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LifeBook C1400 Series Notebook - Appendix
allowed to associate with the AP. Shared key authentica-
tion is not considered secure, because a hacker who
detects both the clear-text challenge and the same chal-
lenge encrypted with a WEP key can decipher the key.
SSID (Service Set Identifier)
Service Set Identifier, a 32-character unique identifier
attached to the header of packets sent over a WLAN that
acts as a password when a mobile device tries to connect
to the BSS. The SSID differentiates one WLAN from
another, so all access points and all devices attempting to
connect to a specific WLAN must use the same SSID. A
device will not be permitted to join the BSS unless it can
provide the unique SSID. Because the SSID is broadcast
in plain text, it does not supply any security to the
network.
Subnet mask
TCP-IP network is controlled by being divided into
multiple smaller networks (subnets). IP address consists
of the subnet address and the address of each computer.
Subnet mask defines how many bits of IP address
comprise the subnet address. The same value shall be set
among computers communicating with each other.
TCP/IP (Transmission Control Protocol/Internet
Protocol)
A standard protocol of the Internet.
Wi-Fi
Wi-Fi (Wireless Fidelity) is a set of standards for wireless
local area networks (WLAN) based on the IEEE 802.11
specifications. Certified products can use the official Wi-
Fi logo, which indicates that the product is interoperable
with any other product also showing that logo.
clio.book Page 94 Friday, June 2, 2006 10:37 AM