Computer networks
ELEMENTS
2+ computers
Networking Interface Card
A connection medium like a wire or a cable
wireless also possible
Network Operating System
Microsoft Windows
Novell Netware
Unix
Linux
HARDWARE
RJ45 connector
motherboard
network card
BNC connector
RJ45 connector
router
repeater
hub (multiport repeater)
switch
DEFINITION
Union of two or more computers so they can share resources.To create the network, hardware and software are needed.
EXAMPLES OF RESOURCES:,
files
directories
programs
printers
disks
EXAMPLES OF HARDWARE:
cards
cables
EXAMPLES OF SOFTWARE
protocols
services
TYPES
FUNCTIONALITY
CLIENT-SERVER
PEER TO PEER
size
PAN
LAN
MAN
WAN
VPN
CONNECTIONS
GUIDED MEDIA WIRED
CROSS TWISTED WIRE
COAXIAL CABLE
UNGUIDED MEDIA
TECHNOLOGY
POINT TO POINT
DIFFUSION
MULTIPOINT
OWNERSHIP
PRIVATE NETWORK
privately owned
LAN
PUBLIC NETWORK
owned by government or NGOS
MAN or WAN
TOPOLOGY
COMMON BUS TOPOLOGY
STAR NETWORK TOPOLOGY
RING NETWORK TOPOLOGY
TREE TOPOLOGY
MESH NETWORK TOPOLOGY
DATA TRANSMISION
transmited in packets
transmita a single station in an orderly manner
transmision of 2+ simultanoeus stations
DATA COLLISION
USE
TO SHARE RESOURCES
peripherals
data
applications
TO COMMUNICATE
send messages
send data
UNIQUE IDENTIFIERS
HOST NAME
IP ADRESS
MAC ADRESS
PORT
DNS
DNS servers
TCP/IP ADRESS
ETHERNET
CONNECTIONS
WIRELESS
PACKAGE TOUR
TO SHARE RESOURCES