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Frame The method by which a data packet is
constructed to be sent across a network. Usually
assembled with header and footer information.
Gateway Another name for a router on a network.
HDLC High-level Data Link Control. OSI's bit
orientated protocol.
Hop count The number of routing nodes between a
source and destination device on a LAN or WAN.
Host A device or computer on an IP network to
which you can connect.
Hub A cabling centre in a star topology that either
amplifies a signal and transmits it (active hub) or
simply passes the signal along (passive hub).
Hyperterminal The terminal emulation program
provided with Microsoft Windows 95
IEEE The Institute of Electronic and Electrical
Engineers.
IPX Internetwork Packet Exchange, the default data
packet protocol for Novell's NetWare operating
system.
™
.
ISDN Integrated Services Digital Network. A
multi-channel digital end-to-end
telecommunications network that provides a virtually
error free transmission of data.
ISO International Standards Organization. Refer to
Open Systems Interconnection.
Kbps A measurement of data transmission speed in
kilo bits per second.
Keep alives A message sent by one network device
to inform another network device that the virtual
circuit between them is still active.
LAN Local area network, a network that covers a
group of local workstations and peripherals that
require to share information.
Learn A bridge learns addresses received at any of its
interfaces and adds them to its filter address table.
MAC Medium access control, a protocol for
determining which device has access to the network
at any one time.
Mbps A measurement of data transmission speed in
megabits per second.
C-5
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