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Shared Workgroup
Hub
A small LAN connected to a router with
workstations A, B, and C, a server and a networked printer.
Click
on the image or the blue button at the bottom
of each image to progress to the next illustration.

All
is quiet


Workstation A
sends data packets...


...to the printer.
Because of the shared hub, everyone "hears" them

While A is
printing, C attemps to hit the Internet
 
Simultaneous
communication causes a collision and all communication stops to
be resent later
Ethernet
| Multimedia | Switching
| Router | VLAN |
Layer 2 v Layer 3 | ATM
| Resources
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