TableSpace Technologies Senior Full Stack Developer Interview Questions and Answers

Q1. Don't remember so I have no
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Q2. I can't remember it
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Q1. I don't know the res
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Q2. I can't remember it
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Q1. Java oops concepts
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Q1. Self intro for yourself
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It was a test that had like basic c questions that one needs to practice, basic logical reasoning and Mathematics, a couple of English grammar questions

There is a coding round with 4 questions 3 coding questions and one find the output of the c program question, one easy question, 2 medium questions one medium to hard level.Two linear data structure questions one array one linked list and one tree question.

Another coding test with 3 questions medium to hard level questions from trees and linked lists, with optimisation required

First round was a coding round on coderbyte

Q1. What's Lazy loading
Ans. 
Lazy loading is a technique used in software development to defer the loading of resources until they are actually needed.
• Lazy loading improves performance by only loading resources when necessary

• It is commonly used in web development to load images or data as the user scrolls down a page

• Lazy loading can also be used in programming languages to load classes or modules on-demand
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Q1. What's Authentication and authorisation in nodejs
Ans. 
Authentication is the process of verifying the identity of a user, while authorization determines what resources a user can access.
• Authentication is the process of verifying the identity of a user.

• Authorization determines what resources a user can access.

• In Node.js, authentication and authorization can be implemented using various libraries and techniques such as Passport.js, JSON Web Tokens (JWT), and role-based acces...read more
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Q1. Difference between string and string builder.
Ans. 
String is immutable, while StringBuilder is mutable and more efficient for concatenating strings.
• String is immutable, meaning once created, its value cannot be changed. StringBuilder is mutable, allowing for modifications without creating new objects.

• String concatenation creates a new string object each time, while StringBuilder modifies the existing object directly.

• StringBuilder is more efficient for concatenating mul...read more
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Q2. What is async and await
Ans. 
Async and await are keywords in JavaScript used to work with asynchronous code.
• Async is used to define a function as asynchronous, allowing it to run in the background without blocking the main thread.

• Await is used to pause the execution of an async function until a Promise is settled, and then resumes the function with the resolved value.

• Async/await is a more readable and cleaner way to write asynchronous code compare...read more
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1 round of dsa with 2 questions

Q1. 1 system design round
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Q2. LLD round for 30 minutes
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Q1. Previous project discussion
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Q2. Discuss past project, tech stack for 30 mins
Ans. 
Developed a web-based project management tool using React, Node.js, and MongoDB.
• Used React for the front-end development

• Used Node.js for the back-end development

• Used MongoDB for the database management

• Implemented features like task assignment, progress tracking, and file sharing

• Followed Agile methodology for project management
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Q1. Basic hr questions, salary discussion
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Easy level only ...very basic problems are asked to me

Basic arrays and string questions