.NET Mastery: The .NET Interview Questions and Answers by Unknown

Author:Unknown
Language: eng
Format: epub
ISBN: 0000000000000
Published: 2024-04-05T00:00:00+00:00

Chapter 11. .NET Common Questions and Answers.

What is .NET?

.NET is a free, open-source developer platform for building different types of applications, including web, desktop, mobile, cloud, and IoT applications. It provides a consistent programming model and extensive class library, allowing developers to build applications using multiple languages such as C#, VB.NET, and F#.

What is the Common Language Runtime (CLR)?

The Common Language Runtime (CLR) is the virtual machine component of the .NET framework responsible for executing managed code. It provides services such as memory management, exception handling, garbage collection, and security enforcement to ensure that managed applications run reliably and securely.

What are the key features of C#?

Some key features of C# include:

Object-oriented programming support

Automatic memory management through garbage collection

Type safety and strong typing

Language interoperability with other .NET languages

Support for asynchronous programming with async/await

LINQ (Language Integrated Query) for querying data collections

Delegates and events for event-driven programming

What is ASP.NET?

ASP.NET is a web application framework developed by Microsoft for building dynamic web applications and web services. It provides a programming model, infrastructure, and various components for creating web applications using different technologies such as Web Forms, MVC (Model-View-Controller), and Web API.

What is the difference between ASP.NET Web Forms and ASP.NET MVC?

ASP.NET Web Forms is a traditional event-driven programming model for building web applications, where the UI and code-behind logic are tightly coupled. ASP.NET MVC, on the other hand, follows the Model-View-Controller pattern, separating the application into three components: the model (data), the view (UI), and the controller (logic). MVC offers more control over the HTML markup and enables cleaner, testable code compared to Web Forms.

What is Entity Framework?

Entity Framework (EF) is an object-relational mapping (ORM) framework provided by Microsoft for .NET applications. It allows developers to work with relational databases using .NET objects, eliminating the need for writing raw SQL queries. EF provides a set of APIs for performing database operations such as querying, inserting, updating, and deleting data, while abstracting away the underlying database-specific details.

What is the .NET Core?

.NET Core is an open-source, cross-platform version of the .NET framework developed by Microsoft. It is designed to run on Windows, macOS, and Linux, making it suitable for building applications that can run on a variety of platforms. .NET Core includes a subset of the full .NET framework, optimized for performance and modularity, and supports modern development scenarios such as microservices, containers, and cloud-native applications.

What is the difference between .NET Framework and .NET Core?

.NET Framework is the traditional implementation of the .NET framework, primarily targeting Windows-based applications. .NET Core, on the other hand, is a cross-platform framework designed to run on multiple operating systems. .NET Core is modular, lightweight, and optimized for modern development scenarios, while .NET Framework offers a broader set of features but is limited to Windows-based environments.

What is NuGet?

NuGet is a package manager for .NET that allows developers to easily find, install, and manage dependencies (libraries, frameworks, and tools) in their .NET projects.

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