Cisco Systems OL-7426-03 quick start Garp, Gui, Gvrp, Ieee

GARP

General Attribute Registration Protocol.

Gateway

In the wireless world, a gateway is an access point with additional software capabilities such as providing NAT and DHCP. Gateways may also provide VPN support, roaming, firewalls, various levels of security, etc.

GigE

A Gigabit Ethernet IEEE standard (802.3) for operating 1000 Mbps Ethernet networks (LANs) with fiber optic cables and wiring hubs. See also 1000BASE-SX.

GUI

Graphical User Interface. A computer user interface based on graphics rather than text; uses a mouse or other input device as well as a keyboard.

GVRP

GARP VLAN Registration Protocol.

HotSpot

A place where you can access Wi-Fi service. This can be for free or for a fee. HotSpots can be inside a coffee shop, airport lounge, train station, convention center, hotel or any other public meeting area. Corporations and campuses are also implementing HotSpots to provide wireless Internet access to their visitors and guests. In some parts of the world, HotSpots are known as CoolSpots.

Hub

A multiport device used to connect PCs to a network via Ethernet cabling or via wireless connections. Wired hubs can have numerous ports and can transmit data at speeds ranging from 10 Mbps to multig- igabyte speeds per second. A hub transmits packets it receives to all the connected ports. A small wired hub may only connect 4 computers; a large hub can connect 48 or more. Wireless hubs can connect hundreds.

Hz

The international unit for measuring frequency, equivalent to the older unit of cycles per second. One megahertz (MHz) is one million hertz. One gigahertz (GHz) is one billion hertz. The standard US elec- trical power frequency is 60 Hz, the AM broadcast radio frequency band is 535-1605 kHz, the FM broadcast radio frequency band is 88-108 MHz, and wireless 802.11b/g LANs operate at 2.4 GHz.

I/O

The term used to describe any operation, program or device that transfers data to or from a computer.

ID Certificate

A Certificate used by Web server operators to ensure secure server operation. Usually accompanied by a Private Key.

IEEE

Institute of Electrical and Electronics Engineers, New York, www.ieee.org. A membership organization that includes engineers, scientists and students in electronics and allied fields. It has more than 300,000 members and is involved with setting standards for computers and communications.

5/26/05	Glossary
OL-7426-03