DataTrained Information Technology Support Engineer Interview Questions and Answers

Write the program to swipe number

Q1. How much salary do you want and what was you last ctc
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Q2. Tell me about your family
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Q1. Tell me something about your family members?
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Q1. What was your salary expectation?
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Q1. Low Level design on Quiz Portal Application
Ans. 
Designing a low level architecture for a quiz portal application
• Use a microservices architecture for scalability and flexibility

• Implement a database schema to store quiz questions, answers, and user responses

• Utilize caching mechanisms to improve performance

• Design an authentication system to ensure secure access to quizzes

• Include features for creating, editing, and taking quizzes
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Q1. Questions Based on Python
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Q1. Salary Expectations and Joining Process
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Coding round with 3 problem statements

Q1. Questions related to project you have mentioned on resume
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Q2. Questions related to technologies you have mentioned
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Q3. Questions related to the coding test
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Q4. Nothing discussed everything as I know
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Q5. All the best those who are trying their best
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Common Aptitude along with HTML5, CSS

Q1. Mostly questions were on HTML5,CSS and web development related questions.
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Speed distance, relations, coding decoding, work time

Strings, LinkedList

Basic bath included and Strings sorting, leetcode medium basic SQL and some basic web related things

Q1. Hr calls to understand candidates experience and expectations
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Q1. Both technical discussion and coding happens in this round
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Q1. Some technical discussion with engineer manager and cultural fit
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Round duration - 60 Minutes
Round difficulty - Easy

It was an coding round

Q1. 
The Skyline Problem
Compute the skyline of given rectangular buildings in a 2D city, eliminating hidden lines and forming the outer contour of the silhouette when viewed from a distance. Each building is ...read more
Ans. 
Compute the skyline of given rectangular buildings in a 2D city, eliminating hidden lines and forming the outer contour of the silhouette.
• Iterate through the buildings and create a list of critical points (x, y) where the height changes.

• Sort the critical points based on x-coordinate and process them to form the skyline.

• Merge consecutive horizontal segments of equal height into one to ensure no duplicates.

• Return the fin...read more
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Q2. 
Rat in a Maze Problem Statement
You need to determine all possible paths for a rat starting at position (0, 0) in a square maze to reach its destination at (N-1, N-1). The maze is represented as an N*N ma...read more
Ans. 
Find all possible paths for a rat in a maze from source to destination.
• Use backtracking to explore all possible paths in the maze.

• Keep track of visited cells to avoid revisiting them.

• Recursively try moving in all directions (up, down, left, right) until reaching the destination.

• Return a list of strings representing valid paths sorted in alphabetical order.
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Round duration - 30 Minutes
Round difficulty - Easy

It was an HR round with some general questions. it was just for formality.