-

Networking

-

-

-

-

-

-

-

-

-

-

-

-sharing resources-Office-3

-video conference-E-commerce-E-learning--ATM

Mobile communication-9 IP-camera- 10

Voice over IP-11

data

-

cisco

Microsoft

Novell

Sun Microsystems Solaris

Apple IBM

Unix Linux Red hat

Network component

-server

E-mail server email yahoo hotmail

-Client :

server server client hotmail client

-E-mail server (hotmail)

inbox serverserver

-media

wired wireless

Network component

Device-5-

NIC Network interface card-6-

Operating system -7-XP server 2003 Linux

-TCP/IP

Network component

ServerClient

MediaDevice

NicOperating system

Tcp/ip

Network according to size

LAN: Local Area NetworkMAN : metropolitan Area Network

WAN: Wide Area Network

LAN

-Hub Switch

-

MANLAN

LANMAN

WANLAN

Internet

Enterprise network LAN

Global Network

LAN

--peer to peer-SERVER/Client

---------------------------------------------

Peer-to-peer

give and take

Give) Take)

--slow performance2-poor security3--workgroup P2P5-Client

Server/Client

server

RAMCPU Peer

Centralized Administration

peer

Network Administrator

MCSE CCNA server

--maintenance complex2-support tools -retaining4-require/request

client requireserver request

peer-to-peer

server/client

peer-to-peer-

-

-

--back up :

server/client-

--centralized

(--back up :