The editing/validation of data entered at a remote site would be performed MOST effectively at
the:

A.
central processing site after running the application system.

B.
central processing site during the running of the application system.

C.
remote processing site after transmission of the data to the central processing site.

D.
remote processing site prior to transmission of the data to the central processing site.

Explanation:

It is important that the data entered from a remote site is edited and validated prior to transmission
to the central processing site.