What is the primary purpose of ASP.NET in web development?

The correct answer is A: A server-side framework for building dynamic web applications. ASP.NET is a server-side web application framework developed by Microsoft for building dynamic, interactive web applications.

What will happen if you try to override a non-virtual method in a derived class in C#?

The correct answer is B: The method will be hidden using the 'new' keyword implicitly. In C#, if you attempt to override a non-virtual method without using 'new' keyword, the compiler issues a warning but the method is hidden (not overridden). Using 'new' keyword explicitly hides the base method.

Which of the following represents proper use of constructor chaining in C#?

The correct answer is B: class Child { Child(int x) : this() { } }. Constructor chaining uses 'this()' to call another constructor in the same class. Option B shows proper syntax for calling a parameterless constructor.

What is the purpose of the 'abstract' keyword in C#?

The correct answer is B: To create a class that cannot be instantiated directly. 'abstract' keyword creates a class that serves as a blueprint for derived classes and cannot be instantiated directly. Abstract classes can contain abstract methods that must be implemented by derived classes.

Which of the following demonstrates proper encapsulation in C#?

The correct answer is B: private int age; public int Age { get; set; }. Proper encapsulation uses private fields with public properties, providing controlled access and allowing for future validation logic.

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ASP.NET Basics

C# and .NET for campus placement

19 Q 4 Topics Take Mock Test

Difficulty: All Easy Medium Hard 1–10 of 19

Topics in C# Programming

All Basics & Syntax 100 OOP in C# 100 Collections 71 ASP.NET Basics 19

Q.1 Hard ASP.NET Basics

A developer needs to create a RESTful API that returns JSON data. Which ASP.NET approach is most suitable?

A ASP.NET Core Web API with [ApiController]

B ASP.NET Web Forms with controls

C Classic ASP with VBScript

D ASP.NET MVC Views only

Correct Answer: A. ASP.NET Core Web API with [ApiController]

EXPLANATION

ASP.NET Core Web API with [ApiController] attribute is the modern approach for building RESTful APIs that return JSON.

Test

Q.2 Easy ASP.NET Basics

What does MVC stand for in ASP.NET MVC?

A Model-View-Controller

B Module-Virtual-Component

C Multi-View-Cache

D Main-Variable-Class

Correct Answer: A. Model-View-Controller

EXPLANATION

MVC (Model-View-Controller) is an architectural pattern separating data (Model), presentation (View), and business logic (Controller).

Test

Q.3 Hard ASP.NET Basics

In ASP.NET Core, which method is used to register services in the dependency injection container?

A services.AddScoped(), services.AddSingleton(), services.AddTransient()

B services.Register()

C services.Inject()

D services.Configure()

Correct Answer: A. services.AddScoped(), services.AddSingleton(), services.AddTransient()

EXPLANATION

AddScoped, AddSingleton, and AddTransient are methods to register services with different lifetimes in ASP.NET Core DI.

Test

Q.4 Medium ASP.NET Basics

What is Entity Framework in ASP.NET context?

A An ORM (Object-Relational Mapping) tool for database operations

B A JavaScript framework

C A security framework

D A caching mechanism

Correct Answer: A. An ORM (Object-Relational Mapping) tool for database operations

EXPLANATION

Entity Framework is Microsoft's ORM that allows developers to work with databases using .NET objects instead of raw SQL.

Test

Q.5 Hard ASP.NET Basics

An e-commerce application needs to handle concurrent user requests efficiently. Which ASP.NET Core feature is most suitable?

A Async/Await with Task-based operations

B Synchronous request processing

C Single-threaded execution

D Blocking I/O operations

Correct Answer: A. Async/Await with Task-based operations

EXPLANATION

Async/Await enables non-blocking I/O operations, allowing ASP.NET Core to handle more concurrent requests efficiently.

Test

Q.6 Easy ASP.NET Basics

In ASP.NET Core, what is the purpose of the appsettings.json file?

A To store application configuration settings

B To define database schema

C To configure IIS settings

D To manage user authentication only

Correct Answer: A. To store application configuration settings

EXPLANATION

appsettings.json stores application configuration like connection strings, logging levels, and custom settings.

Test

Q.7 Hard ASP.NET Basics

What is the correct order of Page Lifecycle events in ASP.NET Web Forms?

A Init → Load → EventHandling → Render → Unload

B Load → Init → EventHandling → Render → Unload

C Init → Load → Render → EventHandling → Unload

D Load → Init → Render → EventHandling → Unload

Correct Answer: A. Init → Load → EventHandling → Render → Unload

EXPLANATION

ASP.NET Web Forms lifecycle: Init → Load → Event Handling (ViewState restored) → Render → Unload.

Test

Q.8 Hard ASP.NET Basics

A web application needs to store a user preference that persists across multiple browser sessions. Which state management technique is most appropriate?

A Database with user ID

B ViewState

C Session State

D Application State

Correct Answer: A. Database with user ID

EXPLANATION

For persistent data across multiple sessions, database storage is the best approach. Session State is temporary and Application State is server-wide.

Test

Q.9 Medium ASP.NET Basics

Which of the following methods is used to pass data from Controller to View in ASP.NET MVC?

A ViewBag and ViewData

B Session State only

C Query strings only

D Cookies only

Correct Answer: A. ViewBag and ViewData

EXPLANATION

ViewBag (dynamic) and ViewData (dictionary) are common ways to pass data from Controller to View in ASP.NET MVC.

Test

Q.10 Medium ASP.NET Basics

What is the purpose of the [ValidateAntiForgeryToken] attribute in ASP.NET MVC?

A To prevent Cross-Site Request Forgery attacks

B To validate user input format

C To encrypt form data

D To authenticate user sessions

Correct Answer: A. To prevent Cross-Site Request Forgery attacks

EXPLANATION

[ValidateAntiForgeryToken] verifies that form submissions come from your application, preventing CSRF attacks.

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