Glossary – SOYO AVRO3001 User Manual

Page 33

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Glossary

10BASE-T

IEEE 802.3 specification for 10 Mbps Ethernet over two pairs of Category

3, 4, or 5 UTP cable

100BASE-TX

IEEE 802.3u specification for 100 Mbps Fast Ethernet over two pairs of
Category 5 UTP cable

Asymmetric Digital Subscriber Line (ADSL)

ADSL allows more data to be sent over existing copper telephone lines than

analog or ISDN technologies. ADSL supports data rates up to8 Mbps
downstream rate and up to 640 Kbps upstream

Bandwidth

The difference between the highest and lowest frequencies available for

network signals. Also synonymous with wire speed, the actual speed of the
data transmission along the cable

Demilitarized Zone (DMZ)

A term taken from the military term for a safety zone between battle lines,

this refers to an area within the firewall. Often this is a single machine with
access to the internal site and the outside network

Denial of Service (DoS)

Action(s) that prevent any part of an information system from functioning

in accordance with its intended purpose. Usually flooding a system to
prevent it from servicing normal and legitimate requests

Domain Name Server (DNS)

An Internet service that translates domain names into IP addresses. Every

time you use a domain name, a DNS service must translate the name into
the corresponding IP address.

Dynamic DNS (DDNS)

A method/service which allows a DNS name to be constantly synchronized

with a dynamic IP address.

Dynamic Host Configuration Protocol (DHCP)

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