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you can also visit this link
http://www.ictglobal.com/network_tech.html

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Posted by waqasahmad

www.ictglobal.com/network_tech.html
and
www.how2pass.com/CCNA/study_material/switching_bridging.htm
www.techtutorials.info/devswitch.html

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Posted by crouse

Bridges and Switches are devices that segment (break up) collision domains. They are important parts of a network infrastructure.

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Posted by steve10

Please visit:

http://www.ictglobal.com/network_tech.html

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Posted by sagitraz