User Manual

Table Of Contents
56
Glossary
address. The DNS server address used by the computers on the home network
is the location of the DNS server the ISP has assigned.
DSL Modem
DSL stands for Digital Subscriber Line. A DSL modem uses an existing phone
lines to transmit data at high speeds.
Ethernet
A standard for computer networks. Ethernet networks are connected by special
cables and hubs, and move data around at up to 10 million bits per second
(Mbps).
Firewall
An electronic boundary that prevents unauthorized users from accessing cer-
tain files or computers on a network.
Firmware
Software stored in memory. Essential programs that remain even when the sys-
tem is turned off. Firmware is easier to change than hardware but more perma-
nent than software stored on a disk.
IP Address
IP stands for Internet Protocol. An IP address consists of a series of four num-
bers separated by periods, that identifies a single, unique Internet computer
host. Example: 192.34.45.8
ISP
Internet Service Provider. An ISP is a business that provides connectivity to the
Internet for individuals and other businesses or organizations.
LAN
Local Area Network. A LAN is a group of computers and devices connected
together in a relatively small area (such as a house or an office). A home net-
work is considered a LAN.
MAC Address
MAC stands for Media Access Control. A MAC address is the hardware
address of a device connected to a network.