LTIMindtree Data Engineer Interview Questions, Process, and Tips

There was an aptitude test of 50 questions approx on SQL , Code outputs, html css , Unix commands

There was a code you can solve in any programming language (python, java, c,c++,etc). This round was of 30 minutes and I got a code on permutations and combinations.

Q1. After coding there was technical interview. I was asked a programming question and I gave 2 ways to tackle the logic. Interview lasted only for 5 mins.
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Q2. 1) If you are given a card with 1-1000 numbers and there are 4 boxes. Card no 1 will go in box 1 , card 2 in box 2 and similarly it will go. Card 5 will again go in box 1. So what will be the logic for thi...read more
Ans. 
Logic for distributing cards among 4 boxes in a circular manner.
• Use modulo operator to distribute cards among boxes in a circular manner.

• If card number is divisible by 4, assign it to box 4.

• If card number is divisible by 3, assign it to box 3.

• If card number is divisible by 2, assign it to box 2.

• If card number is not divisible by any of the above, assign it to box 1.
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Q1. HR round was normal HR questions and it lasted for about 25 mins. After HR it took 10-12 days for me to receive a congratulations mail.
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Q2. Normal basic HR questions like where you see in 5 years , why lti , etc etc
Ans. You'll get answers of such questions on any HR questions list
Answered by Piyush Kanojia
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Q1. Hive External vs managed
Ans. 
Hive External vs managed
• Hive External tables store data outside of the Hive warehouse directory

• Managed tables store data in the Hive warehouse directory

• External tables can be used to access data from different storage systems

• Managed tables are easier to manage as Hive takes care of data storage and metadata

• External tables require manual management of data and metadata
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Q2. Perfomance tuning apache spark
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It was a basic apti test

Basically coding plus apti were in the round 1 itself.

Q1. Questions were asked from my resume on what domains that i have worked on
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LTI conducts Innovator Coding Challenge (ICC) for Campus recruitment.
First coding test was ICC Coding Challenge 1 which was very easy.
It was conducted on Mettl platform.
There were three questions and all three was easy.
I got coding challenge based on Normal Arithmetic Implementation, Array based and Data structure (easy one).
I was able to pass all test cases of 1st and 2nd Question. And partial test cases of 3rd Question.

ICC Round. 2 :-
Based on First round, Some people were shortlisted for round 2.

Questions were Medium Complex and there were 2 questions. One based out of Array and One on Pure Data structure (difficult).

I was able to do 1st question partially and 2nd Question (Basic Test cases pass).

Q1. Technical Interview 1 :- After ICC Round 2, there was Round 3 but I was ineligible for that since I didn't cleared 2nd challenge. If you appear for ICC1- 5LPA, ICC2-6.5 or 7.5 LPA , ICC3- 8 LPA. Based on...read more
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Q1. Technical Round 2 : In this Round most of the time interviewer talked about Data Structures and Algorithm. Types of algorithms in DSA. Explain LinkedList and it's need. Explain Difference between Stack ...read more
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Q2. Implementation of LinkedList using Array (Only algorithm or different types of ways to implement it).
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Q3. Major question: On spot coding of LinkedList based Question. Here I wrote Java Libraries and completed code within 4 lines and Interview was happy with my Java Libraries knowledge. Still I wrote same log...read more
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Q1. HR Round : This round of most danger round. Initially I thought I am selected because Tech Interview went very very well. In HR Round, HR asked many basic questions like Why LTI ? Why you don't pursue...read more
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