QAD Senior Application Consultant Interview Questions and Answers for Experienced

Good technical round, you can manage, mainly Java questions used to come

Q1. HR round is also good package discussion will happen
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Q2. Company personal so kept secret
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Q1. Longest palindromic substring
Ans. 
Find the longest substring in a given string that reads the same forwards and backwards.
• A palindrome is a string that reads the same forwards and backwards, e.g., 'racecar'.

• To find the longest palindromic substring, we can use dynamic programming or expand around the center technique.

• Example: For the input 'babad', the longest palindromic substring can be 'bab' or 'aba'.

• Dynamic programming approach involves creating a ...read more
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Q2. Kth largest element
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Hacker rank test. Basic coding questions on arrays, list etc.

Q1. Interactive session. Theoritical questions on oops, multithreading, springboot, java8 and few coding questions.
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Q1. Design round. Questions on system design and best practices to be followed while developing any service. Few managerial questions as well.
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Q1. Profile related questions and salary discussion.
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Q1. Interview question was totally Technical related to LTE.
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Q1. Nothing to worry in 2nd interview. It was just introduction type round where line manager will ask something and explain something about company
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Q1. Mimic Dataframe Merge
Ans. 
Implement a function to mimic the functionality of merging two DataFrames in Python.
• Create a function that takes two DataFrames as input.

• Merge the two DataFrames based on a common column or index.

• Handle different types of joins like inner, outer, left, and right joins.

• Return the merged DataFrame as output.
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Q2. Improve above case by case
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1 hour - Find longest palindromic substring

Q1. About project and technology
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Q1. What is expected Salary?
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Discussion about OOPS concepts and String related program

Program on Recursion and Array

Q1. Strength and Weakness
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Q2. Reason for joining with company
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