Booth 3D design: usually the designer do it on 3D Max or Cinema 4D and export shots as (JPG files).
Media types: biased on booth design always there will be posters sticker, videos on Screens and gift items
Sizes: depends on the booth design & client request.
Requested design files: PDF or Image (JPG – TIFF) file for prints, (mp4 – Avi – Mov) for the videos.