OneBanc Technologies Reactjs Developer Interview Questions and Answers

It was good , 2 questions are there to code.

Q1. Cs fundamental, Projects, coding.
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Q2. A simple coding question of string using map
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Q1. What is React router. what does it do.
Ans. 
React Router is a popular routing library for React applications.
• React Router is used for handling navigation in React applications.

• It allows defining multiple routes in the application and rendering different components based on the URL.

• React Router provides components like BrowserRouter, Route, Switch, and Link for routing.

• Example: will render the About component when the URL
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Q2. Questions based on react basics.
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Machine Coding of Google Calendar

Machine Coding of MP3 Player

Q1. Find Duplicates problem
Ans. 
Find duplicates in an array of strings
• Iterate through the array and store each element in a hash set

• If an element is already in the hash set, it is a duplicate

• Return a list of all duplicates found
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Q1. Why Simpl? and compensation
Ans. 
Simpl offers a collaborative and innovative work environment with competitive compensation.
• Simpl values teamwork and creativity in software development

• Competitive compensation package offered to attract top talent

• Opportunities for growth and learning through challenging projects
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Mangaer asked me to integrate an api

Q1. Salary negotions was done on the second round
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Q1. Basic resume based questions
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Q2. Explain your internship experience
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Q1. Basic resume based questions
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Its was data structure and algorithm and SQL round 4 question of dsa and 2 question of sql

Q1. How does OTP less work make a systematic diagram for it/
Ans. 
OTP less work eliminates the need for one-time passwords for authentication.
• OTP less work uses alternative methods like biometrics, push notifications, or hardware tokens for authentication.

• It provides a more seamless and user-friendly authentication experience.

• Examples include fingerprint scanning on smartphones or security keys for two-factor authentication.
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Q1. Everything related to yourself.
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A simple Google form assignment to shortlist candidates

Q1. ML related questions
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Q2. Find duplicates in array
Ans. 
Use a hash set to find duplicates in an array of strings.
• Create a hash set to store unique elements.

• Iterate through the array and check if each element is already in the hash set.

• If it is, then it is a duplicate.

• Example: ['apple', 'banana', 'apple', 'orange'] should return 'apple' as a duplicate.
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