About ICT

1. Network

2. Types
There are three types of
network :
 LAN
 MAN
 WAN

3. LAN
 Graphically bounded
and have limited range
 It covers only a few
miles
 Its transmission speed
is 10-100 Mbps
 Examples are
PAN (Bluetooth
infrared etc ), Ad-hoc
wireless , Soho

4. MAN
 It connect in a city or
Metropolis
 It covers a few hundred
miles
 its transmission rate is
1.5-10 Mbps
 Examples are
SMDS , ATM , FDDI

5. WAN
It connect in a country or
continent
It covers 100 to 1000
miles
Its transmission speed is
1.5 Mbps – 2.4 Gbps
Examples are
ISDN , X.25 , ATM , T1
and T3 Digital carrier
system

6. Network Topology