Vist visa UAE for GITEX GLobal

I'm going to apply visit visa to attend GITEX global, I want to apply by myself from gdrfad, which option should I select Exploring Business / Job search. for now I selected the Exploring Business.
my next question is in contact details, there is also asking about Address Inside UAE for future contacting. which address should i gave here.
And in document they are also asking about the Sponsored Passport page 1  , what i need to submit my sponsor here. if i'm going to self sponsored trip.