NTT Data Junior Engineer Trainee Interview Questions and Answers

Q1. What is n-tier architecture
Ans. 
n-tier architecture is a software design pattern that divides an application into logical layers.
• It separates presentation, application processing, and data management functions.

• Each layer can be developed and maintained independently.

• Examples include 3-tier and 4-tier architectures.

• It improves scalability, maintainability, and flexibility of the application.
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Q1. What is your expectation from company
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Q1. Explain about past projects.
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Q2. Technology on which you worked.
Ans. 
I have worked on various technologies including Java, Python, AWS, and Docker.
• Developed RESTful APIs using Java and Spring framework

• Implemented machine learning models using Python and scikit-learn library

• Deployed applications on AWS using EC2, S3, and RDS

• Containerized applications using Docker for easy deployment and scaling
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Q3. C language basic but important concepts related to Data type, pointer, etc.
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Q4. Python knowledge check.
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We should be clear on logics, syntax can be ignored but logics should be very clear

Q1. Are you comfortable working from any location
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Q2. What are your expectations from our organisation
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Normal, class 10 apti plus english

3 question on string manipulation

Q1. Multithreading based questions
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Q2. Microservices based architecture
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