ZyXEL Communications Prestige 964 Guide de l'utilisateur télécharger pdf (Page 49)

P964 APR Cable Router with 802.11g Access Point

Glossary K

Upstream

The data flowing from the CM to the CMTS.

Upstream Frequency

The frequency used to transmit data from the CM to the CMTS. Normally in the 5 to 42 MHz

range for US systems and 5 to 65 MHz range for European systems.

URL (Uniform Resource Locator) URL is an object on the Internet or an intranet that resides on a host

system. Objects include directories and an assortment of file types, including text files, graphics,

video, and audio. A URL is the address of an object that is normally typed in the Address field of

a Web browser. The URL is basically a pointer to the location of an object.

VPN Virtual Private Network. These networks use public connections (such as the Internet) to transfer

information. That information is usually encrypted for security purposes.

Vulnerability Point where a system can be attacked.

WA N Wide Area Network s link geographically dispersed offices in other cities or around the globe.

Just about any long-distance communication medium can serve as a WAN link, including

switched and permanent telephone circuits, terrestrial radio systems, and satellite systems.

War Dialer A program that automatically dials phone numbers looking for computers on the other end. They

catalog numbers so that hackers can call back and try to break in.

Warez A term that describes Pirated Software on the Internet. Warez include cracked games or other

programs that software pirates distribute on the Internet

Web Configurator This is a web-based router (not all) configurator that includes an Internet Access Wizard,

Advanced.

Wire Tapping Connecting to a network and monitoring all traffic. Most wire tapping features can only monitor

the traffic on their subnet.

Worm A program that seeks access into other computers. Once a worm penetrates another computer it

continues seeking access to other areas. Worms are often equipped with dictionary-based

password crackers and other cracker tools that enable them to penetrate more systems. Worms

often steal or vandalize computer data.

WWW (World Wide Web) -- Frequently used when referring to "The Internet", WWW has two major

meanings - First, loosely used: the whole constellation of resources that can be accessed using

Gopher, FTP, HTTP, telnet, USENET, WAIS and some other tools. Second, the universe of

hypertext servers (HTTP servers).

1 2 ... 44 45 46 47 48 49 50 51

Pas de commentaire

ZyXEL Communications Prestige 964 Guide de l'utilisateur Page 49