Airtel Payments Bank Sales Team Leader Interview Questions and Answers

Explain Singleton pattern then add threading lock thing as enhancement,
usecases and implementation of LRU cache
use Java 8 stream API to filter and sort list of object

Q1. Why leaving previous organisation
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Q2. Are you joining for salary or experience
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Q3. Do you belive in Eko's vision
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Q1. Sql basic question and answer
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Q2. Sql all answers
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Round duration - 45 Minutes
Round difficulty - Medium

Q1. Design a class booking application for students.
Ans. 
A class booking application for students to schedule and manage their classes.
• Create a class booking system where students can view available classes, book classes, and manage their schedule.

• Include features like class search, class details, booking confirmation, and calendar view.

• Implement user authentication to ensure only registered students can book classes.

• Allow students to cancel or reschedule classes with proper...read more
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Round duration - 60 Minutes
Round difficulty - Medium

The interviewer understand the current problem statement I was working on. 
Asked the clarifying questions and alternative approaches to solve the same and their tradeoffs.
Also, asked about the technologies I was using in depth and reason for choosing the same.

Q1. 
Gas Tank Problem Statement
You have a car with a gas tank of infinite capacity. There are 'N' gas stations located along a circular route, numbered from 0 to N-1. You begin your journey with an empty tank...read more
Ans. 
Find the starting gas station index to complete a circular route with gas and cost arrays.
• Iterate through gas stations, keeping track of gas remaining after each station

• If gas remaining is negative, reset starting station to current station + 1

• If total gas remaining at the end is greater than or equal to total cost, return starting station index
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Round duration - 45 Minutes
Round difficulty - Medium

This round was their with the CTO and was mostly the culture fitment round.

Round duration - 30 Minutes
Round difficulty - Easy

This round was with the cofounder and was mostly culture fitment.

Q1. What is Lan & Wan and
Ans. 
Lan stands for Local Area Network and Wan stands for Wide Area Network.
• Lan is a network that covers a small geographical area, typically within a building or campus.

• Wan is a network that covers a large geographical area, typically spanning multiple cities or countries.

• Lan is usually privately owned and provides high-speed connectivity for devices within a limited area.

• Wan is often provided by telecommunication companie...read more
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Q1. What salary u want and location
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Q1. Asp .net Oops concept
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