The test for technician is super easy. Use the app from this site. 
the app requires no login and no network after you download the test bank last time I used it. Basically ohms law so you don't blow yourself up and a few basics about not stomping other peoples signals. You can talk around the world on a tech license with no internet and no location tracking as long as the sun cooperates.
HamStudy.org: Cutting edge amateur radio study tools
Free ham radio flash cards, practice tests, and question pools as well as introduction to ham radio and explanations for questions.
