Infobell IT Solutions Data Engineer Interview Questions and Answers

Q1. Basic questions on PHP
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Q2. Some difficult questions and program to write in online editor
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Q1. Asked a few Hard questions and project related questions
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Q2. Program to write on online editor Parenthesis matching and flight ticket booking
Ans. 
Program to write on online editor with parenthesis matching and flight ticket booking functionality.
• Create a program that allows users to write and edit text online.

• Implement a feature to match parentheses in the text.

• Include functionality for users to book flight tickets.

• Ensure the program is user-friendly and efficient in handling both tasks.

• Example: Use HTML, CSS, and JavaScript to create the online editor with pare...read more
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Q1. Normal managerial round, go through company website before this round
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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
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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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General mathematics, pseudo code.

Time: 30min
GD: lead tech concepts

Select a primary coding language and ensure that the fundamental concepts are well understood.

Logical reasoning 20 character

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

Coding on python programming, any language is used in in coding.

Q1. Good ask simple question and simple program
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Q2. Python programming string reverse the string
Ans. 
Python provides a simple way to reverse a string using slicing.
• Use slicing to reverse the string: string[::-1]

• Assign the reversed string to a new variable or print it directly

• Alternatively, use the reversed() function to create a reversed iterator and join it back into a string
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