the task for network administrators because the software keeps track

 

of IP addresses ra ther than requiring an administrator to manage the

 

task. This means a new computer can be added to a network 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 in to IP addresses. Since domain names are alphabetic,

 

they're easier to remember. The Internet however, is really based on

 

IP addresses every time you us e 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 acce ssing 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.

 

G

Gateway

A gateway links computers that use different data formats together.

Group

Groups consist of several user machines that have similar

 

characteristics such as being in the same department.

 

H

HEX

Short for hexadecimal refers to the base-16 number system, which

 

consists of 16 unique symbols: the numbers 0 to 9 and the letters A

 

to F. For example, the decimal number 15 is represented as F in the

 

hexadecimal numbering system. The hexadecimal system is useful

 

because it can represent every byte (8 bits) as two consecutive

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Conceptronic C54NETCAM, Conceptronic, CNETCAM manual Dns, Hex