NEC Interview Questions, Process, and Tips

Q1. What is Data Science and Machine Learning. Name few algorithms and if I have used any of them in my projects or learning.
Ans. 
Data Science is the study of data to extract insights and knowledge. Machine Learning is a subset of Data Science that uses algorithms to learn patterns from data.
• Data Science involves collecting, cleaning, analyzing, and interpreting data to make informed decisions

• Machine Learning algorithms include Linear Regression, Decision Trees, Random Forest, K-Means Clustering, and Neural Networks

• I have used Random Forest algor...read more
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Q2. What is Decision tree and how it works and what principle it follows. What is Keras and Random forest where it is used and for why it is used.
Ans. 
Decision tree is a tree-like model used for classification and regression. Keras is a deep learning library and Random forest is an ensemble learning method.
• Decision tree is a supervised learning algorithm that works by recursively splitting the dataset into subsets based on the most significant attribute.

• Keras is a high-level neural networks API written in Python that runs on top of TensorFlow, CNTK, or Theano. It is ...read more
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Array and string based questions

Q1. Teams Round with Tech lead
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Q2. Opps, c#, .net core ,web API sql
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There were total 60 MCQ worth time of 1 hour. The major part is covered by the computer fundamentals like OS and CN , Verbal reasoning , Quant , Cloud and code snippet output based questions. If you are scoring 48/60 then there is a great chance to qualify this round.

3 coding questions worth time of 30 minutes. The level was moderate. 2 question was based on string and 1 question was on Array. If you solve 2 questions then there is a great chance to qualify this round.

Q1. After qualifying these 2 rounds we moved to our next segment , which was Technical Interview Round 1 (L-1).
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Q2. In level 1 interview the level of questions was above easy to below moderate. They asked me some command of Linux , Algorithm for Binary Search , Fundamentals of OOPS , 2 coding questions which were as fol...read more
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Q1. This Round was quite tough. They asked me various coding questions based on OOPS , some scripts for Data Analytics , all the operations possible in Data Bases.
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Q1. Just a simple interaction not as much need to worry about this segment.
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Q1. Explain the existing architecture of system
Ans. 
The existing architecture of the system is a microservices-based architecture with a front-end layer, multiple backend services, and a database layer.
• Front-end layer: Includes user interface components and client-side logic.

• Backend services: Each service handles specific functionalities, such as user authentication, data processing, and external integrations.

• Database layer: Stores and manages data used by the system, w...read more
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Q2. Agile Project Management Methods
Ans. 
Agile project management methods focus on iterative and incremental development, collaboration, flexibility, and customer feedback.
• Iterative and incremental development allows for continuous improvement and adaptation to changing requirements.

• Collaboration among team members promotes communication and shared responsibility for project success.

• Flexibility in responding to changes and uncertainties in the project environ...read more
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Q3. How to manage the conflict
Ans. 
Conflict management involves understanding the root cause, active listening, finding common ground, and seeking win-win solutions.
• Understand the root cause of the conflict

• Practice active listening to all parties involved

• Find common ground and areas of agreement

• Seek win-win solutions that benefit all parties

• Use effective communication and negotiation skills

• Consider involving a mediator if necessary
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Q1. Discussion on PMP PMBOK methods
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Q1. Discussion on Agile scrum framework
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Q1. Discussion on salary
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Q1. Technical and job description, details of past experiences and jobs profile.
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