100+ Servicenow Developer Interview Questions and Answers

Troubleshooting ServiceNow Discovery errors involves identifying issues in configuration, connectivity, and data collection.

• Check the Discovery logs for error messages that can provide insights into the issue.

• Verify the MID Server configuration to ensure it is properly set up and connected.

• Ensure that the credentials used for Discovery have the necessary permissions to access the target systems.

• Review the network settings to confirm that firewalls or security groups are not b...read more

Gathering requirements for a musical equipment company involves understanding their services, target audience, and operational needs.

• Conduct stakeholder interviews to understand their business model and services offered, such as studio sessions and rentals.

• Create user personas to identify different customer segments, like amateur musicians, professional studios, and event organizers.

• Analyze current workflows to identify pain points in booking studio time or renting equipment,...read more

Incident, Problem, and Change management are key ITIL processes ensuring efficient IT service delivery.

• Incident Management: Focuses on restoring normal service operation as quickly as possible. Example: A user reports a system outage.

• Problem Management: Identifies and manages the root causes of incidents. Example: Analyzing recurring outages to find a permanent fix.

• Change Management: Controls the lifecycle of changes to minimize disruption. Example: Implementing a new softwar...read more

Types of business rules, client scripts, variables, variable sets, ways to import update sets, and service catalog management in ServiceNow development.

• Types of business rules include onBefore, onAfter, async, etc. Example: onBefore business rule to validate form data before submission.

• Client scripts are used for client-side scripting. Example: Client script to show a pop-up message on a form field change.

• Variables are used to store data within a record. Example: Variable sto...read more

Use SQL query to retrieve all columns, show only 10 records, and order by name

• Use SELECT * to retrieve all columns

• Use LIMIT 10 to show only 10 records

• Use ORDER BY name to order the results by name

Answers to interview questions for ServiceNow Developer position.

• CI (Configuration Item) represents a single, manageable component of an IT infrastructure.

• Asset is a tangible or intangible item that is owned by an organization.

• To call a script include from the client side, use the 'g_form' object and the 'getScript' method.

• Record producer is used to create new records in a specific table, while Service Catalog is a collection of record producers and catalog items.

• To create ne...read more

Data policy ensures data consistency, UI policy controls form level behavior

• Data policy defines rules for data consistency and integrity

• UI policy controls the behavior of form fields and sections

• Both policies can be applied at different levels such as table, field, or form

• Data policy can prevent invalid data entry and enforce data standards

• UI policy can hide or make fields mandatory based on user roles or conditions

The checkbox for client callable on script include allows the script include to be called from client-side scripts.

• Client callable checkbox allows the script include to be accessed from client-side scripts in ServiceNow.

• It enables the script include to be used in UI policies, client scripts, and other client-side scripts.

• By checking the client callable checkbox, the script include can be invoked using GlideAjax calls from client scripts.

When searching a record on global search in ServiceNow, the platform performs a search across all tables and fields to find relevant results.

• ServiceNow platform uses the search index to quickly retrieve relevant records

• Search results are displayed based on relevance and permissions

• Users can refine search results using filters and sorting options

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.

Yes, I have worked on integrations.

• I have experience integrating ServiceNow with third-party applications using REST APIs.

• I have also worked on integrating ServiceNow with other ServiceNow instances using SOAP APIs.

• I have used MID Server for integrating ServiceNow with on-premise applications.

• I have experience in creating custom integrations using ServiceNow IntegrationHub.

• I have worked on integrating ServiceNow with cloud-based applications like Salesforce and AWS.

Basic array operations include creation, manipulation, and iteration of arrays in programming.

• Creating an array: var fruits = ['apple', 'banana', 'cherry'];

• Accessing elements: console.log(fruits[0]); // Outputs 'apple'

• Adding elements: fruits.push('date'); // fruits now contains ['apple', 'banana', 'cherry', 'date']

• Removing elements: fruits.pop(); // Removes 'date', fruits now contains ['apple', 'banana', 'cherry']

• Iterating through an array: fruits.forEach(fruit => console.log...read more

Asynchronous business rules run in the background while after business rules run after the record is processed.

• Asynchronous business rules are executed in the background without blocking the user interface.

• After business rules are executed after the record is processed, potentially impacting user experience.

• Asynchronous business rules are typically used for tasks that do not require immediate user interaction.

• After business rules are commonly used for tasks that need to be co...read more

Input can be passed to a workflow activity using input parameters.

• Define input parameters in the workflow activity

• Pass values to the input parameters when starting the workflow

• Access the input parameters within the workflow activity

Glide system objects are used in ServiceNow to interact with the platform and perform various operations.

• GlideRecord

• GlideSystem

• GlideAggregate

• GlideForm

• GlideUser

Different types of business rules include client scripts, UI policies, data policies, and script includes.

• Client scripts are used to run on the client side to perform actions or validations.

• UI policies are used to set mandatory fields, read-only fields, or visibility conditions on forms.

• Data policies are used to enforce data consistency and integrity by defining rules on fields.

• Script includes are reusable scripts that can be called from other scripts or business rules.

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 }

Use GlideUser class to get logged in user details in a form

• Use GlideUser class to get the current user's details

• Access user details like name, email, roles, etc. using GlideUser methods

• Example: var user = gs.getUser(); var userName = user.getName();

ACL works from general to specific

• ACL evaluates rules from general to specific based on order of precedence

• If a user has multiple roles, the most specific role takes precedence

• Explicit rules take precedence over inherited rules

• ACL rules can be defined at table, field, and record levels

An asset is a physical or virtual item that has financial value, while a CI is any item that needs to be managed for IT purposes.

• Assets are typically tangible items, such as hardware or software licenses, that have a monetary value.

• CIs are any items that need to be managed for IT purposes, such as servers, applications, or network devices.

• Assets are often tracked in financial systems, while CIs are tracked in IT service management systems.

• An asset can be a CI, but not all CIs...read more

The different between =, ==, === is related to assignment, equality, and strict equality in programming.

• = is used for assignment in programming languages.

• == is used for equality comparison, it checks if two values are equal.

• === is used for strict equality comparison, it checks if two values are equal in both value and data type.

Private functions in script include are only accessible within the script include itself.

• Private functions are defined using the 'private' keyword.

• They are used for encapsulation and to hide implementation details.

• Private functions cannot be called from outside the script include.

• Example: private function calculateTotal() { // implementation }

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

• ServiceNow helps organizations to streamline their IT operations and improve efficiency.

• It offers a range of modules such as Incident Management, Change Management, Problem Management, and Service Catalog.

• ServiceNow can be customized to meet the specific needs of an organization.

• It can also be integrated with other tools and systems to provi...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.

Triggers in Flow Designer are events that initiate a flow when a specified condition is met.

• Triggers are used to start a flow based on a specific event or condition

• They can be configured to listen for events like record creation, updates, or deletions

• Triggers can also be set to run on a schedule or at a specific time

A scheduled report is a report that is automatically generated and sent at a specified time and frequency.

• Scheduled reports can be set up to run daily, weekly, monthly, or at a custom interval.

• They can be sent via email or saved to a specific location.

• Scheduled reports can be used to provide regular updates on key metrics or to automate repetitive reporting tasks.

The stages of HRSD cases include New, In Progress, On Hold, Resolved, Closed

• New - when a new case is created

• In Progress - when the case is being actively worked on

• On Hold - when the case is temporarily paused

• Resolved - when the issue is resolved but awaiting confirmation

• Closed - when the case is officially closed