Infosys Dot Net Lead Interview Questions and Answers

Q1. Given a string, identify the indices of all first occurrences of vowels and return the count of these indices.
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Q2. Given two integers as input, how can you find the difference and determine how many numbers can be divided by 3 within that difference?
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Q3. Content Negotiation in ASP .Net Web API?
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Q4. How do we resolve Git Conflit?
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Q5. What is the role of a static constructor?
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Q6. How can we invoke each method if two interfaces define the same methods?
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Q7. Occurrence of each character in a given String?
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Q8. Rest vs WCF
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Q9. How do microservices communicate with each other?
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Q10. Cluster vs Non Cluster Index
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Q1. Demonstrate Function Overriding.
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Function Overriding is a concept in object-oriented programming where a subclass provides a specific implementation of a method that is already provided by its parent class.
• In Function Overriding, a subclass can provide a specific implementation of a method that is already defined in its parent class.

• The method in the subclass must have the same name, return type, and parameters as the method in the parent class to ove...read more
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Q2. Linq query with order by
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Using LINQ query to order data in C#
• Use the OrderBy method to sort data in ascending order

• Use the OrderByDescending method to sort data in descending order

• You can also use ThenBy and ThenByDescending for secondary sorting
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Q3. What is Out Parameter with example
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Out parameter is used to pass data out of a method or function.
• Out parameters are used when a method needs to return multiple values.

• They are declared using the 'out' keyword in C#.

• Example: void CalculateArea(int length, int width, out int area) { area = length * width; }
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Q4. Authentication and autherization, JWT Tocken
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Q5. Reflection in C#
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Reflection in C# allows for inspecting and manipulating metadata of types at runtime.
• Reflection is used to dynamically create instances of types, access properties, and invoke methods.

• Examples include using reflection to load assemblies at runtime, inspect attributes of types, and generate code dynamically.

• Reflection can be slow and should be used judiciously due to performance overhead.
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About the networking issues

Q1. BGP OSPF ,inter Vlan routing ,IP addressing and subnetting
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Q2. Switching cisco 9k serion ,juniper,hauwai, cisco ASR
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Q1. Basic discussing about salary and current work environment
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Q1. What is Virtual LAN?
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Q2. Difference between L2 &L3 switch?
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Q1. Where are Logic App logs stored?
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Logic App logs are stored in Azure Monitor Logs (formerly known as Log Analytics).
• Logic App logs are stored in Azure Monitor Logs, which is a centralized log storage and analytics service in Azure.

• Logs can be viewed and analyzed using Azure Monitor Logs queries.

• Logs can also be integrated with other Azure services for monitoring and alerting purposes.
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Q2. How to get the 5th top position data in Sql?
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Use the OFFSET and FETCH clauses in SQL to get the 5th top position data.
• Use the ORDER BY clause to sort the data in descending order.

• Use the OFFSET clause to skip the first 4 rows.

• Use the FETCH clause to retrieve only the next row after skipping the first 4 rows.
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Q3. How do you implement custom middleware in .net core?
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Custom middleware in .NET Core can be implemented by creating a class that implements the IMiddleware interface and adding it to the application pipeline.
• Create a class that implements the IMiddleware interface

• Implement the InvokeAsync method in the middleware class to handle the request processing logic

• Add the custom middleware to the application pipeline in the Configure method of the Startup class
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Q4. Explain Authentication & Authorization in asp.net core?
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Authentication verifies the identity of a user, while authorization determines what resources a user can access.
• Authentication confirms the identity of a user through credentials like username and password.

• Authorization determines the permissions and access levels of a user based on their authenticated identity.

• In ASP.NET Core, authentication is handled through middleware like Identity, OAuth, or JWT tokens.

• Authorizati...read more
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Q5. Explain session management in asp.net core?
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Session management in ASP.NET Core involves storing and retrieving user-specific data during a user's visit to a website.
• Session data is stored on the server side by default in ASP.NET Core

• Session data can be accessed and manipulated using the HttpContext.Session property

• Session data can be configured to use different storage providers such as in-memory, distributed cache, or SQL Server

• Session data is typically used to...read more
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I would like simple test

Q1. I would like to lisen the words of company maganement .. And the process of company rules and regulations ..
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Q2. I will occupy the group of my team to secrue the entire the company to first stage
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Q3. I want to.Get a job inMahindra
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Q4. I didn't learn the computertyping but will learn definitely.. in tech Mahindr company basics
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Q5. I am a student degree first year.. ButI would like work in techMahindra..
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An aptitude is a component of a competence to do a certain kind of work at a certain level. Outstanding aptitude can be considered "talent", or "skill". Aptitude is inborn potential to perform certain kinds of activities, whether physical or mental, and whether developed or undeveloped

Coding is the process of allowing humans to speak to computers. As computers only understand binary language — a series of zeros and ones — humans need to use a programming language as a translator of sorts.

Group discussion is a discussion between a group of participants on a given subject. A group discussion typically forms a part of the selection process used by organisations and educational institutions. The candidates talk about the given topic to present facts, opinions and conclusions.

An assignment is a task that someone in authority has asked you to do. The word assignment is just the noun form of the common verb assign, which you use when you want to give someone a duty or a job. When you assign something, that something is called an assignment.

Case study is an appropriate research design when you want to gain concrete, contextual, in-depth knowledge about a specific real-world subject. It allows you to explore the key characteristics, meanings, and implications of the case. Case studies are often a good choice in a

Q1. Human resources (HR) is the division of a business responsible for finding, recruiting, screening, and training job applicants.
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Q2. Finding, recruiting, screening, and training job applicants
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Q3. Human resources (HR) is the division of a business responsible for finding, recruiting, screening, and training job applicants. HR departments also handle employee compensation, benefits, and terminations.
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Q1. Examples of more advanced technical skills that a job might require include programming languages, technical writing, or data analysis. Unlike workplace skills, also called soft skills, such as communicati...read more
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Technical skills often require specific education, such as programming languages, technical writing, or data analysis.
• Programming languages: Examples include Java, Python, C++, etc.

• Technical writing: Ability to write technical documentation, manuals, and reports.

• Data analysis: Skills in analyzing and interpreting data using tools like Excel, SQL, or R.
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Q2. Programming languages, technical writing, or data analysis
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Q1. General questions on ASP.NET, Projects
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Q2. Questions from my resume and current project
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