NTT Data Information Processing Services AI Engineer Interview Questions and Answers

It was quite difficult but did well.60 questions in 60min divided into 4 sections

Q1. About stress and strain curve explanation
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Q2. Iron carbon diagram explanation
Ans. 
Iron-Carbon Diagram shows the phases of iron and carbon at different temperatures.
• Graphical representation of the phases of iron and carbon at different temperatures

• Helps in understanding the microstructure of steel

• Consists of regions like austenite, ferrite, cementite, and pearlite

• Used in heat treatment processes to control the properties of steel
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Q1. Why we want to hire you
Ans. 
I have a strong background in design engineering with a proven track record of successful projects.
• Extensive experience in CAD software such as SolidWorks and AutoCAD

• Strong problem-solving skills and attention to detail

• Excellent communication and teamwork abilities

• Track record of delivering projects on time and within budget

• Passion for innovation and continuous learning
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Q2. Tell me about the company
Ans. 
The company is a leading design engineering firm specializing in innovative solutions for various industries.
• Founded in 2005 by a team of experienced engineers

• Provides services in product design, prototyping, and testing

• Works with clients in automotive, aerospace, and consumer electronics sectors
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Simple aptitude qyestions

! simple and 1 medium levelleetcode questions

Q1. Generic Python Based questions
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Q2. Python Data structures
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Q3. Generators, Decorators
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Q1. LLD and` Web framework based questions
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MCQ BASED - medium to difficult

Assignment based on your profile , scenario based must

Q1. About your previous company work and programming related questions
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Q2. Oops concept , dsa , sql , debugging a problem in your code
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Q1. More questions on interfaces
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Q2. Comparator related questions
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Q1. Stream api coding questins
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Q2. Database questions
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Q1. Simple task to fetch cart and display items in the cart
Ans. 
Fetch cart items and display them
• Create a function to fetch cart items from database

• Display the items in the cart on the user interface

• Handle empty cart scenarios

• Consider pagination for large number of items
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Q2. React hooks, life cycle methods, error boundaries, hoc
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Q1. Simple task to fetch characters and their movies
Ans. 
Fetch characters and their movies
• Use API like IMDb or The Movie Database to fetch movie data

• Parse the data to extract characters and their associated movies

• Store the characters and movies in an array of strings
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Q1. Culture based questions
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Q1. Java programs related to strings
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Q2. Collections question in java
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Q1. What is delegates
Ans. 
Delegates are a type-safe function pointers used in C# to reference methods.
• Delegates allow methods to be passed as parameters

• Delegates can be used to define callback methods

• Delegates are used in event handling in C#
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Q2. Why we use interface in .net core
Ans. 
Interfaces in .NET Core provide a way to define a contract for classes to implement, promoting code reusability and flexibility.
• Interfaces allow for multiple inheritance in .NET Core, as a class can implement multiple interfaces.

• Interfaces help in achieving loose coupling between components, making the code more maintainable and testable.

• Interfaces are used for dependency injection in .NET Core, allowing for easier uni...read more
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Q3. Why we use garbage collection
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Garbage collection is used to automatically manage memory by reclaiming unused memory and preventing memory leaks.
• Prevents memory leaks by reclaiming memory that is no longer in use

• Reduces the risk of memory errors and crashes

• Improves performance by freeing up memory for other processes

• Eliminates the need for manual memory management, reducing developer workload
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