Tuesday, October 22, 2024

Part 1 - How to become Professional Programmer (Questions)

 To become an expert in ASP.NET Core, you need to cover a wide range of topics. Below are 15 key topics, each accompanied by 5 challenging questions to test your knowledge and deepen your understanding:

1. ASP.NET Core Basics

  1. What are the key differences between ASP.NET and ASP.NET Core?
  2. How does middleware work in the ASP.NET Core request pipeline?
  3. What is the purpose of Startup.cs in an ASP.NET Core application?
  4. How can you configure dependency injection in ASP.NET Core?
  5. Explain the role of appsettings.json and how to read configuration values from it.

2. Routing and Endpoints

  1. How does attribute routing differ from conventional routing in ASP.NET Core?
  2. How can you define custom route constraints in ASP.NET Core?
  3. What is endpoint routing, and how does it improve routing in ASP.NET Core 3.0+?
  4. How do you create and use route parameters in an MVC action method?
  5. How can you handle route-specific errors in ASP.NET Core?

3. Model Binding and Validation

  1. How does ASP.NET Core bind form data to controller action parameters?
  2. What are the different ways to perform input validation in ASP.NET Core?
  3. How can you create custom validation attributes in ASP.NET Core?
  4. Explain how you would use FluentValidation in an ASP.NET Core project.
  5. How does model binding handle complex objects and collections?

4. Dependency Injection (DI)

  1. What are the different service lifetimes (Scoped, Transient, Singleton) in ASP.NET Core DI?
  2. How would you inject a service into a middleware?
  3. Explain how you can implement multiple constructors in a class using DI.
  4. How do you handle circular dependencies in ASP.NET Core DI?
  5. What is the benefit of using IServiceProvider in ASP.NET Core?

5. Middleware

  1. How can you create a custom middleware component in ASP.NET Core?
  2. Explain the order of middleware execution in the ASP.NET Core pipeline.
  3. What are the benefits of using the built-in UseExceptionHandler middleware?
  4. How does the Run, Use, and Map methods differ in middleware configuration?
  5. How would you implement middleware to handle request logging?

6. Authentication and Authorization

  1. How does the authentication middleware work in ASP.NET Core?
  2. What are policies in ASP.NET Core Authorization, and how do they work?
  3. How can you implement JWT-based authentication in ASP.NET Core?
  4. How do role-based and claims-based authorization differ in ASP.NET Core?
  5. How do you secure specific controller actions with custom authorization logic?

7. Entity Framework Core

  1. How would you configure a DbContext in ASP.NET Core?
  2. What is the difference between DbContext.SaveChanges() and DbContext.SaveChangesAsync()?
  3. How do you handle database migrations in Entity Framework Core?
  4. Explain the role of LINQ in querying databases with Entity Framework Core.
  5. What strategies are available for handling concurrency in Entity Framework Core?

8. Logging and Monitoring

  1. How do you implement structured logging in ASP.NET Core?
  2. What is the purpose of ILogger<T>, and how do you use it in a controller or service?
  3. How can you integrate third-party logging providers (e.g., Serilog, NLog) in ASP.NET Core?
  4. How can you configure and manage log levels in ASP.NET Core?
  5. What are the key benefits of using Application Insights for monitoring in an ASP.NET Core app?

9. Web API Development

  1. What is the difference between Controller and ControllerBase in ASP.NET Core Web API?
  2. How would you implement versioning in an ASP.NET Core Web API?
  3. Explain how to handle content negotiation in an ASP.NET Core Web API.
  4. How can you implement custom exception handling in an ASP.NET Core Web API?
  5. What is HATEOAS, and how do you implement it in an ASP.NET Core Web API?

10. Performance Optimization

  1. How do you implement response caching in ASP.NET Core?
  2. What strategies can you use to minimize memory usage in an ASP.NET Core app?
  3. How do you optimize database queries in ASP.NET Core applications?
  4. Explain the purpose of Output Caching in ASP.NET Core.
  5. How would you configure and use a distributed cache (e.g., Redis) in ASP.NET Core?

11. Security

  1. How can you prevent Cross-Site Request Forgery (CSRF) in ASP.NET Core?
  2. What is HTTPS redirection, and how can you enforce HTTPS in an ASP.NET Core app?
  3. How do you handle and mitigate Cross-Site Scripting (XSS) attacks in ASP.NET Core?
  4. Explain how data protection APIs work in ASP.NET Core.
  5. What strategies can you use to secure sensitive data such as connection strings?

12. Real-Time Communication with SignalR

  1. What is SignalR, and how does it enable real-time communication in ASP.NET Core?
  2. How do SignalR hubs work, and how do clients interact with them?
  3. Explain the different transport methods used by SignalR.
  4. How can you scale out a SignalR application using Azure SignalR Service?
  5. How do you manage client connections and groups in SignalR?

13. Azure Integration

  1. How do you deploy an ASP.NET Core app to Azure App Service?
  2. What are the key features of Azure Key Vault, and how do you use it to store secrets in an ASP.NET Core app?
  3. How do you configure an ASP.NET Core app to use Azure SQL Database?
  4. How do you implement Azure AD authentication in an ASP.NET Core application?
  5. Explain how you can use Azure App Configuration in ASP.NET Core for dynamic configuration.

14. Testing and Debugging

  1. How do you implement unit testing for controllers in ASP.NET Core?
  2. What is integration testing, and how would you perform it in an ASP.NET Core app?
  3. How can you test middleware components in ASP.NET Core?
  4. Explain how you would use Mock objects in unit tests.
  5. What are the key tools for debugging and performance analysis in ASP.NET Core?

15. Globalization and Localization

  1. How do you configure localization and culture settings in ASP.NET Core?
  2. Explain the difference between resource-based and database-based localization.
  3. How can you dynamically change the language or culture in an ASP.NET Core app?
  4. How do you handle localized data validation in ASP.NET Core?
  5. How can you use different localization strategies (e.g., browser-based, query string-based) in your application?

By mastering these topics and being able to answer the corresponding questions, you'll be well on your way to becoming an expert in ASP.NET Core.

Go to Part 2 for Answers

Posted by at

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)