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Welcome to the DNS MCQs Page

Dive deep into the fascinating world of DNS with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of DNS, a crucial aspect of Networking. In this section, you will encounter a diverse range of MCQs that cover various aspects of DNS, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Networking.

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Check out the MCQs below to embark on an enriching journey through DNS. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Networking.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of DNS. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

DNS MCQs | Page 4 of 10

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Q31.
The ____________ domain section uses two-character country abbreviations.

a.

generic

b.

country

c.

inverse

d.

none of the above

Discuss
Answer: (b).country domain section
Q32.
The _________ domain is used to map an address to a name.

a.

generic

b.

country

c.

inverse

d.

none of the above

Discuss
Answer: (c).inverse
Q33.
In __________ resolution, the resolver expects the server to supply the final answer.

a.

iterative

b.

recursive

c.

straight

d.

none of the above

Discuss
Answer: (b).recursive
Q34.
In __________ resolution, the server returns the IP address of the server that it thinks can resolve the query.

a.

iterative

b.

recursive

c.

straight

d.

none of the above

Discuss
Answer: (a).iterative
Q35.
In the domain name chal.atc.fhda.edu, _______ is the least specific label.

a.

chal

b.

atc

c.

edu

d.

none of the above

Discuss
Answer: (c).edu
Q36.
In the domain name chal.atc.fhda.edu, _______ is the most specific label.

a.

chal

b.

atc

c.

fhda

d.

none of the above

Discuss
Answer: (a).chal
Q37.
A host with the domain name pit.arc.nasa.gov. is on the _______ level of the DNS hierarchical tree. (The root is level one.)

a.

third

b.

fourth

c.

fifth

d.

none of the above

Discuss
Answer: (c).fifth
Q38.
A pointer query involves the _______ domain.

a.

inverse

b.

reverse

c.

root

d.

none of the above

Discuss
Answer: (a).inverse
Q39.
DNS can use the services of ________ using the well-known port 53.

a.

UDP

b.

TCP

c.

either (a) or (b)

d.

none of the above

Discuss
Answer: (c).either (a) or (b)
Q40.
DNS can be pictured as an inverted hierarchical tree structure with one root node at the top and a maximum of

a.

128 Levels

b.

129 Levels

c.

130 Levels

d.

131 Levels

Discuss
Answer: (a).128 Levels
Page 4 of 10

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