ASP.Net Core Quiz – Multiple Choice Questions and Answers

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ASP.Net Core Quiz – Multiple Choice Questions and Answers: Are you searching for ASP.Net Core Quiz? If yes, then here you go..!!! Our freshers now the team have made efforts and collected all the List of essential ASP.Net Core Questions and Answers from experts. So, all the students can easily practice the ASP.Net Core Multiple Choice Questions which are provided in the below sections. These ASP.Net Core Questions and Answers will help you to assess ASP.NET Core concepts. After the ASP.Net Core Quiz completion, you will get the score instantly with grades. So, make a move and exercise the frequently asked ASP.Net Core MCQ Quiz.

ASP.Net Core Quiz – Multiple Choice Questions and Answers

Exercise Top ASP.Net Core Multiple Choice Questions and Answers

What is ASP.NET Core?
a) A server-side web application framework
b) A client-side web application framework
c) A mobile application development framework
d) An operating system
Answer: a) A server-side web application framework

Explanation: ASP.NET Core is a cross-platform, open-source, server-side web application framework used to build modern web applications. It is designed to work on different platforms, including Windows, Linux, and macOS.

What is the default port number used by ASP.NET Core applications?
a) 80
b) 443
c) 5000
d) 8080
Answer: c) 5000

Explanation: ASP.NET Core applications run by default on port number 5000. However, this can be changed to a different port number if needed.

What is the difference between ASP.NET Core and ASP.NET?
a) ASP.NET Core is a complete rewrite of ASP.NET
b) ASP.NET Core is only for Linux and macOS platforms
c) ASP.NET Core is not backward compatible with ASP.NET
d) ASP.NET Core has more features than ASP.NET
Answer: a) ASP.NET Core is a complete rewrite of ASP.NET

Explanation: ASP.NET Core is a complete rewrite of the ASP.NET framework, with a modular and lightweight architecture. It is designed to work on different platforms and is not limited to Windows like ASP.NET.

What is Middleware in ASP.NET Core?
a) A software component that handles HTTP requests and responses
b) A tool used for testing ASP.NET Core applications
c) A database used to store user data
d) An API used for communicating between server and client
Answer: a) A software component that handles HTTP requests and responses

Explanation: Middleware is a software component in ASP.NET Core that handles HTTP requests and responses. It is a pipeline of components that can be added or removed to customize the application’s behavior.

What is Dependency Injection (DI) in ASP.NET Core?
a) A technique for creating database tables
b) A design pattern for writing scalable and maintainable code
c) A mechanism for configuring the application’s routing
d) A tool for unit testing ASP.NET Core applications
Answer: b) A design pattern for writing scalable and maintainable code

Explanation: Dependency Injection (DI) is a design pattern in ASP.NET Core used for writing scalable and maintainable code. It enables the separation of concerns and makes the code easier to test and maintain.

What is the role of Controllers in ASP.NET Core?
a) To handle HTTP requests and return responses
b) To configure the application’s routing
c) To store and retrieve data from a database
d) To handle authentication and authorization
Answer: a) To handle HTTP requests and return responses

Explanation: Controllers in ASP.NET Core are responsible for handling HTTP requests and returning responses. They act as a bridge between the user and the application’s business logic.

What is the role of Views in ASP.NET Core?
a) To handle HTTP requests and return responses
b) To configure the application’s routing
c) To store and retrieve data from a database
d) To generate HTML responses to be sent to the client
Answer: d) To generate HTML responses to be sent to the client

Explanation: Views in ASP.NET Core are responsible for generating HTML responses to be sent to the client. They are the presentation layer of the application and are responsible for rendering data to the user.

What is Razor in ASP.NET Core?
a) A markup language used for creating views in ASP.NET Core
b) A programming language used for writing business logic in ASP.NET Core
c) A database engine used for storing data in ASP.NET Core
d) A tool for unit testing ASP.NET Core applications
Answer: a) A markup language used for creating views in ASP.NET Core

Explanation: Razor is a markup language used for creating views in ASP.NET Core. It allows developers to mix HTML and C# code to create dynamic views. Razor also supports tag helpers, which simplify the process of creating HTML elements with complex attributes.

What is Entity Framework Core in ASP.NET Core?
a) A tool for managing database migrations in ASP.NET Core
b) An ORM (Object-Relational Mapping) tool used for database access
c) A middleware for handling HTTP requests and responses
d) A tool for creating RESTful APIs in ASP.NET Core
Answer: b) An ORM (Object-Relational Mapping) tool used for database access

Explanation: Entity Framework Core is an ORM (Object-Relational Mapping) tool used for database access in ASP.NET Core. It enables developers to work with databases using C# code instead of SQL, which simplifies the development process and reduces the risk of errors.

What is the role of appsettings.json file in ASP.NET Core?
a) To store configuration settings for the application
b) To store user data in the application
c) To store routing information for the application
d) To store HTML templates for the application
Answer: a) To store configuration settings for the application

Explanation: The appsettings.json file in ASP.NET Core is used to store configuration settings for the application. It includes settings related to the database connection, logging, and other aspects of the application’s behavior.

What is the purpose of the Startup.cs file in ASP.NET Core?
a) To configure the application’s services and middleware
b) To define the application’s database schema
c) To handle HTTP requests and return responses
d) To generate HTML responses to be sent to the client
Answer: a) To configure the application’s services and middleware

Explanation: The Startup.cs file in ASP.NET Core is used to configure the application’s services and middleware. It includes the ConfigureServices and Configure methods, which are used to configure the application’s services and middleware, respectively.

