Table of Contents
Advertisement
Glossary
In this way, the cells belonging to the same
connection can be distinguished. A unique
and separate VPI/VCI identifier is assigned in
advance to indicate which type of cells follow.
WAN – Wide Area Network
Any network spread over a large
geographical area, such as a country or
continent. With respect to the HM490dp,
WAN refers to the Internet.
WEP – Wired Equivalent Privacy
Encryps data over WLANs. Data is encrypted
into blocks of either 64 bits length or 128 bits
length. The encrypted data can only be sent
and received by users with access to a
private network key. Each PC on your
wireless network must be manually
configured with the same key as your device
in order to allow wireless encrypted data
transmissions.
Wireless
Wireless is a term used to describe
telecommunications in which electromagnetic
waves (rather than some form of wire) carry
the signal over part or all of the
communication path.
WLAN – Wireless LAN
A wireless LAN is one in which a mobile user
can connect to a local area network (LAN)
through a wireless (radio) connection. A
standard, IEEE 802.11, specifies the
technologies for wireless LANs.
WPA - Wi-Fi Protected Access
WPA is an initiative by the IEEE and Wi-Fi
Alliance to address the security limitations of
WEP. WPA provides a stronger data
encryption method (called Temporal Key
Integrity Protocol (TKIP)). It runs in a special,
easy-to-set-up home mode called Pre-Shared
Key (PSK) that allows you to manually enter a
passphrase on all the d evices in your
wireless network. WPA data encryption is
based on a WPA master key. The master key
92
is derived from the passphrase and the
network name (SSID) of the device.
WPA Pre-Shared Key (PSK)
PSK can be used for small office networks
that may not have the resources to configure
and maintain a RADIUS server. WPA
provides a simple operating mode that uses
just a pre-shared password for network
access.
1553-ZAT 759 95 Uen C – July 2005
Advertisement
Table of Contents
