The correct answer is: A. Database Window

The Database Window is the command center of an Access file that appears when you create or open the MS Access database file. It contains the objects in the database, such as tables, queries, forms, and reports. You can use the Database Window to create, open, and delete objects, as well as to view and print data.

The other options are incorrect because:

  • The Query Window is used to create and view queries.
  • The Design View Window is used to design tables, queries, forms, and reports.
  • The Switchboard is a user interface that allows users to access different parts of a database.