IDS Infotech Dot Net Fullstack Developer Interview Questions and Answers

Q1. What is Middleware?
Ans. 
Middleware is software that acts as a bridge between an application's front end and back end, allowing them to communicate and interact.
• Middleware can handle tasks such as authentication, logging, error handling, and routing.

• It can be used to modify incoming requests or outgoing responses.

• Examples of middleware include Express.js middleware in Node.js applications and ASP.NET middleware in .NET applications.
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Q2. What is Dependency Injection ?
Ans. 
Dependency Injection is a design pattern where components are given their dependencies rather than creating them internally.
• Allows for better code reusability and testability

• Reduces coupling between components

• Promotes separation of concerns

• Examples: Constructor Injection, Setter Injection, Interface Injection
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Q3. What is Solid Principles ?
Ans. 
Solid Principles are a set of five design principles for writing clean, maintainable, and scalable code.
• Single Responsibility Principle: A class should have only one reason to change.

• Open/Closed Principle: Classes should be open for extension but closed for modification.

• Liskov Substitution Principle: Objects of a superclass should be replaceable with objects of its subclasses without affecting the program's correctness...read more
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Q1. Redis cache and distributed cache
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Q2. CORS , Trigger, OOPS , Queries
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Basic level of maths and some coding related questions

On current affairs and daily routine

Two basic questions related to pattern string array etc

Q1. This is final step and would be conducted in their office itself
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Q2. It will include some oops questions bond discussion and questions on Resume
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Q1. What is .Net Core ?
Ans. 
.Net Core is a free, open-source, cross-platform framework for building modern, cloud-based, internet-connected applications.
• Developed by Microsoft as the successor to the .NET Framework

• Supports multiple operating systems like Windows, macOS, and Linux

• Provides high performance and scalability for web applications

• Includes a modular and lightweight runtime called CoreCLR

• Allows developers to use C#, F#, and Visual Basic
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Q2. What is benefit of Microservices ?
Ans. 
Microservices offer benefits such as scalability, flexibility, and easier maintenance.
• Scalability: Microservices allow for individual components to be scaled independently, leading to better resource utilization.

• Flexibility: Each microservice can be developed, deployed, and updated independently, allowing for more flexibility in the development process.

• Easier maintenance: With microservices, it is easier to identify an...read more
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Q3. What is ViewBag and ViewData ?
Ans. 
ViewBag and ViewData are used in ASP.NET MVC to pass data from controller to view.
• ViewBag is a dynamic property that allows you to pass data from controller to view.

• ViewData is a dictionary object that allows you to pass data from controller to view.

• ViewBag is a dynamic object while ViewData is a dictionary object.

• Example: ViewBag.Title = 'Home Page'; ViewData['Message'] = 'Welcome to my website';
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Q4. What is CORS ?
Ans. 
CORS stands for Cross-Origin Resource Sharing, a security feature that allows servers to specify who can access their resources.
• CORS is a security feature implemented by browsers to prevent unauthorized access to resources on a different origin.

• It allows servers to specify which origins are allowed to access their resources through HTTP headers.

• CORS is commonly used to enable cross-origin requests in web applications, ...read more
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Q5. Explain JWT in Brief.
Ans. 
JWT is a compact, self-contained way to securely transmit information between parties as a JSON object.
• JWT stands for JSON Web Token.

• It consists of three parts: header, payload, and signature.

• It is commonly used for authentication and information exchange in web development.

• Example: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf3
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Q1. What is Middleware?
Ans. 
Middleware is software that acts as a bridge between an application's front end and back end, allowing them to communicate and interact.
• Middleware can handle tasks such as authentication, logging, error handling, and routing.

• It can be used to modify incoming requests or outgoing responses.

• Examples of middleware include Express.js middleware in Node.js applications and ASP.NET middleware in .NET applications.
Answered by AI
Add your answer
Q2. What is Dependency Injection ?
Ans. 
Dependency Injection is a design pattern where components are given their dependencies rather than creating them internally.
• Allows for better code reusability and testability

• Reduces coupling between components

• Promotes separation of concerns

• Examples: Constructor Injection, Setter Injection, Interface Injection
Answered by AI
Add your answer
Q3. What is Solid Principles ?
Ans. 
Solid Principles are a set of five design principles for writing clean, maintainable, and scalable code.
• Single Responsibility Principle: A class should have only one reason to change.

• Open/Closed Principle: Classes should be open for extension but closed for modification.

• Liskov Substitution Principle: Objects of a superclass should be replaceable with objects of its subclasses without affecting the program's correctness...read more
Answered by AI
Add your answer

Q1. Redis cache and distributed cache
Add your answer
Q2. CORS , Trigger, OOPS , Queries
Add your answer

Q1. Middleware in nodejs and uses
Ans. 
Middleware in Node.js is a function that has access to the request and response objects, and can modify or terminate the request-response cycle.
• Middleware functions are executed sequentially in the order they are defined.

• They can be used for tasks such as logging, authentication, error handling, etc.

• Example: Express.js uses middleware extensively for handling requests.
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Basic level of maths and some coding related questions

On current affairs and daily routine

Two basic questions related to pattern string array etc

Q1. This is final step and would be conducted in their office itself
Add your answer
Q2. It will include some oops questions bond discussion and questions on Resume
Add your answer