QBurst Technologies Reactjs Developer Interview Questions and Answers

20 Questions in CBT test you have to score minimum 60% than you passed

For React devloper they ask advanced java script and react advance logical coding

Q1. They say About here company policy and benefits
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Q1. Basic DSA questions like binary search, pattern
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Q2. Basic SQL query questions
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In first round 4 coding question like 1 dsa 2 database and one is api and question is very simple . coding round was conducted in hackerrank

Q1. DSA QUESTION LIKE TREE AND GRAPH
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Q2. DP AND SORTING APPROACH
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Again same but dsa question and oops concept in deep level

Hacker rank mcq medium to hard level 1 hr duration

Q1. Oops , diff composition and inheritance
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Q2. Design pattern explain singleton , abstract factory
Ans. 
Singleton ensures a class has only one instance, while Abstract Factory provides an interface for creating families of related objects.
• Singleton pattern restricts the instantiation of a class to one object, ensuring there is only one instance of the class.

• Abstract Factory pattern provides an interface to create families of related or dependent objects without specifying their concrete classes.

• Singleton pattern can be i...read more
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Q3. Implement linked list , all combination string in python
Ans. 
Implement linked list and generate all combination strings in Python.
• Create a Node class to represent each element in the linked list.

• Implement methods to add nodes, delete nodes, and generate all combinations of strings.

• Use recursion to generate all combinations of strings.
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Q1. Introduction about my skills and projects
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Q2. Situation based question on my projects , talk about security and performance in my projects
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Q1. Introduction about me and my family members
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Q2. Relocation comfortable , about my friends who are placed , why many people from my college
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Q1. Diff var let const
Ans. 
diff var let const
• var is function-scoped, let and const are block-scoped

• var can be redeclared and reassigned, let can be reassigned but not redeclared, const cannot be reassigned or redeclared

• const must be initialized during declaration, let and var can be declared without initialization
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Q1. Related to node js architecture
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Q1. Expectation and all
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Good round moderate coding questions were asked

Q1. Coding question based on trees
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Q2. Coding question based on math/binary search
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The platform is hackerrank and they asked arrays and string topics and the duration is 1hr

Q1. What is the difference between http and https
Ans. 
HTTP is unsecured while HTTPS is secured with SSL/TLS encryption.
• HTTP stands for Hypertext Transfer Protocol, while HTTPS stands for Hypertext Transfer Protocol Secure.

• HTTP operates on port 80, while HTTPS operates on port 443.

• HTTP data is transmitted in plain text, while HTTPS data is encrypted using SSL/TLS.

• HTTPS provides authentication, integrity, and confidentiality of data exchanged between a client and a server.

• W...read more
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Q2. Asked some sql querys
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Q3. Asked some sql joins
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Q4. Fully based on user resume
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Q1. They asked general questions like family background
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