IL&FS Environment Interview Questions and Answers

Q1. What is the use of ACL?
Ans. 
ACL stands for Access Control List, which is used to control access to resources by specifying which users or systems are allowed to access them.
• ACLs are commonly used in computer networking to control access to files, directories, and network resources.

• They can be configured to allow or deny specific types of traffic based on criteria such as source IP address, destination IP address, port number, etc.

• ACLs can be appl...read more
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Q2. What is office 365 and use ?
Ans. 
Office 365 is a cloud-based subscription service offered by Microsoft that includes access to various productivity tools and applications.
• Includes applications like Word, Excel, PowerPoint, Outlook, and OneNote

• Allows users to access their files and collaborate with others from anywhere with an internet connection

• Offers features like email hosting, file storage, and video conferencing

• Provides regular updates and securit
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Q1. Introduce your-self?
Ans. 
Experienced retail professional with strong leadership skills and a passion for customer service.
• Over 5 years of experience in retail management

• Proven track record of increasing sales and improving customer satisfaction

• Strong communication and team-building skills

• Passionate about delivering exceptional customer service

• Bachelor's degree in Business Administration
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Q2. How many years of experience do you have?
Ans. 
I have 5 years of experience in management roles, including 2 years as an Assistant Manager.
• 5 years of overall management experience

• 2 years specifically as an Assistant Manager

• Experience in leading teams and overseeing daily operations

• Implemented successful strategies to improve efficiency and productivity
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Q1. On core subject, logical questions
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Q1. About Bio, As per resume
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Round duration - 120 minutes
Round difficulty - Hard

There was 2 parts. First part problems were based on Quantitative Aptitude. Problems were of 3 types- Easy, Medium and Hard with different scores. Difficulty keeps on increasing if you answer correctly and keeps on decreasing if you answer incorrectly.
First part was of 45 mins.
Second part consisted of 2 coding problems- Medium, Hard. One was based on Greedy and other was a difficult DP + Bitmask problem.
Coding part had more weightage than Aptitude.

Q1. 
K Centers Selection Problem
In Ninja Land, there are cities numbered from 0 to N-1. The distances between each pair of cities are represented by an N * N matrix 'DIST', where 'DIST[i][j]' is the distance ...read more
Ans. 
The problem involves selecting K cities to install servers in Ninja Land to minimize the maximum distance from any city to a nearest server.
• Iterate through all possible combinations of K cities to select for server installation.

• Calculate the maximum distance from any city to the nearest server for each combination.

• Choose the combination that minimizes the maximum distance.
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Q2. 
Beautiful String Verification
Given a non-empty string inputString, determine if it can be converted into a 'Beautiful String' using the defined operation.
You can perform any number of operations to con...read more
Ans. 
Determine if a given string can be converted into a 'Beautiful String' using a specific operation.
• Check if the input string is already a 'Beautiful String' by checking if it contains 'abc' in the correct positions.

• If 'abc' is present in the input string, check if the left and right portions satisfy the defined conditions.

• If the conditions are met, return 'True', otherwise return 'False'.
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Round duration - 90 minutes
Round difficulty - Medium

There were 3 interviewers in my panel. The most senior panellist asked q. related to my interests and internship experience.
Other 2 asked questions related to Coding and subjects. There was 1 coding question which was implementation based and involved many corner cases. They were checking if I was able to figure out different corner cases and handle those. 
There were situation based questions also asked. One question was on system design of Arogya Setu App.

Q1. 
Complex Number Multiplication
Calculate the product of two complex numbers represented as strings in the form “A+Bi”. Here, ‘A’ represents the real part, and ‘B’ represents the imaginary part.
Explanatio...read more
Ans. 
Calculate the product of two complex numbers represented as strings in the form 'A+Bi'.
• Parse the input strings to extract real and imaginary parts of both complex numbers

• Perform multiplication of the complex numbers using the formula (a+bi)*(c+di) = (ac - bd) + (ad + bc)i

• Format the result as a string in the form 'A+Bi' and return
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Round duration - 30 minutes
Round difficulty - Easy

HR round involved basic questions related to background and behaviour. It was basically a cultural fit round.

Q1. Spring boot, java 8 and microswrvices
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Q2. Basic question about spring framework
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Q1. Basic details asked about my last project that i have worked.
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Q2. Basic details about last project
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Just normal MCQ test.

Q1. SELL ABD BUY 1 array question(easy level)
Ans. 
This question involves buying and selling items in an array.
• The array must contain strings.

• You need to implement a function to buy and sell items from the array.

• Provide examples of buying and selling operations.
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Normal DP question (LC med)

Q1. Self and previous experience and about family
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Q1. Privious salery expectation and joining dates
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Q1. Questions will be asked on previous company roles and responsibilities.
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Q2. Depends upon previous experience.
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Q1. Basics on structure and finishings
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Q2. Questions on structure and finishings
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