D413 - Telecomm and Wireless Communications
study guide
1.
Network:
Interconnected
collection
of
computers
and
communication
devices
2.
Node:
Individual
computer
or
device
connected
to
a
network
3.
Host:
Computer
or
device
connected
to
a
network
that
provides
services
4.
Advantages
of
Networking:
Sharing equipment and data
5.
Disadvantages
of
Networking:
Personnel
and
cost
increase,
vulnerabilities
to
cyberattacks
6.
Local
Area
Network
(LAN):
A network that is usually confined to a single building and
managed by a
single entity. Example: Oflce Building
7.
Metropolitan
Area
Network
(MAN):
Consists of two or more LANs connected with
private or public
communication lined within the same geographic area—for example, a computer
network used by governmental employees of an entire city.
8.
Wide
Area
Network
(WAN):
Consists of a large number of networks and PCs connected with
private and
public communication lines throughout many geographic areas; for example, computers
used by the US government.
9.
Personal
Area
Network
(PAN):
A small network, perhaps consisting of a single
computer and mobile device.
10.
Campus
Area
Network
(CAN):
A network spread across multiple buildings in the
same geographical
location, much like a college campus.
11.
Global
Area
Network
(GAN):
Any
network
that
spans
multiple
countries,
for
example,