I have a query regarding cheating in online examination. The thing is that I appeared for an online examination conducted by a Government body. During ongoing exam, screenshots/images of the questions asked in the exam went viral on social networking websites. The commission took it into notice and cancelled the ongoing exam. Then they conducted a re-exam and again there were cases of mass cheating. There are rumors that some students attempted the exam without even going to the examination centre, some students cheated with the help of remote access. I am curious to know if it is possible. If yes, what could be the methods that were adopted in doing it?