The CCNA certification is the first in the new line of Cisco certifications, and
it is a precursor to all current Cisco certifications.


A lot of readers may already be familiar with Cisco and what they do. However,
those of you who are new to the field, just coming in fresh from your
MCSE, and those of you who maybe have 10 or more years in the field but
wish to brush up on the new technology may appreciate a little background
on Cisco.
In the early 1980s, Len and Sandy Bosack, a married couple who worked
in different computer departments at Stanford University, were having
trouble getting their individual systems to communicate (like many married


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