Quiz - C# Mastery Hub

1 What does MVC stand for?

Model-View-Controller

Model-View-Component

Module-View-Controller

Model-Variable-Controller

2 What is the main difference between MVC and Razor Pages?

Razor Pages is page-focused, MVC is controller-focused

MVC is page-focused, Razor Pages is controller-focused

They are exactly the same

MVC uses C#, Razor Pages uses JavaScript

3 When should you use Razor Pages over MVC?

For complex applications with large teams

For page-focused applications and smaller projects

For building REST APIs

For all types of applications

4 What are the three components of the MVC pattern?

Model, View, Controller

Model, View, Component

Module, View, Controller

Model, Variable, Controller

5 Which approach is typically simpler for beginners?

MVC

Razor Pages

Both are equally complex

Neither is suitable for beginners

6 What is the PageModel in Razor Pages?

The HTML template

The code-behind file for a Razor Page

The database model

The CSS stylesheet

7 How do you define a custom route in Razor Pages?

Using the @page directive with a route template

Using the [Route] attribute on the PageModel

Using the MapRoute method

Using the route.config file

8 What is the default routing convention in Razor Pages?

/Pages/PageName

/PageName

The folder structure determines the URL path

Custom routes must always be defined

9 Which route constraint ensures a parameter is a valid integer?

{id:int}

{id:integer}

{id:num}

{id:number}

10 How do you access a route parameter in the PageModel?

As a property decorated with [BindProperty]

As a parameter in the OnGet method

Using the Request object

All of the above

11 What are Tag Helpers in ASP.NET Core?

Server-side components that participate in HTML rendering

Client-side JavaScript libraries

CSS frameworks

Database helpers

12 Which Tag Helper creates a link to another page?

Anchor Tag Helper (asp-page)

Link Tag Helper

Route Tag Helper

Navigation Tag Helper

13 What does the asp-for Tag Helper do?

Generates HTML based on the model property

Creates a link to a page

Validates form input

Styles HTML elements

14 What is the purpose of the asp-validation-summary Tag Helper?

Displays a summary of validation errors

Validates a single field

Styles the form

Creates a validation list

15 Can you create custom Tag Helpers in ASP.NET Core?

No, only built-in Tag Helpers are available

Yes, by inheriting from TagHelper class

Only in MVC applications

Only for form validation

16 What is model binding in ASP.NET Core?

Automatically mapping HTTP request data to C# objects

Creating database models

Styling HTML elements

Validating user input

17 Which attribute is used to bind a property to form data?

[BindProperty]

[FormData]

[RequestData]

[MapProperty]

18 What is the Post-Redirect-Get (PRG) pattern?

Redirecting to another page after a POST to prevent duplicate submissions

Getting data before posting

Posting data to multiple pages

Redirecting all POST requests

19 How do you handle form submission in Razor Pages?

Using OnPost method in the PageModel

Using OnSubmit method

Using HandlePost method

Using FormHandler attribute

20 What is the purpose of the [BindProperty] attribute?

To bind model properties to request data

To create database tables

To style HTML elements

To validate input

21 What are Data Annotations in ASP.NET Core?

Attributes used for validation and metadata

CSS classes for styling

JavaScript functions

Database migrations

22 Which attribute marks a property as required?

[Required]

[Mandatory]

[NotNull]

[Must]

23 How do you specify a custom error message for validation?

Using the ErrorMessage property of the validation attribute

Using a separate error file

Using the ModelState

Using ViewData

24 What does ModelState.IsValid check?

Whether the model passes all validation rules

Whether the model is null

Whether the database is valid

Whether the view is valid

25 Can you create custom validation attributes?

No, only built-in attributes are allowed

Yes, by inheriting from ValidationAttribute

Only for specific data types

Only in MVC applications

26 What is a Layout in Razor Pages?

A template that provides a consistent structure across pages

A database schema

A CSS file

A JavaScript file

27 What is the purpose of @RenderBody() in a Layout?

Renders the content of the current page

Renders the header

Renders the footer

Renders the navigation

28 How do you specify which Layout a page should use?

Using the Layout property in the page

Using the _ViewStart.cshtml file

Using the [Layout] attribute

Both A and B

29 What is a Partial View in Razor Pages?

A reusable UI component

A complete page

A database view

A CSS class

30 How do you include a Partial View in a Razor Page?

Using @await Html.PartialAsync()

Using @await Html.RenderPartialAsync()

Using the <partial> Tag Helper

All of the above

31 What is Dependency Injection (DI)?

A pattern where objects receive dependencies from an external source

A pattern where objects create their own dependencies

A database pattern

A UI pattern

32 Which service lifetime creates a new instance every time it's requested?

Singleton

Scoped

Transient

PerRequest

33 Which service lifetime creates one instance per HTTP request?

Singleton

Scoped

Transient

PerRequest

34 Which service lifetime creates one instance for the entire application lifetime?

Singleton

Scoped

Transient

PerRequest

35 How do you register a service in ASP.NET Core?

Using builder.Services in Program.cs

Using the [Inject] attribute

Using the Startup.cs file

Using the appsettings.json file

36 What does CRUD stand for?

Create, Read, Update, Delete

Create, Review, Update, Delete

Code, Run, Update, Deploy

Create, Read, Update, Display

37 Which method is used to add a new entity to the database in EF Core?

Add()

Insert()

Create()

Save()

38 What is the purpose of EntityState.Modified?

To mark an entity as modified for updating

To mark an entity as new

To delete an entity

To detach an entity

39 How do you delete an entity in EF Core?

Remove()

Delete()

Erase()

Drop()

40 What is the purpose of Include() in EF Core?

To load related data (eager loading)

To add a new entity

To delete an entity

To update an entity

ASP.NET Core Quiz

1 What does MVC stand for?

2 What is the main difference between MVC and Razor Pages?

3 When should you use Razor Pages over MVC?

4 What are the three components of the MVC pattern?

5 Which approach is typically simpler for beginners?

6 What is the PageModel in Razor Pages?

7 How do you define a custom route in Razor Pages?

8 What is the default routing convention in Razor Pages?

9 Which route constraint ensures a parameter is a valid integer?

10 How do you access a route parameter in the PageModel?

11 What are Tag Helpers in ASP.NET Core?

12 Which Tag Helper creates a link to another page?

13 What does the asp-for Tag Helper do?

14 What is the purpose of the asp-validation-summary Tag Helper?

15 Can you create custom Tag Helpers in ASP.NET Core?

16 What is model binding in ASP.NET Core?

17 Which attribute is used to bind a property to form data?

18 What is the Post-Redirect-Get (PRG) pattern?

19 How do you handle form submission in Razor Pages?

20 What is the purpose of the [BindProperty] attribute?

21 What are Data Annotations in ASP.NET Core?

22 Which attribute marks a property as required?

23 How do you specify a custom error message for validation?

24 What does ModelState.IsValid check?

25 Can you create custom validation attributes?

26 What is a Layout in Razor Pages?

27 What is the purpose of @RenderBody() in a Layout?

28 How do you specify which Layout a page should use?

29 What is a Partial View in Razor Pages?

30 How do you include a Partial View in a Razor Page?

31 What is Dependency Injection (DI)?

32 Which service lifetime creates a new instance every time it's requested?

33 Which service lifetime creates one instance per HTTP request?

34 Which service lifetime creates one instance for the entire application lifetime?

35 How do you register a service in ASP.NET Core?

36 What does CRUD stand for?

37 Which method is used to add a new entity to the database in EF Core?

38 What is the purpose of EntityState.Modified?

39 How do you delete an entity in EF Core?

40 What is the purpose of Include() in EF Core?