Information Technology Reference
In-Depth Information
Q & A
The Q & A questions are more difficult than what you can expect on the actual exam. The
questions do not attempt to cover more breadth or depth than the exam; however, they are
designed to make sure that you retain the material. Rather than allowing you to derive the
answer from clues hidden inside the question itself, these questions challenge your understanding
and recall of the subject. Questions from the “Do I Know This Already?” quiz are repeated here
to ensure that you have mastered the chapter's topic areas. A strong understanding of the
answers to these questions will help you on the CCIE written exam. As an additional study aide,
use the CD-ROM provided with this topic to take simulated exams.
Select the best answer. Answers to these questions are in the Appendix, “Answers to Quiz
Questions.”
Routers limit network traffic by controlling what?
1
a. DNS domain
b. Broadcast domain
c. Microsoft broadcast domains
d. Novell SAP broadcasts
Which layer of the OSI model is responsible for converting frames into bits and bits into
frames?
2
a. Network layer
b. Physical layer
c. Data-link layer
d. LLC layer
Which scheme suppresses a route announcement out an interface from which the route
was learned?
3
a. Holddowns
b. Split horizon
c. Poison reverse
d. Passive interface
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