.NET Programming MCQs with answers Page - 44

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Q. Which statement is true about interfaces?

  • (A) Interfaces can have fields
  • (B) Interfaces support multiple inheritance
  • (C) Interfaces contain implementation
  • (D) Interfaces can be sealed

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Q. Which collection follows FIFO order?

  • (A) Stack
  • (B) Queue
  • (C) List
  • (D) Dictionary

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Q. Which collection follows LIFO order?

  • (A) Queue
  • (B) List
  • (C) Stack
  • (D) Hashtable

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Q. Which keyword is used to call parent class constructor?

  • (A) parent
  • (B) this
  • (C) base
  • (D) super

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Q. Which type of exception is checked at compile time?

  • (A) Runtime exception
  • (B) System exception
  • (C) Checked exception
  • (D) None

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Q. What is the default value of an int variable?

  • (A) null
  • (B) 0
  • (C) undefined
  • (D) 1

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Q. What is the purpose of the finally block?

  • (A) To handle exceptions
  • (B) To execute code only if exception occurs
  • (C) To execute code regardless of exception
  • (D) To throw exception

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Q. Which keyword is used to create a constant?

  • (A) readonly
  • (B) static
  • (C) const
  • (D) fixed

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Q. Which method converts string to integer?

  • (A) Convert.ToInt32()
  • (B) ParseInt()
  • (C) ToInteger()
  • (D) StringToInt()

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Q. Which .NET feature allows querying collections easily?

  • (A) WCF
  • (B) ADO.NET
  • (C) LINQ
  • (D) CLR

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