TCS Servicenow Developer Interview Questions, Process, and Tips

I am a dedicated Servicenow Developer with 5 years of experience in designing and implementing solutions for various organizations.

• 5 years of experience in Servicenow development

• Strong expertise in designing and implementing solutions

• Proven track record of delivering successful projects

• Excellent communication and problem-solving skills

ITSM life cycles include Incident, Problem, Change, and Request Management.

• Incident Management: Focuses on restoring normal service operation as quickly as possible.

• Problem Management: Focuses on identifying and solving the root cause of recurring incidents.

• Change Management: Involves controlling changes to the IT infrastructure to minimize impact on services.

• Request Management: Handles user requests for IT services or

Code to auto-close parent incident when all child incidents are closed

• Create a script that runs on child incident closure

• Check if all child incidents are closed

• If all child incidents are closed, close the parent incident

Use JavaScript to restrict input field to alphanumeric characters only.

• Use JavaScript event listeners to detect input in the field.

• Check each character entered using regular expressions to allow only alphanumeric characters.

• Display an error message if a non-alphanumeric character is entered.

Yes, the hamburger (Context menu chooser) can be hidden for a user in ServiceNow.

• The hamburger menu can be hidden by modifying the UI policies and client scripts.

• You can use CSS to hide the hamburger menu for specific users or roles.

• Alternatively, you can customize the UI to remove the hamburger menu altogether.

Script to mask a single line text field value

• Use the 'onLoad' client script to mask the value on form load

• Use the 'onSubmit' client script to mask the value before saving

• Use the 'getDisplayValue' and 'setDisplayValue' methods to manipulate the field value

Integrations in ServiceNow are made using APIs, web services, and scripting.

• Use REST APIs to integrate with external systems

• Leverage SOAP web services for bi-directional communication

• Utilize scripting such as JavaScript to automate processes

• Use MID Server for secure communication with on-premise systems

Inbound refers to data coming into ServiceNow, while outbound refers to data going out of ServiceNow.

• Inbound data is typically received through integrations, email, web services, etc.

• Outbound data is usually sent to external systems, APIs, email notifications, etc.

• Inbound actions can trigger workflows or create records in ServiceNow.

• Outbound actions can update external systems or send notifications to users.

Experienced Servicenow Developer with expertise in customizing and implementing solutions for various organizations.

• Over 5 years of experience in Servicenow development

• Proficient in creating custom applications, workflows, and integrations

• Strong knowledge of ITSM processes and best practices

• Certified Servicenow Developer with hands-on experience in Service Portal development

Program to find Palindrome sub-strings in a given string.

• Iterate through each character in the string and check for palindromes.

• Use two pointers to expand around the center of each character to find palindromes.

• Store the palindromes in an array of strings.

Program to separate numbers and alphabets in a given array of elements.

• Iterate through each element in the array

• Check if the element is a number or alphabet using regular expressions

• Store numbers and alphabets in separate arrays

I would analyze the report structure, query efficiency, and data volume to identify the root cause of the performance issue.

• Review the report query to ensure it is optimized and only fetching necessary data

• Check if there are any unnecessary calculations or complex logic impacting performance

• Consider indexing on relevant fields to improve query performance

• Evaluate the data volume being processed and consider implementin...read more

REST APIs in ServiceNow allow users to interact with the platform programmatically.

• REST APIs in ServiceNow can be used to create, read, update, and delete records in tables.

• Authentication is required to access REST APIs, using basic authentication or OAuth.

• REST API endpoints in ServiceNow follow a standard format: https://.service-now.com/api/now/

• REST APIs can be tested using tools like Postman or cURL.