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.”
Which IP protocol and port does Telnet use?
1
a. TCP 21
b. Protocol 1, TCP port 23
c. UDP 23
d. IP protocol 6, TCP port 23
What is the directed broadcast address for 171.80.32.178/27?
2
a. 171.80.32.192.
b. 171.80.32.191.
c. 171.80.32.64.
d. There is not sufficient information.
When packets are fragmented, where are the fragments reassembled?
3
a. By the next hop router
b. By the TCP layer in the destination host
c. By the IP layer in the destination host
d. By the router next to the destination host
Which type of address class is 190.1.2.0?
4
a. Class A
b. Class B
c. Class C
d. Class D
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