform allows integration with external systems via REST and SOAP APIs.

Instance

ServiceNow instances are individual environments used by organizations. Each organization has its own instance, and users access the platform via a web browser. Instances can be customized based on business needs.

4. User Roles and Permissions

ServiceNow uses a role-based access control (RBAC) system to manage what users can do within the platform:

  • Roles: Define what actions a user can perform, such as creating incidents, approving requests, or managing users.
  • Users: Individuals with specific roles assigned to them. Common roles include admin, ITIL (ITSM users), and approvers.
  • Groups: Collections of users with similar responsibilities. Roles can be assigned to groups for easier management.

5. Workflows and Automation

ServiceNow excels at automating business processes through workflows and approvals.

Workflows

A workflow in ServiceNow is a sequence of automated steps that execute tasks, approvals, and notifications. Workflows are widely used in modules like incident management, change management, and HR case management.

  • Graphical Workflow Editor: This is a drag-and-drop interface where users can create, modify, and manage workflows.
  • Conditions and Triggers: Define what actions should be taken based on specific events or conditions (e.g., automatically assigning incidents to certain teams based on priority).

Flow Designer

Flow Designer is a newer tool for building workflows in a low-code/no-code environment. It allows users to create automated workflows using a simple drag-and-drop interface without writing complex code.

6. ServiceNow Scripting

ServiceNow supports scripting for more advanced customizations and automation. The platform primarily uses JavaScript for client-side and server-side scripting.

Types of Scripts:

  • Client Scripts: Run on the client-side (browser) and are used to manipulate form fields, validate data, and provide a more interactive user experience.
  • Business Rules: Server-side scripts that run when a record is inserted, updated, or deleted. These rules automate processes and enforce business logic.
  • GlideRecord: A server-side API that allows you to query and manipulate records in ServiceNow’s database. It’s often used in business rules and script includes.

Example of GlideRecord:

var gr = new GlideRecord('incident'); gr.addQuery('priority', 1); gr.query(); while (gr.next()) { gs.print(gr.number + ' - ' + gr.short_description); }

7. Reporting and Dashboards

ServiceNow provides built-in reporting tools to generate and visualize data within the platform. Users can create custom reports, track performance, and monitor key metrics.

Key Features:

  • Dashboards: Visual representations of data that provide quick insights into key performance indicators (KPIs) or ongoing tasks.
  • Performance Analytics: This feature enables you to track, trend, and analyze historical data and performance metrics over time.
  • Out-of-the-box Reports: ServiceNow provides pre-built reports that can be customized or extended based on business needs.

8. Integrations

ServiceNow can integrate with a variety of third-party applications and systems using APIs. Common integrations include:

  • REST and SOAP APIs: ServiceNow can connect to external systems via RESTful or SOAP-based APIs. This is useful for integrating with CRMs, ERPs, and other ITSM tools.
  • IntegrationHub: A framework within ServiceNow that provides out-of-the-box connectors and automation for systems like Slack, Microsoft Teams, and AWS.

9. Incident and Request Fulfillment

ServiceNow uses structured processes to manage both IT and non-IT incidents and requests:

  • Incident Management: Track and resolve incidents (IT issues) in an organized and timely manner.
  • Request Management: Manage user requests for services (e.g., requesting software or access to certain systems).

10. ServiceNow Security

Security is an integral part of the platform, ensuring data integrity, privacy, and controlled access:

  • Encryption: Data can be encrypted both at rest and in transit.
  • Access Controls: ServiceNow uses Access Control Lists (ACLs) to control who can see and modify records.
  • Audit Logs: ServiceNow tracks changes made to records for audit and compliance purposes.

Conclusion

Understanding the basics of ServiceNow involves knowing how it automates workflows, manages incidents, and integrates with other systems. The platform is highly customizable, supports scripting and automation, and provides tools for managing IT services and other business processes. To get started, it's important to familiarize yourself with key modules, workflows, and the general architecture of the platform.

By mastering the fundamentals of ServiceNow, you’ll be better equipped to handle its powerful features and functionalities, whether you're an admin, developer, or consultant.

TAGS
Coding Interview
System Design Interview
CONTRIBUTOR
Design Gurus Team

GET YOUR FREE

Coding Questions Catalog

Design Gurus Newsletter - Latest from our Blog
Boost your coding skills with our essential coding questions catalog.
Take a step towards a better tech career now!
Explore Answers
How many rounds of interview at Microsoft?
Can comments be used in JSON?
What is -> in C++?
Related Courses
Image
Grokking the Coding Interview: Patterns for Coding Questions
Image
Grokking Data Structures & Algorithms for Coding Interviews
Image
Grokking Advanced Coding Patterns for Interviews
Image
One-Stop Portal For Tech Interviews.
Copyright © 2024 Designgurus, Inc. All rights reserved.