Cisco CB21AG Installation And Configuration Manual page 209

Direct-sequence spread spectrum. A type of spread spectrum radio transmission that spreads its signal
DSSS
continuously over a wide frequency band.
Packets that were received twice because an acknowledgement got lost and the sender retransmitted the
duplicate packets
packet.
E
EAP
Extensible Authentication Protocol. EAP is the protocol for the optional IEEE 802.1X wireless LAN
security feature. An access point that supports 802.1X and EAP acts as the interface between a wireless
client and an authentication server, such as a Remote Authentication Dial-In User Service (RADIUS) server,
to which the access point communicates over the wired network.
The most widely used wired local area network. Ethernet uses carrier sense multiple access (CSMA)
Ethernet
to enable computers to share a network and operates at 10, 100, or 1000 megabits per second (Mbps),
depending on the physical layer used.
F
A repository for files so that a local area network can share files, mail, and programs.
file server
The size at which packets are fragmented and transmitted a piece at a time instead of all at once. The
fragmentation
threshold setting must be within the range of 64 to 2312 bytes.
A means of communication whereby each node receives and transmits simultaneously (two-way). See
full duplex
also
G
A device that connects two otherwise incompatible networks together.
gateway
Gigahertz. One billion cycles per second. A unit of measure for frequency.
GHz
H
A means of communication whereby each node receives and transmits in turn (one-way). See also
half duplex
duplex.
A set of characters consisting of ten numbers and six letters (0-9, A-F, and a-f).
hexadecimal
Cisco Aironet 802.11a/b/g Wireless LAN Client Adapters (CB21AG and PI21AG) Installation and Configuration Guide
OL-4211-02
half duplex.
Glossary
full
GL-3