Answers to Review Questions
295
15.
C. Traceroute, or trace, is the tool used to test for each hop in the path
to the destination.
16.
A. Listing observations is similar to gathering facts. Fact gathering is
done to aid in the formation of a problem statement, therefore defin-
ing the problem.
17.
B. Proposing solutions is the same as creating an action plan of possi-
ble solutions.
18.
C. It is easier to watch for incrementing counters when they have been
reset to zero.
19.
A. Once the router receives the ICMP request, it can identify the
encapsulation type used by the host and can enter that in the ARP
table for future reference. The host cannot adapt to the encapsulation
used by the router, therefore it must send something to the router so
the router may adapt.
20.
D. Once collisions exceed 5 to 8 percent, there is a significant problem
that should be investigated further.
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