Neumatica Technologies Technical Support Engineer Interview Questions and Answers

Hashmap related question, easy bfs

Q1. Asked some question related to parking lot and asked to draw all diagrams
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Data structures and algorithms

Data structures and algorithms

Coding round consists of two sections and each section has 2 questions. One question is based on oops to solve a real life problem.

Q1. Explain diamond problem in OOPS
Ans. 
The diamond problem is an ambiguity that occurs when a class inherits from two classes that have a common base class.
• Occurs in multiple inheritance

• Results in ambiguity in method resolution

• Can be resolved using virtual inheritance

• Example: Class A -> Class B, Class C -> Class D, Class B and Class D inherit from Class A, Class C inherits from both Class B and Class D
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Q2. Explain the virtual function in OOPS
Ans. 
Virtual functions in OOPS allow a derived class to provide its own implementation of a method defined in the base class.
• Virtual functions are declared in the base class and can be overridden by derived classes.

• They enable polymorphism, allowing objects of different classes to be treated as objects of the same base class.

• The virtual keyword is used to declare a function as virtual in the base class.

• The derived class can...read more
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MCQ on computer fundamentals

5 DSA questions medium , hard lvl

Q1. About myself and my project overview
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Q2. Oops , Abstraction in detail and mysql and nosql diff
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Q3. DSA questions on Array , Graph and DP
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50 questions were given and we were supposed to solve it in 45 mins. But from what I've heard only 12 students made it to the next round.

Didn't qualify but it consisted of leetcode medium-hard questions.

2 Medium DSA problem based upon tree

Medium dsa problem based on graph

Q1. Design parking management
Ans. 
Design a parking management system
• Consider the number of parking spaces and their availability

• Implement a system to track and manage parking reservations

• Include features like payment processing and ticketing

• Design a user-friendly interface for customers and administrators

• Ensure scalability and efficiency of the system
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Q1. Normal discussion regarding previous experiences
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Q1. Design a Url Shortener serive
Ans. 
A URL shortener service that converts long URLs into shorter, more manageable links.
• Generate a unique short code for each long URL

• Store the mapping between short code and long URL in a database

• Redirect users from short URL to original long URL when accessed
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50 questions should be answered in 45 minutes. They include Aptitude, OS, Pseudo codes, micro processors etc

5 questions will be given 1 easy 2 med 2 hard. Atleast 3 and more should be done

Q1. This is the only interview. No HR will be there. Mostly about the one of the codes that have given in the second round. Some technical questions include oops concepts, SQL etc
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Q2. Why do we use JS for Web development Why not Python?
Ans. 
JS is used for web development due to its compatibility with browsers, asynchronous capabilities, and large community support.
• JavaScript is the only language that can be executed in the browser, making it essential for client-side scripting.

• JS has asynchronous capabilities, allowing for non-blocking operations which are crucial for web development.

• There is a large community of developers using JS for web development, p...read more
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