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 Appendix A, “Answers to Quiz
Questions.”
What bit of each byte does an Ethernet NIC expect to read first off the wire?
1
a. The least significant bit first; this is the noncanonical format.
b. The most significant bit first; this is the noncanonical format.
c. The least significant bit first; this is the canonical format.
d. The most significant bit first; this is the canonical format.
Which access method listens to the wire before transmitting?
2
a. Token access
b. CSMA/CD
c. Token bus
d. 4B/5B
Which IEEE frame format includes a type field?
3
a. IEEE 802.3
b. IEEE 802.5
c. IEEE 802.3 SNAP
d. IEEE 802.1q
Which bridging method associates a MAC address with its ports?
4
a. Transparent
b. SRB
c. SR/TLB
d. RSRB
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