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Glossary D-4

Fast Ethernet

An Ethernet specification with a speed of 100 Mbps (10 times faster than 10BaseT).

Firewall protection

Creative’s built-in router provides firewall protection to all the computers on its LAN.

All these computers share a single public IP address and are assigned local IP

addresses that are hidden from the outside world. For the external world, there is

no network, only a single device. The BritePort’s router blocks any attempt by any

external computer to connect to local resources.

Fragmentation

threshold

The size at which the transmitted data packets are fragmented. The range extends

from 256 to 2346 bytes.

Full duplex

Simultaneous and independent data transmission, between two communicating

computers, in both directions.

Half duplex

Data transmission in which both computers can send and receive data but the data

transmission can occur in only one direction at a time.

Hexadecimal

A number system with a base of 16. The 16 digits in the hexadecimal system are 0,

1, 2, 3, 4, 5, 6, 7, 8, 9, a, b, c, d, e, f.

Hub

A device used for connecting nodes in a star topology, that is all the nodes are

connected to a central hub. A passive hub simply organizes the wiring, while an

active hub, besides organizing the wiring, regenerates and retransmits the signals.

IEEE 802.11

A family of wireless LAN standards — 802.11a, 802.11b, 802.11e, and 802.11g, out

of which 802.11b has won widespread adoption. The original 802.11 standard was

first approved in 1997 but was not very successful because it was relatively slow at

2 Mbps.

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Creative 2030 Bedienungsanleitung Seite 83