.NET Programming MCQs with answers Page - 24

Here, you will find a collection of MCQ questions on .NET Programming. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Ram Sharma • 3.40K Points
Extraordinary

Q. Which C# type allows storing a null value?

  • (A) int
  • (B) bool
  • (C) int?
  • (D) float

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Ram Sharma • 3.40K Points
Extraordinary

Q. What is the purpose of `nameof()` operator in C#?

  • (A) Returns method name
  • (B) Returns string name of a variable or member
  • (C) Returns namespace name
  • (D) Returns full class path

R

Ram Sharma • 3.40K Points
Extraordinary

Q. What is the output of `true && false || true` in C#?

  • (A) true
  • (B) false
  • (C) Compilation error
  • (D) null

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Ram Sharma • 3.40K Points
Extraordinary

Q. Which of these represents a strongly-typed view in ASP.NET MVC?

  • (A) @model dynamic
  • (B) @model var
  • (C) @model string
  • (D) @inherits object

R

Ram Sharma • 3.40K Points
Extraordinary

Q. Which of the following is used for thread safety in .NET?

  • (A) static
  • (B) lock
  • (C) override
  • (D) sealed

R

Ram Sharma • 3.40K Points
Extraordinary

Q. Which LINQ method is used to sort elements in descending order?

  • (A) OrderBy
  • (B) Sort
  • (C) OrderByDescending
  • (D) Reverse

R

Ram Sharma • 3.40K Points
Extraordinary

Q. What does `Task.Run()` do in C#?

  • (A) Creates a new thread manually
  • (B) Executes code on the UI thread
  • (C) Queues work to the thread pool
  • (D) Stops execution temporarily

R

Ram Sharma • 3.40K Points
Extraordinary

Q. Which type of exception occurs when accessing an index outside an array?

  • (A) NullReferenceException
  • (B) ArgumentException
  • (C) IndexOutOfRangeException
  • (D) InvalidOperationException

R

Ram Sharma • 3.40K Points
Extraordinary

Q. What does the `var` keyword represent in C#?

  • (A) Dynamic type
  • (B) Object type
  • (C) Implicitly typed local variable
  • (D) String only

R

Ram Sharma • 3.40K Points
Extraordinary

Q. What is the function of `ModelBinder` in ASP.NET MVC?

  • (A) Bind routes
  • (B) Bind user identity
  • (C) Bind form values to model
  • (D) Bind URLs to actions

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