3Com 520 - Manual (Page 85)

C-5
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.
Rc.bk : GLOSSARY.FRM Page 5 Thursday, July 10, 1997 9:53 AM