

To share resources
To comunicate

Elements
2 computers
Networking imterface card
A connection medium (wire or cable normally)
Network operating system software such as windows
What?
A network is the union of two or more computers so that they are able to share
resources, files, directories, disks, programs, printers ...

Router
Hub
Switch

Hostname
IP Adress
MAC Adress
Port
DNS
TCP

Size
PAN (Personal Area Network)
LAN (Local Area Network)
MAN (Metropolitan Area Network)
WAN (Wide Area Network)
VPN (Virtual Private Network)

Topology
Common Bus
Star
Ring
Tree
Mesh

Technology
Point-to-point
Diffusion
Multipoint

Media Connection
Guided Media Wire
Unguided Media

Ownership
Private Network
Public Network

Functionality
Client Server Network
Pear-to-pear Network