Hubs
Hubs
Hubs, or repeaters, are
simple devices that interconnect
groups of users.
Hubs forward any data
packets they receive over
one port from one workstation—
including e-mail, word processing documents,
spreadsheets, gra…Read More
Switches
Switches
Switches are smarter
than hubs and offer
more bandwidth. A
switch forwards data
packets only to the
appropriate port for the
intended recipient, based on information in each packet’s
header. To insulate the tra…Read More
Analog Lines
Analog Lines
Using analog lines to dial out to other networks or to
the Internet—or to allow remote users to dial into your
network—is a straightforward solution. Most ordinary
phone lines are analog lines. Connect a mo…Read More
Networking Technologies Overview
Networking Technologies Overview
Ethernet has been around since the late 1970s and remains
the leading network technology for local-area networks
(LANs). (A LAN is a network contained in a building or
on a single …Read More
Remote Access and Wide-Area Networks
Remote Access and Wide-Area Networks
LANs accommodate local users—people within a building
or on a campus. WANs connect users and LANs spread
between v…Read More
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