Which situation describes data transmissions over a WAN connection?
A network administrator in the office remotely accesses a web server that is located in the data center at the edge of the campus.
A manager sends an email to all employees in the department with offices that are located in several buildings.
An employee prints a file through a networked printer that is located in another building.
An employee shares a database file with a co-worker who is located in a branch office on the other side of the city.