Question: You are working with subproject files (the master project file is not open) and have saved the changes you made. What happens to the master project when it is opened?

1. The master project will not reflect any changes until the subproject files ate opened as well.
2. The master project will display an error.
3. The master project will display message stating that changes were made and the subproject files must be opened first.
4. The master project will reflect the changes made to the subproject files.

Answer: The correct answer of the above question is Option D:The master project will reflect the changes made to the subproject files.