What is the difference between IApplicationBuilder and IWebHostBuilder in ASP.NET Core?
a) IApplicationBuilder is used to configure services, while IWebHostBuilder is used to configure middleware
b) IApplicationBuilder is used to configure middleware, while IWebHostBuilder is used to configure services
c) IApplicationBuilder is used to handle HTTP requests, while IWebHostBuilder is used to handle database connections
d) IApplicationBuilder and IWebHostBuilder are used interchangeably in ASP.NET Core
Answer: b) IApplicationBuilder is used to configure middleware, while IWebHostBuilder is used to configure services

Explanation: IApplicationBuilder is used to configure middleware, while IWebHostBuilder is used to configure services. The IWebHostBuilder is used to build and configure the application’s host, while the IApplicationBuilder is used to build and configure the application’s request pipeline.

What is the difference between TempData and ViewBag in ASP.NET Core?
a) TempData is used to store data across requests, while ViewBag is used to pass data between the controller and the view
b) ViewBag is used to store data across requests, while TempData is used to pass data between the controller and the view
c) TempData and ViewBag are used interchangeably in ASP.NET Core
d) TempData is used for client-side caching, while ViewBag is used for server-side caching
Answer: a) TempData is used to store data across requests, while ViewBag is used to pass data between the controller and the view

Explanation: TempData is used to store data across requests, while ViewBag is used to pass data between the controller and the view. TempData is used to store data that will be used in the next request, while ViewBag is used to pass data from the controller to the view for rendering.

What is the purpose of the [AllowAnonymous] attribute in ASP.NET Core?
a) To allow anonymous access to a controller or action
b) To restrict access to a controller or action to authorized users only
c) To enable caching for a controller or action
d) To specify the HTTP verb that a controller or action responds to
Answer: a) To allow anonymous access to a controller or action

Explanation: The [AllowAnonymous] attribute in ASP.NET Core is used to allow anonymous access to a controller or action. It overrides any authorization policies that may be in place and allows unauthenticated users to access the resource.

What is the purpose of the [Authorize] attribute in ASP.NET Core?
a) To allow anonymous access to a controller or action
b) To restrict access to a controller or action to authorized users only
c) To enable caching for a controller or action
d) To specify the HTTP verb that a controller or action responds to
Answer: b) To restrict access to a controller or action to authorized users only

Explanation: The [Authorize] attribute in ASP.NET Core is used to restrict access to a controller or action to authorized users only. It can be used with different authentication schemes to enforce different authorization policies based on the user’s identity and roles.

What is the purpose of the [Route] attribute in ASP.NET Core?
a) To specify the HTTP verb that a controller or action responds to
b) To specify the URL path for a controller or action
c) To enable caching for a controller or action
d) To restrict access to a controller or action to authorized users only
Answer: b) To specify the URL path for a controller or action

Explanation: The [Route] attribute in ASP.NET Core is used to specify the URL path for a controller or action. It allows developers to define custom URL paths that map to specific controller actions.

What is the purpose of the [HttpGet], [HttpPost], [HttpPut], and [HttpDelete] attributes in ASP.NET Core?
a) To specify the HTTP verb that a controller or action responds to
b) To specify the URL path for a controller or action
c) To enable caching for a controller or action
d) To restrict access to a controller or action to authorized users only
Answer: a) To specify the HTTP verb that a controller or action responds to

Explanation: The [HttpGet], [HttpPost], [HttpPut], and [HttpDelete] attributes in ASP.NET Core are used to specify the HTTP verb that a controller or action responds to. They are used to define RESTful APIs that conform to the HTTP specification.

What is the difference between synchronous and asynchronous programming in ASP.NET Core?
a) Synchronous programming blocks the calling thread until the operation completes, while asynchronous programming allows the calling thread to continue executing
b) Synchronous programming allows for better performance, while asynchronous programming is easier to implement
c) Synchronous programming is easier to debug, while asynchronous programming is more error-prone
d) Synchronous programming is used for I/O-bound operations, while asynchronous programming is used for CPU-bound operations
Answer: a) Synchronous programming blocks the calling thread until the operation completes, while asynchronous programming allows the calling thread to continue executing

Explanation: Synchronous programming blocks the calling thread until the operation completes, while asynchronous programming allows the calling thread to continue executing while the operation is being performed. Asynchronous programming is typically used for I/O-bound operations, such as accessing a database or making an HTTP request.

What is the purpose of the HttpClient class in ASP.NET Core?
a) To handle HTTP requests and responses
b) To manage database connections
c) To handle authentication and authorization
d) To generate PDF documents

Answer: a) To handle HTTP requests and responses

Explanation: The HttpClient class in ASP.NET Core is used to handle HTTP requests and responses. It provides methods to send HTTP requests and receive HTTP responses, and it supports different authentication and authorization schemes.

What is the purpose of middleware in ASP.NET Core?
a) To handle HTTP requests and responses
b) To manage database connections
c) To handle authentication and authorization
d) To perform custom logic on HTTP requests and responses
Answer: d) To perform custom logic on HTTP requests and responses

Explanation: Middleware in ASP.NET Core is used to perform custom logic on HTTP requests and responses. It is a pipeline of components that can be added or removed to customize the handling of each request and response. Middleware can perform tasks such as authentication, caching, logging, and more.