Unify Technologies Reactjs Developer Interview Questions and Answers

Tasked with creating a to-do list application using the MERN stack.

Q1. What are the reasons for your choice of this company?
Ans. 
I chose this company for its innovative projects, strong company culture, and opportunities for growth.
• Innovative projects: I was impressed by the company's track record of developing cutting-edge software solutions.

• Strong company culture: I value a supportive and collaborative work environment, which I believe this company offers.

• Opportunities for growth: I see potential for career advancement and skill development wi
Answered by AI
Add your answer

Q1. Can you provide a detailed explanation of your experience with Node.js?
Ans. 
I have extensive experience with Node.js, including building backend APIs, real-time applications, and server-side rendering.
• Developed RESTful APIs using Express framework

• Implemented real-time features with Socket.io

• Utilized Node.js for server-side rendering with frameworks like Next.js

• Experience with npm package management and creating custom modules
Answered by AI
Add your answer

What is OOPS concepts?

It was ok. I was not able to solve all the questions.

Q1. Remove the last element from a linkedlist
Add your answer
Q2. Some basic questions on oops dbms and os
Add your answer

Q1. Asked about technologies and coding
Add your answer
Q2. Components in reactjs
Ans. 
Reactjs components are reusable, independent pieces of UI that can be composed together to build complex user interfaces.
• Components are the building blocks of a React application

• They can be class components or functional components

• Components can have their own state and lifecycle methods

• Components can be nested within other components to create a hierarchy

• Examples: Button component, Navbar component, UserList component
Answered by AI
Add your answer
Q3. Given url to fetch data from api
Ans. 
Use the url to make a request to the API and fetch data.
• Use a library like axios or fetch to make the HTTP request.

• Parse the response data to extract the necessary information.

• Handle any errors that may occur during the request.
Answered by AI
Add your answer
Q4. Cloud related scenerio questions
Add your answer

Q1. How do you connect your code to database? what kind of Repository you use? Will group By work with without having
Ans. 
I connect my code to the database using a repository pattern. Group By can work without having an explicit repository.
• I use a repository pattern to abstract the database operations in my code.

• I typically use Entity Framework as my ORM to connect to the database.

• Group By can work without having an explicit repository by directly querying the database using LINQ or SQL.
Answered by AI
Add your answer

Q1. What is trigger Where is configuration available for you code
Ans. 
A trigger is a special type of stored procedure that is automatically executed when certain events occur in a database.
• Triggers are used to enforce business rules, perform auditing, and maintain data integrity.

• Configuration for triggers is typically available in the database management system where the trigger is created.

• Examples of trigger events include INSERT, UPDATE, and DELETE operations on a table.
Answered by AI
Add your answer

Simple question on maths

Q1. Explain OOPS concept
Ans. 
OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPS focuses on creating objects that interact with each other to solve complex problems

• Key principles include encapsulation, inheritance, polymorphism, and abstraction

• Encapsulation ensures that the internal state of an object is hidden from the outside world

• Inheritance allows a class to inherit...read more
Answered by AI
Add your answer
Q2. Coding array questions
Add your answer