EXL Service Interview Questions, Process, and Tips

Q1. Sort array in python
Ans. 
Use the sorted() function to sort an array of strings in Python.
• Use the sorted() function with the array as input to get a new sorted array.

• You can use the reverse parameter to sort in descending order.

• You can use the key parameter to specify a custom sorting key.

• Example: sorted_array = sorted(array)
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Q2. Merge 2 arrays in python
Ans. 
Use the concatenate function from numpy to merge two arrays in Python.
• Import numpy library

• Use np.concatenate() function to merge the arrays

• Ensure both arrays have the same data type
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Q3. Sql to find 2nd highest salary
Ans. 
Use SQL query with ORDER BY and LIMIT to find 2nd highest salary
• Use ORDER BY clause to sort salaries in descending order

• Use LIMIT 1,1 to skip the highest salary and get the second highest

• Example: SELECT salary FROM employees ORDER BY salary DESC LIMIT 1,1
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Q4. Sql for running total
Ans. 
Running total in SQL is achieved by using window functions like SUM() with OVER() clause.
• Use SUM() function with OVER() clause to calculate running total.

• Specify the window frame with ORDER BY in the OVER() clause.

• Running total can be reset based on certain conditions using PARTITION BY in the OVER() clause.
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Basics programing skills were covered

Q1. About project experience
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Q2. Python knowledge and experience around the same
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It was good test with great questions

Q1. What do you know about transaction monitoring
Ans. 
Transaction monitoring involves tracking and analyzing financial transactions to detect suspicious activities.
• Transaction monitoring is a process used by financial institutions to identify and prevent money laundering, fraud, and other illegal activities.

• It involves monitoring customer transactions in real-time or retrospectively to identify any unusual patterns or behaviors.

• Automated transaction monitoring systems use...read more
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Q2. Have you worked with any fintech before
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Q1. Salary expectations I Had
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Q2. What was my previous experience
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Q1. How do you start your day?
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Q2. Questions regarding your career
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English grammar, composition, fill in the blank

Q1. What are your ambitions
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Q2. Why did you choose this company
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