Cbay Systems Front end Developer Interview Questions and Answers

Coding test was the first round of interview

Q1. What is virtual dom in react and what makes it faster ?
Ans. 
Virtual DOM is a lightweight copy of the actual DOM in React, allowing for efficient updates and rendering.
• Virtual DOM is a representation of the actual DOM in memory.

• React compares the virtual DOM with the actual DOM to identify changes.

• Only the differences between the virtual and actual DOM are updated, making it faster.

• Example: When a user interacts with a React component, the virtual DOM is updated first before the
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Q1. It was HR round
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Strictly know about advanced coding languages like python.

Be focus on aptitude and reasoning too....

It was easy and u can do it very easily

Basically question were asked from tree, bst, greedy

Q1. Bout your project
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Q2. About technical skills
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Q3. About handling problems
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Q4. Technical questions
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Q5. Namdjjdjdjdjdjf
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Q1. Basic Java concepts - Oops, collection
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Coding interviews test candidates' technical knowledge, coding ability, problem solving skills, and creativity, typically on a whiteboard.

A detail assignment is the temporary placement of a career employee in another established position that is vacant or from which the incumbent is absent.

An aptitude test is a way for employers to assess a candidate's abilities through a variety of different testing formats. Aptitude tests will test your ability to perform tasks and react to situations at work. This includes problem-solving, prioritisation and numerical skills, amongst other things.

Q1. Consider the tools and skills necessary for the role. Think about the basic requirements of the job. ...
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Q2. Study helpful books and digital publications. .
Ans. For books about studying productively, I think you'd be hard-pressed to find better than Eat That Frog – For Students by Brian Tracy and Anna Leinberger, The Productivity Project and Hyperfocus by Chris Bailey, The Procrastination Equation by Dr Piers Steel and Deep Work by Cal Newport.
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Q3. Take the time you need
Ans. Said to mean that you can spend as much time as you need in doing something, or that you should slow down
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Q1. About DOT NET
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Q2. About Sql server
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Q1. Database query of MySQL
Ans. 
MySQL database query
• Use SELECT statement to retrieve data from tables

• Use WHERE clause to filter data based on conditions

• Use JOIN to combine data from multiple tables

• Use ORDER BY to sort data in ascending or descending order

• Use LIMIT to limit the number of rows returned
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Q2. About React.js what is axios call, workflow of connection made with backend
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Cat level maths are to be solved

Java coding basic questions