Buffalo Technology G54 User Manual download pdf (Page 29)

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Packet: A block of data that is

transferred as a single unit, also

called a frame or a block.

Packet Filtering: Discarding unwanted

network trafﬁc based on its originating

address or its type.

PCI (Peripheral Component Interconnect): A

bus that is connected directly to the

CPU.

PCMCIA (Personal Computer Memory

Card International Association) Card:

Removable module that adds features

to a portable computer.

Ping (Packet Internet Groper): An Internet

utility used to determine whether a

particular IP address is online.

Plug and Play: Hardware that,

once installed (“plugged in”), can

immediately be used (“played”), as

opposed to hardware that requires

manual conﬁguration.

PoE (Power over Ethernet): A mechanism

to send DC power to a device using a

CAT5 Ethernet cable.

PPPoE (Point-to-Point Protocol over

Ethernet): A speciﬁcation for

connecting users on an Ethernet line

to the Internet through a common

broadband medium.

Protocol: A standard way of

exchanging information between

computers.

RADIUS (Remote Authentication Dial In

User Service): A server that issues

authentication key to clients.

RAM (Random Access Memory): Non-

permanent memory.

Repeater Hub: A device that collects,

strengthens and transmits information

to all connected devices, allowing

the network to be extended to

Glossary

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