Section 5 | Glossary |
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PCMCIA
The Personal Computer Memory Card International Association sets international standards for connecting peripherals to portable computers. Laptop computers typically have a PCMCIA slot that can hold one or two PC Cards to provide features such as Ethernet connectivity.
PING
A network utility that tests host reachability by sending a small packet to the host and waiting for a reply. If you PING a computer IP address and receive a reply, you know the computer is reachable over the network. It also stands for “Packet InterNet Groper.”
Port Triggering
A mechanism that allows incoming communication with specified applications.
PPP
PPPoE
Service Providers for broadband connection.
PPTP
Private IP Address
An IP address assigned to a device on a LAN.
Private IP addresses are invisible to devices on the Internet. See also Public IP Address.
Protocol
A formal set of rules and conventions for exchanging data. Different computer types (for example PC, UNIX, or mainframe) can communicate if they support common protocols.
Public IP Address
The IP address assigned to the router by the service provider.
A public IP address is visible to devices on the Internet. See also
Private IP Address.
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