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• The figure below shows two ring networks, with a few possible devices hooked to them.

BRIDGE

File

Server

Wiring

Concentrators

Gateway

Terminal

Controller

Wide-Area

Links

9.1 OSI NETWORK MODEL

•Advantages

-Computers not necessarily from the same manufacturer

-Allow computers to communicate information.

-Sharing of equipment such as printers, disks, etc.

-Programs can run on multiple machines improving performance

-Access to machines with better/different resources.