Asus GigaX2024B User Manual

Page 102

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GigaX2024B L2 Managed Switch User Manual

the TTL reaches zero, the packet is discarded.

twisted pair

The ordinary copper telephone wiring long used by

telephone companies. It contains one or more wire pairs

twisted together to reduce inductance and noise. Each

telephone line uses one pair. In homes, it is most often

installed with two pairs. For Ethernet LANs, a higher grade

called Category 3 (CAT 3) is used for 10BASE-T networks,

and an even higher grade called Category 5 (CAT 5) is used

for 100BASE-T networks. See also 10BASE-T, 100BASE-T,

Ethernet.

upstream

The direction of data transmission from the user to the

Internet.

VLAN

Virtual Local Area Network

WAN

Wide Area Network

Any network spread over a large geographical area, such as

a country or continent. With respect to the SL-1000, WAN

refers to the Internet.

Web browser

A software program that uses Hyper-Text Transfer Protocol

(HTTP) to download information from (and upload to) web

sites, and displays the information, which may consist of text,

graphic images, audio, or video, to the user. Web browsers

use Hyper-Text Transfer Protocol (HTTP). Popular web

browsers include Netscape Navigator and Microsoft Internet

Explorer. See also HTTP, web site, WWW.

Web page

A web site file typically containing text, graphics and

hyperlinks (cross-references) to the other pages on that web

site, as well as to pages on other web sites. When a user

accesses a web site, the first page that is displayed is called

the home page. See also hyperlink, web site.

Web site

A computer on the Internet that distributes information to (and

gets information from) remote users through web browsers.

A web site typically consists of web pages that contain text,

graphics, and hyperlinks. See also hyperlink, web page.

WWW

World Wide Web

Also called (the) Web. Collective term for all web sites

anywhere in the world that can be accessed via the Internet

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