MCQs on Cross-Platform Development with .NET Core | C#
Cross-platform development with .NET Core enables developers to build applications that run on multiple platforms like Windows, Linux, and macOS. This chapter covers .NET Core’s features, cross-platform C# development, and deploying applications across different operating systems. Below are 30 multiple-choice questions (MCQs) on .NET Core, cross-platform development, and deployment processes.
1. Overview of .NET Core and .NET 5+
- What is .NET Core primarily designed for?
- A) Windows-only development
- B) Cross-platform development
- C) Mobile app development
- D) Cloud computing
- What is the key difference between .NET Core and the .NET Framework?
- A) .NET Core is open-source and cross-platform
- B) .NET Core is only for web applications
- C) .NET Core is not supported on Windows
- D) .NET Framework supports macOS
- Which of the following is a feature of .NET 5+?
- A) It is platform-specific
- B) It combines .NET Core and .NET Framework
- C) It only supports Windows
- D) It requires separate runtime installations for each platform
- Which version of .NET Core introduced significant cross-platform capabilities?
- A) .NET Core 1.0
- B) .NET Core 2.0
- C) .NET Core 3.0
- D) .NET Core 5.0
- Which programming language can be used to develop applications in .NET Core?
- A) Python
- B) C#
- C) JavaScript
- D) Java
- What is the purpose of the .NET SDK (Software Development Kit)?
- A) To provide a runtime environment
- B) To enable the compilation and execution of .NET applications
- C) To provide cloud services
- D) To manage databases
- How do developers install .NET Core on different platforms?
- A) Through a package manager or installer for each OS
- B) By downloading .NET Core from the Windows Store
- C) By using Visual Studio only
- D) It is pre-installed with macOS and Linux
- Which .NET Core version brought support for ARM-based processors?
- A) .NET Core 1.0
- B) .NET Core 2.0
- C) .NET Core 3.0
- D) .NET 5.0
- Which feature of .NET Core allows it to run on various operating systems?
- A) .NET Core runtime
- B) .NET Core’s native support for hardware
- C) Cross-platform libraries
- D) Web assembly
- What is one of the main benefits of using .NET 5+ over earlier versions of .NET Core?
- A) It is no longer open-source
- B) It has improved compatibility across different platforms
- C) It is exclusive to Windows
- D) It no longer supports mobile development
2. Cross-Platform Development with C#
- Which of the following is the main language used for cross-platform development in .NET Core?
- A) C#
- B) JavaScript
- C) Python
- D) Java
- Which cross-platform frameworks can be used with .NET Core for mobile development?
- A) Xamarin
- B) Angular
- C) React Native
- D) Flutter
- How can C# code be executed on Linux and macOS using .NET Core?
- A) By using a virtual machine
- B) By installing the .NET Core runtime
- C) By using Wine to run Windows applications
- D) By converting the code into shell scripts
- What is the primary benefit of using .NET Core for cross-platform development?
- A) Compatibility with only Windows
- B) Ability to write platform-specific code
- C) Single codebase that can run on multiple platforms
- D) Reduced development time for mobile applications
- Which of the following tools helps in developing cross-platform applications in C#?
- A) Visual Studio Code
- B) Sublime Text
- C) Notepad++
- D) Eclipse
- Which of the following allows .NET Core applications to run on macOS, Linux, and Windows?
- A) Xamarin
- B) .NET Core runtime
- C) C# scripting
- D) Docker containers
- What command is used to create a new .NET Core project from the terminal?
- A) dotnet new
- B) create project
- C) new .net
- D) build project
- Which of the following is an example of a cross-platform .NET Core app type?
- A) Console applications
- B) Web applications with ASP.NET Core
- C) Desktop applications with WPF
- D) Both A and B
- What feature of .NET Core ensures that a C# application works on both Windows and Linux?
- A) Platform-dependent libraries
- B) Platform-agnostic APIs
- C) Visual Studio integration
- D) Only third-party packages
- How does .NET Core achieve platform independence?
- A) By using the Mono runtime
- B) By compiling C# code into platform-specific executables
- C) By using a common runtime and class libraries
- D) By translating C# into Java bytecode
3. Building Console, Web, and Mobile Apps with .NET Core
- Which project type is commonly used to build web applications in .NET Core?
- A) Console application
- B) ASP.NET Core Web Application
- C) Windows Forms Application
- D) Mobile App
- Which of the following can be developed using .NET Core?
- A) Console applications
- B) Web applications
- C) Mobile applications
- D) All of the above
- Which command is used to publish a .NET Core web application for deployment?
- A) dotnet publish
- B) dotnet deploy
- C) dotnet build
- D) dotnet run
- What is the role of the ASP.NET Core framework in building web applications with .NET Core?
- A) It provides tools for building scalable web services and APIs
- B) It is used only for client-side scripting
- C) It allows running server-side logic in browsers
- D) It is only for building mobile applications
- Which mobile framework is integrated with .NET Core for cross-platform mobile development?
- A) Xamarin
- B) React Native
- C) Ionic
- D) PhoneGap
- How do you create a console application in .NET Core?
- A) Using
dotnet create console - B) Using
dotnet new console - C) Using Visual Studio only
- D) Using
dotnet console
- Which component of .NET Core allows for building APIs for mobile and web applications?
- A) ASP.NET Core Web API
- B) Xamarin
- C) Blazor
- D) WPF
- Which of the following is NOT a supported platform for .NET Core applications?
- A) macOS
- B) Linux
- C) Android
- D) iOS
- What is the primary benefit of building web applications with ASP.NET Core in .NET Core?
- A) It only works with Windows-based servers
- B) It allows easy integration with legacy .NET Framework apps
- C) It supports cloud-native, cross-platform applications
- D) It is primarily for desktop applications
- Which of the following tools helps you to run and test your .NET Core applications during development?
- A) .NET CLI
- B) Visual Studio
- C) Visual Studio Code
- D) All of the above
Answers
| Qno | Answer |
|---|---|
| 1 | B) Cross-platform development |
| 2 | A) .NET Core is open-source and cross-platform |
| 3 | B) It combines .NET Core and .NET Framework |
| 4 | C) .NET Core 3.0 |
| 5 | B) C# |
| 6 | B) To enable the compilation and execution of .NET applications |
| 7 | A) Through a package manager or installer for each OS |
| 8 | D) .NET 5.0 |
| 9 | C) Cross-platform libraries |
| 10 | B) It has improved compatibility across different platforms |
| 11 | A) C# |
| 12 | A) Xamarin |
| 13 | B) By installing the .NET Core runtime |
| 14 | C) Single codebase that can run on multiple platforms |
| 15 | A) Visual Studio Code |
| 16 | B) .NET Core runtime |
| 17 | A) dotnet new |
| 18 | D) Both A and B |
| 19 | B) Platform-agnostic APIs |
| 20 | C) By using a common runtime and class libraries |
| 21 | B) ASP.NET Core Web Application |
| 22 | D) All of the above |
| 23 | A) dotnet publish |
| 24 | A) It provides tools for building scalable web services and APIs |
| 25 | A) Xamarin |
| 26 | B) Using dotnet new console |
| 27 | A) ASP.NET Core Web API |
| 28 | C) Android |
| 29 | C) It supports cloud-native, cross-platform applications |
| 30 | D) All of the above |