Questions and Answers

4-73

Correct answers for this practice can vary, but they should contain the following char-

acteristics:

■

The servers in the perimeter network should have FQDNs consisting of host

names in the second-level domain fabrikam.com.

■

All three internal divisions should be in a third-level domain beneath fab-

rikam.com.

■

Each of the three divisions should have a fourth-level domain name beneath the

internal network’s third-level domain.

■

Each computer should have a unique host name that reflects its function and dif-

ferentiates it from other computers performing the same function.

Page

Lesson 2 Review

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1. Which of the following is the best reason to create subdomains in a DNS

namespace?

a. To speed up the name resolution process

b. To delegate administrative authority over parts of the namespace

c. To create identical host names in different domains

d. To duplicate an existing Internet namespace

b

2. Why should you never use the same domain name for your internal and external

namespaces?

Because this practice makes it possible to assign computers duplicate FQDNs that would inter-

fere with the name resolution process.

3. Which of the following domain naming examples, for an organization with the

registered domain adatum.com, conforms to the practices recommended by

Microsoft?

a. An external domain called ext-adatum.com and an internal domain called int-

adatum.com

b. An external domain called ext.adatum.com and an internal domain called

adatum.com

c. An external domain called ext.adatum.com and an internal domain called

int.adatum.com

d. An external domain called adatum.com and an internal domain called int.ada-

tum.com

d