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Basic testing of a network should proceed
in sequence from one OSI reference model layer to the next.
 It is best
to begin with Layer 1 and work to Layer 7 if necessary. Beginning with
Layer 1, look for simple problems such as power cords plugged in the
wall. The most common problems that occur on IP networks result from
errors in the addressing scheme. It is important to test the address
configuration before continuing with further configuration steps.Each test presented in this section
focuses on network operations at a specific layer of the OSI model.
The commands
telnet
and
ping
are two important commands that are used for testing a network.
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Interactive Media Activity
Point and Click: Network Testing
After completing this activity, the student will be able to understand
network testing.
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Web Links