Jacob enters his building using an ID card and has to sign in with the guard at the front desk. Once he gets to his desk, he logs in to his company$$s intranet using a username and password that only he knows. While at a meeting in a client$$s office, Jacob accesses the company intranet via his smartphone so that he can verify certain information in his company e$-$mail system. His access to his e$-$mail through his smartphone is an example of

Select answer from the options below

access control.

physical control.

information control.

communications control.