NETWORKS
Elements
Two or more Server or Client workstation
Network Interface Cards (NIC)
A connection medium (wire/cable/sometimes wireless)
Network Operating System Sorftware (NOS)
Functions
They comunicate
By sending data
By sending messages
They share resources
Applications
Data
Peripherals
Definition
The union of two or more computers in order to share information.
Network hardware
RJ45 conenctor in motherboard
RJ45 connector and BNC connector in network card
Router
Repeater
Hub
Switch
Unique Identifiers
Hostname
IP adress
MAC adress
Port
Subtopic
DNS(domain name system)
.com
.edu
.uk
.es
.net
Subtopic
Types of networks
Depending on size
PAN
MAN
LAN
WAN
VPN
Topology
Common bus topology
Star network topology
Ring network topology
Tree topology
Technology
Point to point
Diffusion
Multipoint
Media connection
Unguided media
Twisted pair cable
Coaxal cable
Fiber optics
Guided media wired
Radio network
Infrared network
Microware net
Ownership
Private Network
Public network
Functionality
Peer to peer network
Client server network
Data transmission
Transmitted in packets
It trasmits a single stations in a orderly manner
Transmission of two or more stations involves data colision and in both stations it must be repeated