Rosetta by Ferns Interview Questions and Answers

Q1. Introduce yourself & previous experience .
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Q2. Understanding about the company
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Q1. Python difference between list and dictionary
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List is an ordered collection of elements while dictionary is an unordered collection of key-value pairs.
• Lists are accessed by index while dictionaries are accessed by keys.

• Lists can contain duplicate values while dictionaries cannot have duplicate keys.

• Lists are enclosed in square brackets [] while dictionaries are enclosed in curly braces {}.

• Example: list = [1, 2, 3] and dictionary = {'a': 1, 'b': 2, 'c': 3}
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Q2. Sql what is window function
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Window functions in SQL are used to perform calculations across a set of rows that are related to the current row.
• Window functions are used to calculate values based on a subset of rows within a larger result set.

• They allow you to perform calculations across rows that are related to the current row.

• Examples of window functions include ROW_NUMBER, RANK, DENSE_RANK, and NTILE.

• Window functions are often used in conjunctio...read more
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Q1. Self introduction , overall experience, why our organisation, future goals
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Q2. Salary expectation
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Q3. Reason of leaving last organisation
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Q1. Some technical questions
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Q2. Past achievements
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Q3. Situation base question
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Q4. Salary negotiation
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Q1. JavaScript and React.js basic.
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Q2. Event loop and react hooks.
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Q1. Data structure and algorithm
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Q2. Objects related questions.
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Q1. Architectural questions.
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Q2. System design related questions.
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Q1. Quant based questions
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Q2. Data synthesis based
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Q1. Coding Question and resume based questions
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Basic aptitudes questions were asked, need to solve in given time frame

1 general question was asked and you need to give your points of view

Q1. Basic questions were asking, Basic dsa, Oops dbms
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Q2. Find max of array, Oops concept
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Using OOP concepts to find the maximum value in an array of strings
• Create a class to represent the array of strings

• Implement a method in the class to find the maximum value

• Use a loop to iterate through the array and compare each element to find the maximum value
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