Infosys Interview Questions, Process, and Tips

Q1. Explain reformat component
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Q2. Scenario based questions on join
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Q3. Scd,crd,rollup in expanded mode,partition components
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Q1. Full intro , and current project based questions
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Q2. Last project questions
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Q1. Javascript related questions
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Q1. About my current project
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Q1. What projects have you worked on, share the tech stack and basic architecture.
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Q2. What is the size of the team you have worked with?
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Q3. What is Attribute routing in .NET?
Ans. 
Attribute routing in .NET allows developers to define routes directly on controller actions or methods using attributes.
• Attribute routing provides more control over the URIs in your web application

• Routes are defined using attributes like [Route] and [HttpGet]

• Example: [Route("api/customers/{id}")]
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Q4. What are the middlewares in .NET?
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Middlewares in .NET are components that can be added to the request pipeline to handle requests and responses.
• Middlewares are used in ASP.NET Core to process HTTP requests and responses.

• They are added to the request pipeline in the Startup class.

• Examples of middlewares in .NET include authentication middleware, logging middleware, and error handling middleware.
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Q5. What are delegates in .NET?
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Delegates in .NET are type-safe function pointers that allow methods to be passed as parameters.
• Delegates are similar to function pointers in C++.

• They are used to create callback functions and event handlers.

• Delegates can invoke one or multiple methods.

• Example: delegate void MyDelegate(string message);

• Example: MyDelegate del = new MyDelegate(MyMethod);
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Q6. What is the media type format used in REST API?
Ans. 
The media type format used in REST API is JSON (JavaScript Object Notation).
• JSON (JavaScript Object Notation) is the most commonly used media type format in REST API.

• It is a lightweight data interchange format that is easy for humans to read and write, and easy for machines to parse and generate.

• JSON data is represented as key-value pairs enclosed in curly braces {}.

• Example: {"name": "John Doe", "age": 30}
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Q7. Coding: Write a code to remove every 3rd occurrence from an Array.
Ans. 
Code to remove every 3rd occurrence from an Array of strings.
• Iterate through the array and keep track of the count of each element.

• Remove the element when the count is a multiple of 3.

• Return the modified array.
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Q8. Coding: Write an SQL Query to get the 2nd largest value from a Table.
Ans. 
SQL query to get the 2nd largest value from a Table
• Use the ORDER BY clause to sort the values in descending order

• Use the LIMIT clause to get the second row after skipping the first row
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Q1. What are the products of coca cola?
Ans. 
The products of Coca Cola include various soft drinks, juices, teas, and energy drinks.
• Coca Cola Classic

• Diet Coke

• Sprite

• Fanta

• Minute Maid juices

• Honest Tea

• Powerade energy drinks
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Q2. Who is the first brand ambassador of coca cola?
Ans. 
The first brand ambassador of Coca Cola was Hilda Clark, an actress who appeared in Coca Cola ads in the late 1800s.
• Hilda Clark was a popular actress in the late 1800s.

• She appeared in Coca Cola ads as the first brand ambassador.

• Her image was used on promotional items for Coca Cola.
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Q3. Who is the CEO of coca cola
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Q4. Who are competitors of coca cola
Ans. 
Competitors of Coca Cola include PepsiCo, Dr. Pepper Snapple Group, and Nestle.
• PepsiCo

• Dr. Pepper Snapple Group

• Nestle
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Introduction
Information
Tools and techniques
Analysis
Conclusion

Q1. Java coding (basic)
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Q2. Core Java (Fundamentals to Intermediate)
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Q3. API testing (Rest Assured and Postman)
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Q4. Selenium Basics
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Q1. Explain the project you were working on.
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Q2. What are the obstacles faced and how you solved?
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Q3. How teams collaborate?
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Q4. Was there any mistake occurred and there was blame game between devops and testing team?
Ans. 
Yes, there was a mistake that led to blame game between devops and testing team.
• Miscommunication between devops and testing team regarding deployment instructions

• Lack of clarity on testing requirements leading to missed bugs

• Pressure to meet deadlines causing rushed testing and deployment
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Q1. Salary expectations
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Q2. Notice period and is it negotiable
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Q1. Explain Oops concept
Ans. 
OOPs (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPs focuses on creating objects that interact with each other to solve a problem

• Key concepts include encapsulation, inheritance, polymorphism, and abstraction

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

• Inheritance: allows a class to inherit properties and...read more
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Q2. Explain authentication and authorisation
Ans. 
Authentication verifies the identity of a user, while authorization determines what actions they are allowed to perform.
• Authentication confirms the identity of a user through credentials like passwords or biometrics

• Authorization determines the permissions and access levels a user has within a system

• Examples include logging in with a username and password (authentication) and being able to view/edit specific files based
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