Correct Response: A. Students must understand software end-user license agreements in order to avoid unintentional software piracy. These agreements specify exactly how the software can and cannot be used legally. B is incorrect because even personal use in students' own homes can constitute piracy. C is incorrect because peer-to-peer sites have a reputation for sharing pirated software. D is incorrect because even after receiving an upgraded software version, it is not legal to share copies of the earlier version.