.NET Programming MCQs with answers Page - 23

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R

Ram Sharma • 3.40K Points
Extraordinary

Q. Which .NET Core command creates a new console project?

  • (A) dotnet new mvc
  • (B) dotnet build
  • (C) dotnet new console
  • (D) dotnet run console

R

Ram Sharma • 3.40K Points
Extraordinary

Q. What does `DbSet<T>` represent in EF Core?

  • (A) A table in the database
  • (B) An in-memory collection
  • (C) A controller
  • (D) A static entity

R

Ram Sharma • 3.40K Points
Extraordinary

Q. What is `TempData` used for in ASP.NET MVC?

  • (A) Persist data between requests
  • (B) Store long-term data
  • (C) Pass data from controller to view only
  • (D) Store data across sessions

R

Ram Sharma • 3.40K Points
Extraordinary

Q. What is `ModelState.IsValid` used for?

  • (A) Validates view
  • (B) Checks user session
  • (C) Checks if the posted model satisfies validation rules
  • (D) Compares two models

R

Ram Sharma • 3.40K Points
Extraordinary

Q. What does `async` keyword indicate in C#?

  • (A) That a method returns a void
  • (B) That a method runs synchronously
  • (C) That a method is multithreaded
  • (D) That a method runs asynchronously

R

Ram Sharma • 3.40K Points
Extraordinary

Q. Which method runs a middleware component in ASP.NET Core?

  • (A) Use()
  • (B) Add()
  • (C) Inject()
  • (D) Run()

R

Ram Sharma • 3.40K Points
Extraordinary

Q. Which pattern is used for Dependency Injection in .NET Core?

  • (A) Factory Pattern
  • (B) Singleton Pattern
  • (C) Inversion of Control
  • (D) Abstract Factory

R

Ram Sharma • 3.40K Points
Extraordinary

Q. What does `dotnet restore` do?

  • (A) Builds the application
  • (B) Starts the application
  • (C) Restores project dependencies
  • (D) Deletes temp files

R

Ram Sharma • 3.40K Points
Extraordinary

Q. What does `AddDbContext` method do in .NET Core?

  • (A) Adds a new controller
  • (B) Configures routing
  • (C) Registers EF Core context with DI container
  • (D) Maps URL to View

R

Ram Sharma • 3.40K Points
Extraordinary

Q. What does the `sealed` keyword do in C#?

  • (A) Prevents class from being inherited
  • (B) Makes class abstract
  • (C) Allows method overriding
  • (D) Enables dynamic typing

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