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Answers to Review Questions
29
10.
A, C, D, E. Any changes made should be included in the action plan
and documentation. By doing that, you can make sure you hold to the
requirements listed in the other answers.
11.
B. The methods used to gather facts can also be used to plan how the
changes will be implemented. You can implement changes on the far
end first and work back, or you can start on your side and work your
way out--implementing necessary changes as you go.
12.
A, C, D. The iteration process actually allows you to shorten the time
it would normally take to fix a problem if you were "shooting from
the hip."
13.
A, B, C, D, E, F. All answers depict valuable information that can or
should be found in a network baseline.
14.
B, C. The customer should not be told a solution has been imple-
mented until it has been verified. Iteration is useless as well without
observing the results of the changes first.
15.
B, D. These are the best answers because they deal directly with aid-
ing you in efficiently solving the problem.
16.
A, B, C. All three of these methods require step-by-step execution.
17.
D. These are all correct answers. When multiple changes are made,
you can't be sure whether you caused any observed results or which of
the changes solved the problem.
18.
B, C, D. If you use A as part of the iteration process, you are doing
something wrong and you need to go back to the very beginning and
gather facts regarding the problem.
19.
C. The most effective method of observing to see if anything changes
after the action plan is implemented is to use the exact same tests that
were used to gather facts and define the action plan.
20.
B. A good troubleshooting method allows even people unfamiliar
with the network architecture to efficiently troubleshoot network
problems.
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