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G–2 iPAQ Connection Point CP-2E User Guide
Glossary
DSL (digital subscriber line). A technology that takes advantage of standard
copper telephone lines to provide high-speed Internet access.
Ethernet. A local area network protocol used to connect devices within a single
building or campus at speeds up to 10 Mbps.
Fast Ethernet. A local area network protocol used to connect devices within a
single building or campus at speeds up to 100 Mbps.
Firewall. A set of related programs located at the gateway server of a network
that protects information contained within the network from users outside the
network (on the Internet). A company with an intranet that also allows workers to
access to the wider Internet installs a firewall to prevent outsiders from accessing
its data resources.
FTP (file transfer protocol). A protocol used to send files over the Internet.
Gateway. A combination of hardware and software that links two different types
of networks.
Gbps (gigabits per second). A measure of bandwidth capacity or transmission
speed. It represents a billion bits per second.
Gigabyte. A billion bytes of data.
HPNA. Home Phone Network Alliance.
Hub. A common connection point for devices on a network.
IEEE. The Institute of Electrical and Electronics Engineers. An organization of
engineers, scientists, and students best known for developing standards for the
computer and electronics industry.
ISDN (integrated services digital network). A set of standards for digital
transmission capable of carrying data, voice, and video over ordinary telephone
copper wire as well as over other media. ISDN protocols are used worldwide for
connections to public ISDN networks or to attach ISDN devices to ISDN-capable
PBX systems (ISPBXs).
Interface. A point of connection between two systems, networks, or devices.
Internet. The world's largest computer network, which originated from a
research effort initiated by the U.S. Government and was initially used to connect
defense contractors and U.S. universities. Today, its nature is more commercial,
and it is becoming the preferred method of linking business and individual
computers to one another.
Internet access. The physical connection between the subscriber and the nearest
Internet access node.
ISP (internet service provider). A single computer network, connected to the
Internet, that provides access for individual computers to the Internet. ISPs
provide local dial-up and broadband Internet access for personal computers.
Intranet. A local network with internal Web servers that are accessible to
computers in the office, but not accessible from outside the company. Many
intranets are protected from exterior access by security devices such as firewalls.