LAN - local-area network
Related Terms
What is a Local-Area Network (LAN)?
A local-area network (LAN) is a
that spans a relatively small area. Most LANs are confined to a single building or group of buildings, however, one LAN can be connected to other LANs over any distance via telephone lines and radio waves. A
of LANs connected in this way is called a .
Most LANs connect
and . Each
(individual computer ) in a LAN has its own
with which it
, but it also is able to
anywhere on the LAN. This means that many
can share expensive devices, such as , as well as data. Users can also use the LAN to communicate with each other, by sending
or engaging in
LANs are capable of transmitting data at very fast rates, much faster than data can be transmitted o but the distances are limited, and there is also a limit on the number of computers that can be attached to a single LAN.
Types of Local-Area Networks (LANs)
There are many different types of LANs, with
being the most common for . Most
networks are based on
network system, which is built into Macintosh computers.
The following characteristics differentiate one LAN from another:
: The geometric arrangement of devices on the network. For example, devices can be arranged in a ring or in a straight line.
: The rules and encoding specifications for sending data. The protocols also determine whether the network uses a
: Devices can be connected by , , or
cables. Some networks do without connecting media altogether, communicating instead via radio waves.
Top 5 LAN-Related Questions
1) 2) 3) 4) 5)What is LAN network administrator?
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