A small company in Des Moines wants to set up an IT infrastructure for its workforce. The company recently moved to an older building that has solid walls and ceilings. Furthermore, most of the staff likes the flexibility of moving around the open office space to perform work on their laptops. Which communication infrastructure makes most sense for this company?

Mainframe

Web$-$services

Peer$-$to$-$peer

Wireless

Server$-$to$-$serv