A. Network
- A network consists of two or more computers that are linked in order to
share resources (such as printers and CDs), exchange files, or allow electronic
communications. The computers on a network may be linked through cables,
telephone lines, radio waves, satellites, or infrared light beams.
The Network allows computers to connect and
communicate with different computers via any medium. LAN, MAN, and WAN are the
three types of the network designed to operate over the area they cover.
The
full forms of types of network are mentioned below:
- LAN – Local Area Network
- MAN – Metropolitan Area Network
- WAN – Wide Area Network
Local Area Network
(LAN): A local area network (LAN) could be a cluster of
computers and associated devices that share a standard communications line or
wireless link to a server. Typically, a local area network encompasses
computers and peripherals connected to a server among a definite geographic a region like a
workplace or a billboard institution. Computers and different mobile
devices use a local area network affiliation to share resources like a printer
or network storage.
2-WAN NETWORK
acronym for wide area network is a broad area network of interconnected devices
which are not limited to a room, building or campus; in fact, it extends to a
large geographical area such as across cities, countries, or continents. The
networks are established using leased telecommunication circuits and a router
is typically used to connect a LAN to a WAN network. The best example of a WAN
is the Internet which connects many smaller LANs and MANs through ISPs.
3 -MAN NETWORK
Short for Metropolitan Area Network, a data network designed for a town
or city. In terms of geographic breadth, MANs are larger than local-area
networks (LANs), but smaller than wide-area networks (WANs). MANs are usually
characterized by very high-speed connections using fiber optical cable or other
digital media.
The TRANSMISSION
- LAN is considered as a stand-alone network that connects computers and
workstations across standard ethernet ables some wireless networks are often
established using WIFI while ethernet is the commonly used LAN that controls
the data transmitted through a LAN.
- WAN connects multiple LAN's to establish a network that allows users in one location to
communicate with users in another location it is limited to an enterprise or an
organization.
- MAN interconnects several LAN's into a single large network by bridging
them with backbone lines.
Key Differences Between LAN,
MAN and WAN
1. The geographical
area covered by LAN is small, whereas, MAN covers relatively large and WAN
covers the greatest of all.
2. LAN is confined
to schools, hospitals or buildings, whereas, MAN connects small towns or Cities
and on the other hand, WAN covers Country or a group of Countries.
3. Devices used for
transmission of data are-
LAN: WiFi, Ethernet Cables.
MAN: Modem and Wire/Cable
WAN: Optic wires, Microwaves, Satellites.
LAN: WiFi, Ethernet Cables.
MAN: Modem and Wire/Cable
WAN: Optic wires, Microwaves, Satellites.
4. LAN’s transmit
data at a faster rate than MAN and WAN.
5. Maintenance of
LAN is easier than that of MAN and WAN.
6. The bandwidth
available for transmission is higher in LAN than MAN and WAN.
7. Data
transmission errors and noise are least in LAN, moderate in MAN and high in
WAN.
TO SUM UP
-LAN,
MAN, and WAN. These are the major types of network designed to establish a
network within the area they cover. There are similarities and differences
between them. One of the major differences is, of course, the geographical area.
Local area network is usually a building or a campus with a very limited
distance coverage of up to a few hundred meters, metropolitan area network is
relatively a new class of network which extends beyond the area of a LAN but
smaller than that of a WAN. Wide area network covers a huge geographical area
in the range of up to 100,000 kilometers.
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