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Questions and Answers
1-43
Questions and Answers
Page
Lesson 1 Review
1-10
1. Which of the following statements about a network’s infrastructure is
true?
a. A network infrastructure includes hardware products only.
b. A network infrastructure includes software products only.
c. A network infrastructure includes both hardware and software products.
d. A network infrastructure is a design that does not include specific
hardware
or software products.
c
2. Which type of network infrastructure includes the selection of the
network and
transport layer protocols that are to be used on the network?
The logical infrastructure.
3. Maintaining a network infrastructure includes which of the following
processes?
(Choose three.)
a. Updating the network
b. Troubleshooting the network
c. Implementing the network
d. Monitoring the network
a, b, and d
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Lesson 2 Practice
1-23
For each of the following situations, specify which Ethernet variation you
would rec-
ommend and provide a reason for your selection.
1. A legacy Category 3 UTP cable installation.
10Base-T, because this is the only Ethernet variation that can use Category
3 UTP cable.
2. A high-bandwidth backbone network 1,000 meters long.
1000Base-LX Gigabit Ethernet with single-mode fiber-optic cable, because
this is the only high-
bandwidth Ethernet variation that supports a 1,000-meter cable length.
3. A Fast Ethernet LAN connecting 50 workstations in a factory environment
with
large amounts of electromagnetic interference.
100Base-FX, because only a fiber-optic network is resistant to
electromagnetic interference.
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