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 ques-
tions 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.”
Which queuing scheme can be used to SNA traffic before servicing other traffic types?
1
a. FIFO
b. CQ
c. PQ
d. CBWFQ
Which protocol permits hosts to request quality of service parameters from network
resources?
2
a. MPLS
b. RSVP
c. CAR
d. RTP
Which mechanism drops packets to prevent congestion?
3
a. CQ
b. WRED
c. WFQ
d. DPack
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