Branch International Network Engineer L1 Interview Questions and Answers

It was leetcode questions for 60 min for 2 questions.

Q1. Tell me about your self
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Q1. Tell me about your work experience
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Aptitude test consists of DSA questions and theory questions on Java, SQL and object oriented programming

Q1. Explain Object oriented programming
Ans. 
Object oriented programming is a programming paradigm based on the concept of objects, which can contain data and code.
• OOP focuses on creating objects that interact with each other to solve problems

• Encapsulation, inheritance, and polymorphism are key principles of OOP

• Classes and objects are used to create reusable code and organize data

• Example: In a banking system, a 'Customer' object may have attributes like name and ...read more
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Q2. Explain Design principles
Ans. 
Design principles are fundamental concepts used to guide the process of designing products or systems.
• Design principles help ensure consistency, usability, and aesthetic appeal in the final product.

• They often include principles such as simplicity, consistency, hierarchy, balance, and emphasis.

• For example, the principle of simplicity in design aims to eliminate unnecessary elements and focus on the essential features.

• Co...read more
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Q3. Solve a dsa questions live
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Q1. Reverse a string
Ans. 
Reverse a string by iterating through the characters and swapping them
• Create a function that takes a string as input

• Initialize two pointers, one at the beginning and one at the end of the string

• Swap the characters at the two pointers and move them towards the center until they meet
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Q2. 2 sum arrays problem
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Q1. Project discussions
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Q2. Cv discussion was held
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MVVM was asked and swift questions

Q1. Tell me about yourself.
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Q1. Find median of 2D array
Ans. 
Find median of 2D array of strings
• Flatten the 2D array into a 1D array

• Sort the 1D array

• Calculate the median based on the length of the array
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Q1. LLD of Twitter System
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Q1. Tds section, companies act, finance
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Logical reasoning, English, maths

Q1. Tell me about your self
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Q2. About job experience
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Q3. Salary expectations
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Q1. Sell me this pen.
Ans. 
This pen is a versatile tool that combines style, functionality, and durability.
• The pen features a sleek design that exudes professionalism.

• Its smooth ink flow ensures a seamless writing experience.

• With a sturdy build, this pen is built to last.

• It comes with a comfortable grip for extended use.

• The pen is refillable, making it a cost-effective choice.

• Ideal for both personal and professional use.

• Suitable for various writ...read more
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Q2. Tell me about your self
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Q3. Tell me about stock market
Ans. 
The stock market is a platform where buyers and sellers trade stocks, representing ownership in publicly traded companies.
• Stock market is a place where stocks or shares of publicly traded companies are bought and sold.

• It provides a platform for companies to raise capital by selling shares to investors.

• Investors can buy and sell stocks through stock exchanges like NYSE, NASDAQ, etc.

• Stock prices fluctuate based on supply...read more
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