NetCamera NVW

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 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 10 Mbps (traditional

 

Ethernet), 100 Mbps (Fast Ethernet), and 1,000 Mbps (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

 

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