Nestaway Senior Business Analyst Interview Questions and Answers

Q1. SQL: left join, right join and inner join questions find out the latest entry for an user when they log in to a app Python: few basic questions on python like count the characters in a word. Linux: what co...read more
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Q1. Why data? Why Tokopedia? Talk about bachelor's thesis?
Ans. 
Data analysis is crucial for making informed decisions. Tokopedia's vast data provides a great opportunity for analysis. My bachelor's thesis focused on data-driven insights.
• Data allows for informed decision-making and insights.

• Tokopedia's extensive data provides a valuable opportunity for analysis.

• My bachelor's thesis delved into data-driven insights and analysis.
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Q1. Walkthrough bachelor's thesis
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Question on dsa and string theory along with oops concepts

Q1. Question on java strings and arrays
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Q1. How can we improve the performance of a Front End System
Ans. 
Improving Front End System Performance
• Optimize images and reduce their size

• Minimize HTTP requests and use caching

• Use lazy loading for images and videos

• Reduce the number of DOM elements

• Use a Content Delivery Network (CDN)

• Minimize the use of external scripts and plugins

• Use asynchronous loading for scripts

• Optimize CSS and JavaScript files

• Use browser caching

• Implement server-side rendering
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Q2. What is Event Loop and give an example on how it works.
Ans. 
Event Loop is a mechanism that allows JavaScript to handle multiple tasks simultaneously.
• Event Loop is a part of JavaScript runtime that continuously checks the call stack and the task queue.

• It prioritizes the tasks in the queue and pushes them to the call stack when it's empty.

• This allows JavaScript to handle I/O operations and other asynchronous tasks without blocking the main thread.

• Example: setTimeout() function ad...read more
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Q1. What lessons have you learned from your experiences in your previous company?
Ans. 
I have learned the importance of effective communication, adaptability, and teamwork.
• Effective communication is key to successful projects and relationships.

• Adaptability is crucial in navigating changes and challenges in the workplace.

• Teamwork is essential for achieving common goals and fostering a positive work environment.
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Q1. What are the different types of financial derivatives?
Ans. 
Financial derivatives are contracts whose value is derived from the performance of an underlying asset, index, or rate.
• Types include options, futures, forwards, and swaps

• Options give the holder the right, but not the obligation, to buy or sell an asset at a specified price before a certain date

• Futures are agreements to buy or sell an asset at a future date for a price agreed upon today

• Forwards are similar to futures bu...read more
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Q2. What are corporate actions and what are their various types?
Ans. 
Corporate actions are events initiated by a public company that impact its shareholders and securities.
• Types of corporate actions include dividends, stock splits, mergers and acquisitions, rights issues, and bonus issues.

• Dividends are payments made to shareholders from a company's profits.

• Stock splits involve dividing existing shares into multiple shares to lower the price per share.

• Mergers and acquisitions are when tw...read more
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I was asked question on sliding window on finding the largest subarray with all distinct numbers. The interviewer was very helpful.