Renault Nissan Technology & Business Centre India Data Engineer Interview Questions and Answers

Q1. About the projects and Transmission
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Q1. Technical and stack up analysis
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Q1. Collection questions, sql queries, Springboot features, internals
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Q1. Design pattern questions, spring security internals, some logical questions as well
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Q1. Just salary discussion was there
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1 hour, 2 coding questions, 45 aptitude questions

Q1. Based on your resume
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Q1. General discussion
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45 aptitude questions, 2 coding questions

Q1. Based on Resume, since it was a role for fresher they asked everything from html, css, sql to OOPS
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Q2. What are the 4 pillars in oops
Ans. 
The 4 pillars in OOPs are Inheritance, Encapsulation, Abstraction, and Polymorphism.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation restricts access to certain components within a class, protecting the data.

• Abstraction hides complex implementation details and only shows the necessary features.

• Polymorphism allows objects to be treated as instances of their parent class or a
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Q1. Basic integrity related questions, and communication skills
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Q1. What is your availability?
Ans. 
I am available to start immediately and work full-time.
• Available to start immediately

• Available to work full-time

• Flexible with work hours if needed
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Q2. What are your salary expectations
Ans. 
I am looking for a competitive salary based on my experience and skills.
• Research industry standards for software engineer salaries

• Consider my level of experience and expertise

• Factor in the cost of living in the area where the job is located
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Basic core Java questions on String, Integer & Collection

Q1. About role, project, Microservices
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Q1. Detailed questions on Spring Boot, MySql
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Be good at aptitude.

Be good at programming

Q1. Be good at your subject learnings.
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Q1. Easy just be yourself and confident,
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Q1. Whats are oops and tell some exmaples
Ans. 
OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.
• OOPs focuses on creating objects that contain data and methods to manipulate that data.

• Encapsulation, Inheritance, Polymorphism, and Abstraction are the four main principles of OOPs.

• Examples of OOPs languages include Java, C++, Python, and C#.
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Q2. Whats is dbms and what are joins?
Ans. 
DBMS stands for Database Management System. Joins are used to combine rows from two or more tables based on a related column between them.
• DBMS is a software that manages databases, allowing users to interact with the data stored in them.

• Joins are used in SQL queries to combine data from multiple tables based on a related column.

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
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Q1. Tell me about yourself
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Q2. Why do you want to join volkswagen
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