Sean Drifted Off While Riding the Bus Home from Work

Multiple Choice

Sean drifted off while riding the bus home from work.When he woke up,he realized his smartphone was not in his jacket pocket where he usually carries it.However,he's not certain he picked it up off his desk when he left work.What security feature would ensure that no one who might have taken it can access Sean's email while he looks for his phone?

A) Thief picture
B) Remote lockout
C) Last known location
D) Remote wipe