Client Server Network ... is the central computer that enables authorized users to access networked resources ... computers in this type of network are connected to a central hub ... why might a business choose a server based network (3) ... 2) easier to expand ... external hardware connected to and controlled by a computer.
It would be hard to tell if you were being monitored by a network monitoring software, however, you could use a VPN to avoid it. Whenever on a public network you should never use passwords and sign in to things like your online banking.