CrossAsyst Infotech Data Engineer Interview Questions and Answers

1 hour, oops concept,machine learning, python, sql

30 minutes, python , c++ basic programs

Q1. Find in rotated sorted array
Ans. 
Search for a target value in a rotated sorted array.
• Use binary search to find the pivot point where the array is rotated.

• Determine which half of the array the target value lies in based on the pivot point.

• Continue binary search in the appropriate half of the array to find the target value.
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Q2. Design IMDB. how will you manage concurrent ratings
Ans. 
Design IMDB with concurrent ratings management
• Implement a locking mechanism to ensure only one user can update a rating at a time

• Use a queue system to handle multiple rating requests in an orderly manner

• Consider using distributed systems to handle high concurrency levels
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Q1. Design vehicle rental system. Api design
Ans. 
Design a vehicle rental system API
• Create endpoints for listing available vehicles, booking a vehicle, and returning a vehicle

• Include authentication and authorization mechanisms for users and admins

• Implement payment gateway integration for processing rental payments

• Include features like vehicle search, filtering, and reviews/ratings

• Consider scalability and performance optimizations for handling high traffic
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Q1. Why did you selected this job
Ans. 
I selected this job because of my passion for analyzing data and using insights to drive decision-making.
• Passion for data analysis

• Opportunity to use insights for decision-making

• Interest in working with data-driven technologies
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Q2. Why should I select you
Ans. 
I have a strong background in data analysis, excellent problem-solving skills, and a proven track record of delivering actionable insights.
• I have a degree in data science and have completed multiple data analysis projects during my studies.

• I am proficient in various data analysis tools such as Python, R, and SQL.

• I have experience in interpreting complex data sets and presenting findings to stakeholders in a clear and c
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There are Question based on data strcuture ,they cover all the topic in ds

In coding code they gave internet access to solve the problem after 30 they told us to make some changes in it and we should ready to explain the entire code

Q1. About ur self some technical problem
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