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remember. The Internet however, is really based on IP
addresses every time you use a domain name the
DNS will translate the name into the corresponding IP
address. For example, the domain name
www.network_camera.com might translate to
192.167.222.8.
E
Enterprise
network
An enterprise network consists of collections of
networks connected to each other over a
geographically dispersed area. The enterprise network
serves the needs of a widely distributed company and
operates the company’s mission-critical applications.
Ethernet
The most popular LAN communication technology.
There are a variety of types of Ethernet, including
10Mbps (traditional Ethernet), 100Mbps (Fast
Ethernet), and 1,000Mbps (Gigabit Ethernet). Most
Ethernet networks use Category 5 cabling to carry
information, in the form of electrical signals, between
devices. Ethernet is an implementation of CSMA/CD
that operates in a bus or star topology.
F
Fast Ethernet
Fast Ethernet, also called 100BASE-T, operates at 10
or 100Mbps per second over UTP, STP, or fiber-optic
media.
Firewall
Firewall is considered the first line of defense in
protecting private information. For better security, data
can be encrypted. A system designed to prevent
unauthorized access to or from a private network.
Firewalls are frequently used to prevent unauthorized
Internet users from accessing private networks
connected to the Internet, especially Intranets all
messages entering or leaving the intranet pass
through the firewall, which examines each message
and blocks those that do not meet the specified
security criteria.