With the introduction of localarea
networks, ?¬?le sharing, and print sharing in the 1980s, it became obvious that
distributed computing was no longer a passing fad. By the 1990s, computers became less
expensive, and innovations such as the Internet allowed everyone to connect to computer
services worldwide. Computing services have become large and distributed. The days of
punch cards and green-bar paper are behind us, and a new generation of computing experts
is being asked to keep this distributed technology operational. These experts are destined
to have a new set of issues and problems to deal with, the most complex of them being
connectivity and compatibility among differing systems and devices.
The primary challenge with data networking today is to link multiple devices??™ protocols
and sites with maximum effectiveness and ease of use for end users. Of course, this must
all be accomplished in a cost-effective way. Cisco offers a variety of products to give
network managers and analysts the ability to face and solve the challenges of
internetworking.
In an effort to ensure that these networking professionals have the knowledge to perform
these arduous tasks, Cisco has developed a series of courses and certi?¬?cations that act as
benchmarks for internetworking professionals.
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