Categorii: Tot - transmission - software - topology - resources

realizată de Candela Rodríguez Espeche 3 ani în urmă

172

Computer networks

A computer network is essentially a collection of interconnected computers that share resources and data. This interconnection can be achieved through various types of hardware like routers, switches, network cards, and connectors.

Computer networks

Computer networks

UNIQUE IDENTIFIERS

PACKAGE TOUR
ETHERNET
WIRELESS
TCP/IP ADRESS
DNS
DNS servers
PORT
MAC ADRESS
IP ADRESS
HOST NAME

USE

TO COMMUNICATE
send data
send messages
TO SHARE RESOURCES
applications
data
peripherals

DATA TRANSMISION

transmision of 2+ simultanoeus stations
DATA COLLISION
transmita a single station in an orderly manner
transmited in packets

TYPES

TOPOLOGY
MESH NETWORK TOPOLOGY
TREE TOPOLOGY
RING NETWORK TOPOLOGY
STAR NETWORK TOPOLOGY
COMMON BUS TOPOLOGY
OWNERSHIP
PUBLIC NETWORK

MAN or WAN

owned by government or NGOS

PRIVATE NETWORK

privately owned

TECHNOLOGY
MULTIPOINT
DIFFUSION
POINT TO POINT
CONNECTIONS
UNGUIDED MEDIA
GUIDED MEDIA WIRED

COAXIAL CABLE

CROSS TWISTED WIRE

size
VPN
WAN
MAN
LAN
PAN
FUNCTIONALITY
PEER TO PEER
CLIENT-SERVER

DEFINITION

Union of two or more computers so they can share resources.To create the network, hardware and software are needed.
EXAMPLES OF SOFTWARE

services

protocols

EXAMPLES OF HARDWARE:

cables

cards

EXAMPLES OF RESOURCES:,

disks

printers

programs

directories

files

HARDWARE

switch
repeater
hub (multiport repeater)
router
network card
BNC connector
RJ45 connector
motherboard

ELEMENTS

Network Operating System
Linux
Unix
Novell Netware
Microsoft Windows
A connection medium like a wire or a cable
wireless also possible
Networking Interface Card
2+ computers