10+ Servicenow Developer Interview Questions and Answers for Freshers

Program to print a pattern using stars in Python

• Use nested loops to print the desired pattern

• Increment the number of stars in each row to create the pattern

• Example: Printing a pyramid pattern with stars

UI policy and client script are both used in ServiceNow for controlling field behavior and data on forms.

• UI policy is used to dynamically change field properties, visibility, and mandatory status based on certain conditions.

• Client script is used to add custom logic and behavior to forms, such as field validation, calculations, and UI interactions.

• UI policy is executed on the server side, while client script is executed on the client side.

• UI policy is defined using a simple dr...read more

Python syntax encompasses rules for writing code, including variables, data types, control structures, functions, and more.

• Variables: Use '=' to assign values. Example: x = 10

• Data Types: Common types include int, float, str, list, dict. Example: my_list = [1, 2, 3]

• Control Structures: Use 'if', 'elif', 'else' for conditional statements. Example: if x > 5: print('Greater')

• Loops: 'for' and 'while' loops for iteration. Example: for i in range(5): print(i)

• Functions: Define with 'd...read more

Cloud computing involves storing and accessing data and programs over the internet instead of on a computer's hard drive.

• Cloud computing allows users to access data and applications from any device with an internet connection.

• It provides scalability, flexibility, and cost-efficiency for businesses.

• Examples of cloud services include Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform.

Use indexed for loop instead of for each loop to reduce time complexity.

• Indexed for loop has a constant time complexity of O(1) whereas for each loop has a time complexity of O(n).

• Indexed for loop is faster when accessing elements in an array.

• Example: for (int i = 0; i < array.length; i++) { //access array[i] }

• Example: for (String str : stringArray) { //access str }

Business rules in ServiceNow automate processes and enforce data integrity through various types.

• Before Business Rule: Executes before the database action (e.g., insert/update). Example: Validate data before saving.

• After Business Rule: Executes after the database action. Example: Send notifications after a record is updated.

• Async Business Rule: Executes asynchronously after the database action. Example: Update related records without delaying the user.

• Display Business Rule: E...read more

ServiceNow ITSM is a cloud-based IT service management platform that helps organizations manage their IT services efficiently.

• ServiceNow ITSM includes modules for incident management, problem management, change management, and more.

• It allows organizations to automate and streamline their IT service delivery processes.

• ServiceNow ITSM provides a centralized platform for IT teams to collaborate, communicate, and track service requests.

• It offers reporting and analytics capabiliti...read more

SaaS stands for Software as a Service, a cloud-based software delivery model where applications are hosted by a third-party provider and accessed over the internet.

• SaaS allows users to access software applications via the internet without the need for installation or maintenance.

• Users typically pay a subscription fee to use SaaS applications, which are centrally hosted and managed by the provider.

• Examples of SaaS include Salesforce, Microsoft Office 365, and Google Workspace.

ServiceNow is a cloud-based platform that provides IT service management, automation, and workflow solutions.

• Cloud-based platform for IT service management

• Offers automation and workflow solutions

• Used for streamlining IT operations and improving efficiency

SQL query to retrieve all employees from a table

• Use SELECT statement to retrieve data

• Specify the columns to be selected

• Specify the table name where the data is stored