This article is from the Ethernet FAQ, by James Messer James@NetworkUptime.com with numerous contributions by others.
An Ethernet-specific certification is available through the
Certified Network eXpert (CNX) program. This certification is
Ethernet topology specific, and does not emphasize any network
operating system. Visit http://www.cnx.org for more information on
the CNX exam. Sylvan Prometric administers the CNX exam, and their
web page is http://www.sylvanprometric.com. NetworkUptime.com also
keeps a CNX resources page at http://www.NetworkUptime.com/cnx.
 
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