T
ERMINOLOGY
47
Infrastructure – An integrated wireless and wired LAN is called an
Infrastructure configuration.
Management Frame – Control frame for establishing a link between an
access point and a client station. It includes Beacon, Probe,
Authentication, and Association frames.
MSDUs – MAC Service Data Units.
MMPDUs – MAC Management Protocol Data Units.
Roaming – A wireless LAN mobile user moves around an ESS and
maintains a continuous connection to the Infrastructure network.
RTS Threshold – Transmitters contending for the medium may not be
aware of each other. RTS/CTS mechanism can solve this “Hidden Node
Problem.” If the packet size is smaller than the preset RTS Threshold size,
the RTS/CTS mechanism will NOT be enabled.
USB – The Universal Serial Bus allows complete Plug and Play connection
of peripheral devices to a computer.
WEP – “Wired Equivalent Privacy” is based on the use of 64-bit or
128-bit keys and the popular RC4 encryption algorithm. Wireless devices
without a valid WEP key are excluded from network traffic.
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