A record's ____ field is the field whose contents make the record unique among all records in a file.

Which of the following statements is false?

a. To add a VBox to Scene Builder’s content panel, double-click VBox in the Library window’s Containers section. b. You also can copy and paste a VBox from the Containers section in the Library onto Scene Builder’s content panel. c. You also can drag-and-drop a VBox from the Containers section in the Library onto Scene Builder’s content panel. d. All of the above statements are true.

The ____ of Visual Studio 2017 contains buttons for commands that are frequently used, such as Open Project, Save, Cut, Copy, Paste, and Undo.

A. menu bar B. Standard toolbar C. Toolbox D. Properties window