KANINI Software Solutions Interview Questions, Process, and Tips

Q1. Explain your project currently working on?
Ans. 
Developing a data pipeline to analyze customer behavior and improve marketing strategies.
• Using Python and SQL to extract and transform data from various sources

• Building machine learning models to predict customer preferences

• Collaborating with marketing team to implement data-driven strategies
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Q2. What are python packages you have used?
Ans. 
I have used python packages like Pandas, NumPy, Matplotlib, and Scikit-learn for data manipulation, analysis, visualization, and machine learning tasks.
• Pandas - for data manipulation and analysis

• NumPy - for numerical computing

• Matplotlib - for data visualization

• Scikit-learn - for machine learning tasks
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Q1. What is SCD type 2?
Ans. 
SCD type 2 stands for slowly changing dimension type 2, a method used in data warehousing to track historical data changes.
• SCD type 2 is used to maintain historical data by creating new records for changes in dimension attributes.

• It involves adding a new row to the dimension table with a new surrogate key for each change.

• The old record is marked as inactive with an end date, while the new record has a start date.

• This m...read more
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Q2. What is data warehousing?
Ans. 
Data warehousing is the process of collecting, storing, and managing data from various sources for analysis and reporting.
• Data warehousing involves extracting data from multiple sources and consolidating it into a central repository.

• It is used for data analysis, reporting, and decision-making purposes.

• Data warehouses are designed for query and analysis rather than transaction processing.

• Examples of data warehousing too...read more
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Topic-Social media
time-30 mins
Need to talk for 5 mins max

Q1. 30 mins interview on tech question.
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Q2. OOPS concepts, RDBMS concepts
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Q3. Explain OOPS concepts
Ans. 
OOPS concepts refer to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation detail
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Q4. What is object?
Ans. 
An object is a real-world entity that has state and behavior.
• Objects are instances of classes in object-oriented programming.

• They have attributes (data) and methods (functions).

• For example, a car object may have attributes like color, model, and speed, and methods like accelerate and brake.
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Q5. Explain polymorphism
Ans. 
Polymorphism is the ability of a single function or method to operate on different types of data.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Inheritance in object-oriented programming languages like Java allows for polymorphism.

• Example: Overloading a method...read more
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Q1. Selenium relatednd scenario basis?
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Q2. He is ask Logical program?
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Q1. Agile methodologies?
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Q1. Previous Only company realted nd salary discussion
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Q1. Basic Questions From Machine Learning
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Q2. Guesstimate and About Project
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Q1. Questions related to my experience
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