90
of static and dynamic IP addresses. This simplifies
the task for network administrators because the
software keeps track of IP addresses rather than
requiring an administrator to manage the task. This
means a new computer can be add
without the hassle of manually assigning it a unique
IP address. DHCP allows the specification for the
service provided by a router, gateway, or other
network device that automatically assigns an IP
address to any device that requests one
DNS
Domain Name System is an Internet service that
translates domain names into IP addresses. Since
domain names are alphabetic, they're easier to
remember. The Internet however, is really based on
IP addresses every time you use a domain name the
DNS w
ill translate the name into the corresponding
IP address. For example, the domain name
www.network_camera.com
192.167.222.8.
E
Enterprise
network
An enterprise network consists of collections of
networks connected to each other
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 type
10 Mbps (traditional Ethernet), 100 Mbps (Fast
Ethernet), and 1,000 Mbps (Gigabit Ethernet). Most
Ethernet networks use Category 5 cabling to carry
