To answer this question, you need to understand how to run other applications or batch files from VB.Net.
Option A) System.Diagnostics.Process - This option is correct because the System.Diagnostics.Process class in VB.Net provides functionality to start other applications or batch files. You can use the Start method of the Process class to run an executable file or a batch file.
Option B) System.App.Run - This option is incorrect because there is no System.App.Run class or method in VB.Net.
Option C) System.Diagnostics.Run - This option is incorrect because there is no System.Diagnostics.Run class or method in VB.Net.
Option D) System.Fileapp.Execute - This option is incorrect because there is no System.Fileapp.Execute class or method in VB.Net.
The correct answer is A) System.Diagnostics.Process. This option is correct because the Process class in VB.Net can be used to run other applications or batch files.