Review Questions
293
17.
What is the purpose of proposing solutions?
A.
It is equivalent to considering possibilities.
B.
It is equivalent to creating an action plan.
C.
It is equivalent to defining the problem.
D.
It is equivalent to the iteration process.
18.
Why should you clear the counters on an interface you are trouble-
shooting? (Choose all that apply.)
A.
By clearing the counters, you may clear the problem that you are
investigating.
B.
Clearing the counters flushes any corrupt packets from the inter-
face.
C.
Clearing the counters creates a reference point.
D.
The show interface command will not work if the interface isn't
cleared first.
19.
What can cause an ARP entry to appear in the ARP table only after a
ping is sent to the router from the host?
A.
The Ethernet encapsulation used on the remote device does not
match the default encapsulation setting on the Ethernet interface
on the router.
B.
The Ethernet encapsulation used on the remote device is not rec-
ognized by the encapsulation used on the Ethernet interface on the
router.
C.
The Ethernet segment is faulty.
D.
The router cannot reach the host.
20.
When should the number of collisions be considered excessive?
A.
Greater than 1012 percent
B.
Greater than 45 percent
C.
Greater than 15 percent
D.
Greater than 58 percent
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