MSC Technology India Business Data Analyst Interview Questions and Answers

Q1. Optimization techniques in spark
Ans. 
Optimization techniques in Spark involve tuning parameters, partitioning data, and using caching.
• Tune parameters like memory allocation, parallelism, and shuffle partitions for better performance

• Partition data to distribute workload evenly across nodes

• Use caching to store intermediate results in memory for faster access

• Examples: repartition(), cache(), persist() functions in Spark
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Q1. Tell me about your project
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Q1. After bragging about their company for 25 minutes, they proceed to give you a 15% hike. All the negative reviews about this company is true
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Q1. Basic ML questions based on your project, python basic questions
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Basic python questions on pandas,numpy, and basic SQL questions on windows function like lag

30 minutes. 3 aptitude questions . Very easy .

DSA Questions. Palindrome , Arrays and Strings were the most asked questions in my batch.

Q1. What are directors?
Ans. 
Directors are individuals responsible for overseeing the activities and operations of a company or organization.
• Directors are typically appointed by shareholders or members of the organization.

• They are responsible for making strategic decisions and setting goals for the organization.

• Directors have a fiduciary duty to act in the best interests of the company and its stakeholders.

• Examples of directors include the CEO, CF
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Q2. OOP COncepts such as polymorphism, inheritance, etc.
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AWS and Python, basic Machine learning questions

Python, project description, AWS, in build package

Basic Machine learning data science

Q1. Questions were asked related to ML modelling process
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Q2. Basic python coding
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Aptitude, coding on python NLP

Python Data Frames, String list manipulation

Q1. Common discussion
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Q2. Salary location etc
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Test+2 interviews(technical and statistics)

Basic guestimates and case studies

Q1. Data science related areas
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Case study related to semantic search

Q1. Questions based on case study
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