A: Avoid them. These are usually JSON dumps of old question text. They violate copyright and contain massive errors. They will train you wrong.

A: Yes! Boson offers 20-30% discounts during major US holidays (Memorial Day, 4th of July, Black Friday). If you plan ahead, you can buy the test for ~$70. Sign up for their newsletter. Conclusion: Is Free Really Free? The search for "boson exsim tests free" is the modern equivalent of the treasure hunt. Digging through Reddit threads, torrent sites, and cracked forums often wastes more time than it saves.

But there is a catch. Boson ExSim tests are famously expensive. A single exam environment can cost $99 to $199, a steep price for students and entry-level techs.