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PPTP Point-to-Point Tunneling Protocol supports the creation of Virtual Private
Networks by ensuring that messages transmitted from one VPN node
to another are secure. Users can use PPTP to dial in to their corporate
network via the Internet.
Preamble A preamble is a signal used in network communications to synchronize
the transmission timing between two or more systems. Proper timing
ensures that all systems are interpreting the start of the information
transfer correctly. While a short preamble improves throughput, a long
preamble ensures compatibility.
RJ-45 A connector used for Ethernet devices that holds up to eight wires.
Short Slot Time A reduced short slot time decreases backoff, or the length of waiting
time before sending a packet on the LAN, thus improving throughput.
SNMP Simple Network Management Protocol is a monitoring and controlling
protocol. SNMP devices/applications report network activity within to a
workstation console so that it may be monitored and controlled.
Subnet Mask Subnet masking is a method of splitting IP networks into subgroups.
TCP Transmission Control Protocol enables two hosts to establish a
connection and exchange streams of data, guaranteeing delivery of
data and that packets will be delivered in the same order in which
they were sent.
Throughput It is the measurable amount of data moved from one place to another
within a given time period.
UConfig The uConfig is a unique feature that provides the ability to directly
access web-configurable Ethernet devices without the need to know
absolute IP addresses. This feature is standard on all the devices that
feature web-based configuration.
UDP User Datagram Protocol is a connectionless protocol that, like TCP, runs
on top of IP networks. Unlike TCP/IP, UDP provides a direct way to send
and receive datagrams over an IP network and is used primarily for
broadcasting messages over a network.
Unicasting Communication that takes place over a network between a single
sender and a single receiver.
URL Uniform Resource Locator is the address that defines the location of a
file on the World Wide Web.
UTP Unshielded Twisted Pair is the most common kind of copper wiring
designed to reduce crosstalk between copper wires.
VPN Virtual Private Network is a secure means to join remote networks using
comprehensive authentication and encryption. They may be
“virtually” joined even across a public network like the Internet by using
secure protocols like IPSec amongst others.
WAN Wide Area Network. It is a communication network that extends over a
large geographical area.