There is free wifi available to all students throughout the campus.
Yes ,there are computers in the self-study are as well as the computer labs for students to use. Access to the computers lab is restricted when there are classes held.
The student service officer will be able to assist you in finding the closet and most suitable medical assistance for you.
All the necessary textbooks for your course are covered in your "Materials Fees". Your teacher might recommend other suitable books that you could choose to buy for extra self-study.
Depending on the visa.
Students on a Working Holiday visa are permitted to work full-time whilst students in Australia on a Student visa (with work rights) can also work but for limited hours (currently up 20 hours per week). Please check first your working rights with the Department of Home Affairs.