PAN
connections from within a few feet (printers, mouse)
LAN
collection of computers in a building
WAN
connections across long distances
Bus
machines connected to a main communication line - the bus
Star
single machine serving as a central point of connection
Ring
connections directly from one machine to the next (in a ring)
Mesh
connects every device to every other device
repeaters
extend range of cabling types to increase strength of network signal
bridges
connect different types of network and provide management of the messages
coax cable broadcasts
baseband and broadband modes
ICAAN
ordinates the internet’s operations, awards blocks of consecutively numbered IP addresses to ISPs