BUSINESSNEXT Interview Questions, Process, and Tips

Q1. What is Machine Learning, Difference among AI, ML and DL
Ans. 
Machine Learning is a subset of Artificial Intelligence that uses algorithms to learn from data and make predictions.
• AI (Artificial Intelligence) is the broader concept of machines being able to carry out tasks in a way that we would consider 'smart'.

• ML (Machine Learning) is a subset of AI that focuses on the development of computer programs that can access data and use it to learn for themselves.

• DL (Deep Learning) is ...read more
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Q2. Evaluation Metrics for Classification
Ans. 
Evaluation metrics are used to assess the performance of classification models.
• Common evaluation metrics include accuracy, precision, recall, F1 score, and ROC-AUC.

• Accuracy measures the overall correctness of the model's predictions.

• Precision measures the proportion of true positive predictions out of all positive predictions.

• Recall measures the proportion of true positive predictions out of all actual positives.

• F1 sco...read more
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Q1. Window Function of SQL
Ans. 
Window functions in SQL allow you to perform calculations across a set of table rows related to the current row.
• Window functions are used to perform calculations on a set of rows related to the current row.

• They do not reduce the number of rows returned by the query.

• Common window functions include ROW_NUMBER(), RANK(), DENSE_RANK(), and NTILE().
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Q2. Index and Procedure in SQL
Ans. 
Indexes are used to improve the performance of SQL queries by allowing faster data retrieval. Procedures are reusable SQL code blocks.
• Indexes are used to quickly locate data without having to scan the entire table.

• Procedures are stored SQL code blocks that can be executed multiple times.

• Indexes can be created on columns to speed up search queries.

• Procedures can accept input parameters and return results.
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Q1. Salary Expectation
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Q2. Location Preferemce
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Normal aptitude questions

SQL questions regarding joins and group by

Q1. Do u know SQL?
Ans. 
Yes, I am proficient in SQL and have experience writing complex queries.
• Proficient in writing SQL queries

• Experience with complex joins and subqueries

• Familiar with database management systems like MySQL, PostgreSQL, etc.
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Q2. Are you good at dotnet?
Ans. 
I am highly proficient in .NET with extensive experience in developing web applications, APIs, and desktop applications.
• Extensive experience in developing web applications using ASP.NET MVC and ASP.NET Core

• Strong knowledge of C# programming language and .NET framework

• Experience in building RESTful APIs using .NET Web API

• Familiarity with front-end technologies like HTML, CSS, and JavaScript for building interactive web ...read more
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Q1. Salary expectation?
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There are 25th logical reasoning questions

Q1. Html, react, ds question
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Q1. What is webpack
Ans. 
Webpack is a module bundler for JavaScript applications.
• Webpack takes modules with dependencies and generates static assets representing those modules.

• It can handle various types of assets like JavaScript, CSS, images, and fonts.

• Webpack allows for code splitting, lazy loading, and hot module replacement.

• It has a rich plugin ecosystem to extend its functionality.

• Commonly used configuration file for webpack is webpack.co
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Q2. What is the role of babel
Ans. 
Babel is a JavaScript compiler that converts modern JavaScript code into backward-compatible versions for browser compatibility.
• Babel allows developers to write code using the latest ECMAScript features without worrying about browser support.

• It transforms JSX syntax used in React components into regular JavaScript.

• Babel can also be configured to support specific browsers or environments.

• Plugins can be added to Babel fo
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Q1. What is HOC in React
Ans. 
HOC stands for Higher Order Component in React, a pattern where a function takes a component and returns a new component.
• HOC is a function that takes a component and returns a new component with additional props or functionality.

• It is used for code reusability, logic abstraction, and cross-cutting concerns like logging, authentication, etc.

• Example: withAuth HOC can add authentication logic to a component by checking if
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Q2. What are lifecycle methods in React js
Ans. 
Lifecycle methods in React js are special methods that allow developers to hook into the component lifecycle and perform actions at specific points.
• componentDidMount() - called after the component is rendered for the first time

• componentDidUpdate() - called after the component's updates are flushed to the DOM

• componentWillUnmount() - called before the component is removed from the DOM
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Easy questions ......

3 questions .........

Gd....................

Q1. Sql,DSA, projects .......
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Q1. Behavioral ................
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