Joe, an employee, wants to show his colleagues how much he knows about smartphones. Joe demonstrates a free movie application that he installed from a third party on his corporate smartphone. Joe’s colleagues were unable to find the application in the app stores. Which of the following allowed Joe to install the application? (Select two.)
A . Near-field communication.
B . Rooting/jailbreaking
C . Ad-hoc connections
D . Tethering
E . Sideloading
Answer: A,B