Specifications

Glossary 917
Encryption key*
An alphanumeric (letters and/or numbers) series that enables data to be
encrypted and then decrypted so it can be safely shared among members of a
network. WEP uses an encryption key that automatically encrypts outgoing
wireless data. On the receiving side, the same encryption key enables the
computer to automatically decrypt the information so it can be read.
Enterprise*
A term that is often applied to large corporations and businesses. The
enterprise market can incorporate office buildings, manufacturing plants,
warehouses and R&D facilities, as well as large colleges and universities.
ESSID*
The identifying name of an 802.11 wireless network. When you specify your
correct ESSID in your client setup you ensure that you connect to your
wireless network rather than another network in range. (See SSID.) The ESSID
can be called by different terms, such as Network Name, Preferred Network,
SSID or Wireless LAN Service Area.
Ethernet*
International standard networking technology for wired implementations.
Basic 10BaseT networks offer a bandwidth of about 10 Mbps. Fast Ethernet
(100 Mbps) and Gigabit Ethernet (1000 Mbps) are becoming popular.
Firewall*
A system that secures a network and prevents access by unauthorized users.
Firewalls can be software, hardware or a combination of both. Firewalls can
prevent unrestricted access into a network, as well as restrict data from
flowing out of a network.
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.
Hub*
A multiport device used to connect PCs to a network via Ethernet cabling or
via WiFi. Wired hubs can have numerous ports and can transmit data at
speeds ranging from 10 Mbps to multigigabyte speeds per second. A hub