10+ FIS Interview Questions and Answers

Yes, CMS software refers to Content Management Systems used for creating and managing digital content.

• CMS software helps in creating, editing, organizing, and publishing digital content on websites.

• Popular CMS software include WordPress, Joomla, and Drupal.

• Knowledge of CMS software is important for managing website content efficiently.

Yes, I am familiar with Salesforce Analytics Cloud and Tableau for sales analytics.

• Salesforce Analytics Cloud is a cloud-based analytics tool that provides insights into sales performance and customer behavior.

• Tableau is a data visualization tool that can be used for sales analytics to create interactive dashboards and reports.

• Both tools offer advanced analytics capabilities to help businesses make data-driven decisions.

I interact with clients through regular communication, meetings, presentations, and networking events.

• Maintain regular communication to understand client needs and provide updates

• Schedule and conduct meetings to discuss projects, proposals, and feedback

• Deliver presentations to showcase products or services and address client concerns

• Attend networking events to build relationships and generate new business opportunities

A program to validate parentheses in a string using a stack in JavaScript

• Create an empty stack to store opening parentheses

• Iterate through the string and push opening parentheses onto the stack

• When a closing parenthesis is encountered, pop from the stack and check if it matches the corresponding opening parenthesis

• If stack is empty at the end and all parentheses are matched, return true

Increasing sales can be achieved by implementing effective marketing strategies, improving customer service, expanding target markets, and offering promotions.

• Implement targeted marketing campaigns to reach potential customers

• Enhance customer service to build loyalty and encourage repeat purchases

• Expand target markets by identifying new customer segments or geographic regions

• Offer promotions such as discounts, bundles, or limited-time offers to attract new customers and incre...read more

I have worked on a real-time chat application and a RESTful API using Node JS.

• Developed a real-time chat application using Socket.io

• Built a RESTful API for a blogging platform

• Implemented authentication and authorization using JWT tokens

Class components are ES6 classes that extend from React.Component, while functional components are just JavaScript functions.

• Class components are ES6 classes that extend from React.Component

• Functional components are just JavaScript functions

• Class components have access to lifecycle methods like componentDidMount, componentDidUpdate, etc.

• Functional components are simpler and more lightweight

• With the introduction of React Hooks, functional components can now also have state and...read more

The $shared operator in MongoDB is used to perform set intersection between arrays.

• Used to find common elements between arrays

• Returns an array containing elements that appear in all input arrays

• Syntax: { $shared: { arrays: [ , , ... ] } }

• Example: { $shared: { arrays: [ [1, 2, 3], [2, 3, 4] ] } } returns [2, 3]

The $graphlookup operator in MongoDB is used to perform recursive queries on graph-like data structures.

• Used to perform recursive queries on graph-like data structures

• Can be used to traverse relationships between documents in a collection

• Helps in querying hierarchical data structures

Microservices are a software development technique where applications are composed of small, independent services that communicate with each other.

• Microservices break down applications into smaller, loosely coupled services that can be developed, deployed, and scaled independently.

• Each microservice is responsible for a specific business function and communicates with other services through APIs.

• Microservices promote flexibility, scalability, and resilience in software develop...read more

MVC architecture is a software design pattern that separates an application into three main components: Model, View, and Controller.

• Model represents the data and business logic of the application

• View is responsible for displaying the data to the user

• Controller acts as an intermediary between Model and View, handling user input and updating the Model accordingly