Emtec Data Engineer Interview Questions and Answers

Q1. Do you know about GD&T?
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Q2. Tell me about project you Did.
Ans. 
Led a cross-functional team to develop a scalable web application for real-time data analytics in the finance sector.
• Designed the architecture using microservices to enhance scalability and maintainability.

• Implemented a CI/CD pipeline using Jenkins, reducing deployment time by 40%.

• Collaborated with data scientists to integrate machine learning models for predictive analytics.

• Conducted code reviews and mentored junior e...read more
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Q1. How much your expectations?
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Q2. Do you have any questions?
Ans. 
I would like to understand the team's culture, project expectations, and opportunities for growth within the company.
• What does the typical career progression look like for a Senior Engineer here?

• Can you describe the team dynamics and collaboration style?

• What are the current projects the team is working on, and what technologies are being used?

• How does the company support continuous learning and professional development...read more
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1st round was Aptitude, which is average difficultly level.

2nd round was Group Discussions, here they only check our communication.

Q1. Techincal Round, here the technical questions about our bachgroud were asked. They will ask questions based on our resume.
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Q2. What is Artificial Intelligence?
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Artificial Intelligence is the simulation of human intelligence processes by machines, especially computer systems.
• AI involves machines performing tasks that typically require human intelligence, such as visual perception, speech recognition, decision-making, and language translation.

• Machine learning is a subset of AI that enables machines to learn from data and improve their performance over time.

• Examples of AI applic...read more
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Q3. What is Power BI?
Ans. 
Power BI is a business analytics tool by Microsoft that provides interactive visualizations and business intelligence capabilities.
• Power BI is a data visualization tool used to create interactive reports and dashboards.

• It allows users to connect to various data sources, clean and transform data, and create visually appealing reports.

• Power BI offers a wide range of visualization options such as charts, graphs, maps, and...read more
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Q4. How to load Data in Power BI?
Ans. 
Data can be loaded in Power BI by connecting to various data sources like Excel, SQL databases, online services, etc.
• Connect to data sources by clicking on 'Get Data' in Power BI

• Select the desired data source (e.g. Excel, SQL Server, SharePoint, etc.)

• Choose the specific data tables or queries to import into Power BI

• Transform and clean the data using Power Query Editor if needed

• Load the data into Power BI model for visu...read more
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Q5. Explain about your final year project?
Ans. 
Developed a predictive analytics model for predicting customer churn in a telecom company.
• Used machine learning algorithms like logistic regression and random forest for analysis.

• Performed data preprocessing, feature engineering, and model evaluation.

• Achieved an accuracy of 85% in predicting customer churn.

• Presented findings and recommendations to the telecom company's management team.
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Q1. Why do you want to join this company
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Q2. Tell me about yourself
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Q1. What is data warehousing
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Verbal ability, logical reasoning, finding relationship, problem on train, Problem on distance and time, find compound interest

Q1. What is your family background?
Ans. 
I come from a close-knit family that values education and hard work, with diverse backgrounds and strong support for each other.
• My parents are both educators, which instilled a love for learning in me from a young age.

• I have two siblings; we often collaborate on projects and support each other's career goals.

• Family gatherings are frequent, where we share experiences and celebrate achievements together.

• My grandparents i...read more
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Q2. What are your strengths and weaknesses?
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Q3. Tell me about yourself.
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Q4. HR behaviour was very good and helpful
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Full c concept MCQ with IQ and Computaional Thinking

Q1. Number system convertion in c
Ans. 
Number system conversion in C involves converting numbers between different bases, such as decimal to binary or hexadecimal.
• Use functions like itoa() to convert integers to strings in different bases

• Use strtol() to convert strings to integers in different bases

• Remember to specify the base when converting numbers
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Q2. Pointers, struct, Data Structure
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Q1. Decimal to Binary Convertion
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Q2. Hexa Decimal to Binary convertion
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