TECNO

Classified in Computers

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TYPES OF NETWORKS

LAN ( LOCAL AREA NETWORK): GROUP OF INTERCONNECTED COMPUTERS UNDER ONE ADMINISTRATIVE CONTROL GROUP THAT GOVERNS THE SECURITY AND ACESS CONTROL POLICIES THAT ARE IN FORCE OF THE NETWORK. 100 COMPUTERS.
MAN ( METROPOLITAN AREA NETWORK ):  NETWORK THAT SPANS ACCROSS A LARGE CAMPUS OR A CITY. CONSISTING OF VARIOUS BUILDINGS INTERCONNECTEED THROUGH WIRELESS OF FIBER OPTIC BACKBONES. 500 COMPUTERS.
WAN ( WIDE AREA NETWORK ) CONNECTIONS OF MULTIPLE SMALLS NETWORKS SUCH AS LAN AND MAN THAT ARE IN GEOGRAPHICALLY SEPARATED LOCATONS. THE MOST COMMON IS INTERNET.
WLAN ( WIRELESS LOCAL AREA NETWORK ) GROUP OF WIRELESS DEVICES THAT CONNECT TO ACCESS POINTS WITHIN A SPECIFIED AREA. ACESS POINTS ARE TYPICALLY CONNECTED TO NETWORK USING COPPER CABLING.
PAN ( PERSONAL AREA NETWORK ) NETWORK THAT CONNECTS DEVICES SUCH AS MICE, KEYBOARD WITHIN THE RANGE OF AN INDIVIDUAL PERSON. PAN ARE OST OFTEN BY BLUETHOOTH.

NETWORK DEVICES: 
1. HUB : EXTEND THE RANGE OF A SIGNAL. ALLOW FOR COLLISIONS. ALSO CALLED CONCENTRATORS.
2. BRIDGES AND SWITCHES: A BRIDGE HAS 2 PORTS. A SWITCH HAS SEVERAL PORTS.
3. ROUTERS: DEVICES THAT CONNECTS ENTIRE NETWORKS TO EACH OTHER. CAN BE A COMPUTER.
4. WAP ( WIRELESS ACCESS POINT ) PROVIDE NETWORKS ACCESS TO WIRELESS DEVICES SUCHA AS LAPTOPS. LIMITTED RANGE OF CAVERAGE
DIBUJOS:
LAN PHYSICAL TOPOLOGIES( BUS TOPOLOGY): COMPUTER AND OTHER DEVICES ARE CONNECTED TO A NETWORK . COLLISION TRAUBLES. SLOW SPEED. SIMPLE FLAILURE SHUT DOWNS NETWORKS
RING TOPOLOGY: HOST ARE CONNECTED IN A PHYSICAL RING. SLOW SPEED. A TAKEN TRAVELS AROUND TGHE RING STTOPING EACH OTHER TO ALLOW DATA TRANSMISSION. 2 DIFFERENT PARTS.
STAR TOPOLOGY: HAS CENTRAL CONNECTION. EASY TO TROUBLESHOOT. SINGLE FLAILURES DO NOT SHUT DOWN THE NETWORK. SPEED
MESH: HYBRID ANY COMBINATION . OF ANY OF THE OTHER TOPOLOGIES. KIND OF NETWORK ACCORDING TO THE TOPOLOGY AND NUMBER OF COMPUTERS.
CODE FOR NETWORKS: 192.168.0.0

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