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LOSSARY
PPPoE
Point-to-Point Protocol over Ethernet. Point-to-Point Protocol is a
method of data transmission originally created for dial-up connections;
PPPoE is for Ethernet connections.
PPTP
Point-to-Point Tunneling Protocol is a method of secure data
transmission between two remote sites over the internet.
PVC
Permanent Virtual Circuit. A PVC is a logical point-to-point circuit
between customer sites. PVCs are low-delay circuits because routing
decisions do not need to be made along the way. Permanent means
that the circuit is preprogrammed by the carrier as a path through the
network. It does not need to be set up to torn down for each session.
RIP
Routing Information Protocol. RIP allows an administrator to set up
routing information on one RIP enabled device, and have that routing
information replicated to all RIP enabled devices on the network.
RJ-45
A standard connector used to connect Ethernet networks. The “RJ”
stands for “registered jack”.
Server
A computer in a network that is shared by multiple end stations.
Servers provide end stations with access to shared network services
such as computer files and printer queues.
SPI
Stateful Packet Inspection. This feature requires the firewall to
remember what outgoing requests have been sent and only allow
responses to those requests back through the firewall. This way,
un-requested attempts to access the network will be denied.
SSID
Service Set Identifier. Some vendors of wireless products use SSID
interchangeably with ESSID.
Subnet Address
An extension of the IP addressing scheme that allows a site to use a
single IP network address for multiple physical networks.
Subnet mask
A subnet mask, which may be a part of the TCP/IP information
provided by your ISP, is a set of four numbers configured like an IP
address. It is used to create IP address numbers used only within a
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