C# (C Sharp) MCQs with answers Page - 16

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Q. ADO.NET is the data access component of Microsoft’s .NET framework that enables you to

  • (A) connect your Visual Basic.NET applications to your company’s local area network.
  • (B) connect your Visual Basic.NET applications to databases.
  • (C) connect your PC to the Internet.
  • (D) connect your local area network to the Internet.

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Q. ADO.NET was created for

  • (A) Multiple users.
  • (B) Single users.
  • (C) Home network users.
  • (D) Limited users.

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Q. Which of the following statements characterizes the relationship between a Visual Basic.NET program and a database record?

  • (A) They are connected.
  • (B) External databases cannot be accessed by Visual Basic.NET
  • (C) They are connected as long as the program is running.
  • (D) They are not connected.

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Q. A copy of a database is called a

  • (A) Duplicate database.
  • (B) Dataset.
  • (C) Table.
  • (D) Database copy.

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Q. When is the dataset connected to the database?

  • (A) Whenever the program makes changes to a field or record
  • (B) They are always connected
  • (C) They are always disconnected
  • (D) Whenever the program is running

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Q. The connection to the database is established by

  • (A) Using a local area network.
  • (B) Installing a special software package.
  • (C) Using managed providers.
  • (D) Using a wide area network.

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Q. The ADO.NET disconnected dataset

  • (A) Provides a flexible way of working with database records.
  • (B) Makes working with databases very complex.
  • (C) Requires a large amount of memory space.
  • (D) Is required when single users want to access a database.

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Q. XML provides a(n)

  • (A) Difficult format for data storage.
  • (B) Numeric based code for data storage.
  • (C) Consistent format for data across applications, networks, and the Internet.
  • (D) Limited format for data storage.

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Q. Why does Visual Studio.NET use XML as a data storage technology?

  • (A) XML works best for the single PC user.
  • (B) XML restricts the number of applications that can interface with Visual Basic.NET.
  • (C) XML is optimized for sharing data across the Internet.
  • (D) XML is easier to understand than Visual Basic.NET.

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Q. Choose the correct statements about the LINQ?

  • (A) The main concept behind the linq is query
  • (B) linq make use of for loop to execute the query
  • (C) It is not required that linq should make use of IEnumerable interface
  • (D) None of the mentioned

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