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Page 38 NP6800 - Wireless LAN Access Point
N
Network - A system that transmits any
combination of voice, video and/or data
between users.
Node - A network junction or connection
point, typically a computer or work station.
O
Open System - Is when the sender and the
recipient do not share a secret key. Each
party generates its own key-pair and asks the
receiver to accept the (usually randomly)
generated key. Once accepted, this key is
used for a short time only; then a new key is
generated and agreed upon.
P
Packet - A unit of data routed between an
origin and a destination in a network.
Plug and Play - The ability of a computer
system to configure expansion boards and
other devices automatically without requiring
the user to turn off the system during
installation.
R
RTS/CTS Threshold Value - Should remain
at its default setting of 2,347. A preamble is a
signal used to synchronize the transmission
timing between two or more systems. A
series of transmission pulses is sent before
the data to indicate that “someone is about
transmit data.” This ensures that systems
receiving the information correctly when the
data transmission starts.
S
Shared Key - Is when both the sender and
recipient share a secret key. Both units use
this key for an extended length of time,
sometimes indefinitely. Any eavesdropper that
discovers the key may decipher all packets
until the key is changed.
Signal Strength - The signal level indicates
the strength of the signal as received at the
wireless network interface.
SNMP (Simple Network Management Protocol)
- A standard network protocol that can be
used to manage networks locally, or
worldwide via the Internet.
SSID (Service Set Identifier) - Is the unique
name shared among all points in a wireless
network. The SSID must be identical for all
points in the network. It is case sensitive and
must not exceed 32 characters.
Static IP Address - A permanent IP address
that is assigned to a node in an IP or a TCP/IP
network.
Subnet - A subnet is a logical sub-division of
a Local Area Network that has been divided
by means of routers or gateways. A subnet
may include multiple LAN segments. Each
subnet is identified by the Subnet Mask.
T
TCP/IP (Transmission Control Protocol/
Internet Protocol) - The basic communication
language or protocol of the Internet. It can
also be used as a communications protocol in
a private network (either an intranet or an
extranet). When you are set up with direct
access to the Internet, your computer is
provided with a copy of the TCP/IP program
just as every other computer that you may
send messages to or get information from
also has a copy of TCP/IP.
W
WEP (Wired Equivalent Privacy) - The optional
cryptographic confidentiality algorithm
specified by IEEE 802.11 used to provide data
confidentiality that is subjectively equivalent to
the confidentiality of a wired LAN medium that
does not employ cryptographic techniques to
enhance privacy.
Windows workgroup - A Windows
workgroup can consist of either wireless or
wired network connections or a combination
of the two. Usually a Windows workgroup
consists of members who are related
because of a shared function, e.g. members
of the same department. For a Windows
workgroup it is not relevant where the
workgroup participants are located, since the
members of a Windows workgroup are
identified by their workgroup name only.