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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 2 of 10

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Q11.
The domain name system is maintained by

a.

distributed database system

b.

a single server

c.

a single computer

d.

none of the mentioned

Discuss
Answer: (a).distributed database system
Q12.
Which one of the following is not true?

a.

multiple hostnames may correspond to a single IP address

b.

a single hostname may correspond to many IP addresses

c.

a single hostname may correspond to a single IP address

d.

none of the mentioned

Discuss
Answer: (c).a single hostname may correspond to a single IP address
Q13.
In a _______ name space, a name is assigned to an address. A name in this space is a sequence of characters without structure.

a.

flat

b.

hierarchical

c.

organized

d.

none of the above

Discuss
Answer: (a).flat
Q14.
In a _________name space, each name is made of several parts.

a.

flat

b.

hierarchical

c.

organized

d.

none of the above

Discuss
Answer: (b).hierarchical
Q15.
To have a hierarchical name space, a ______________ was designed.

a.

domain space

b.

main name

c.

domain name space

d.

none of the above

Discuss
Answer: (c).domain name space
Q16.
In the DNS, the names are defined in ___________ structure.

a.

a linear list

b.

an inverted-tree

c.

a graph

d.

none of the above

Discuss
Answer: (b).an inverted-tree
Q17.
Each node in the tree has a _______, which is a string with a maximum of ___ characters.

a.

label; 127

b.

name; 255

c.

label; 63

d.

none of the above

Discuss
Answer: (c).label; 63
Q18.
The root of the DNS tree is _______.

a.

a string of characters

b.

a string of 63 characters

c.

an empty string

d.

none of the above

Discuss
Answer: (c).an empty string
Q19.
A full domain name is a sequence of labels separated by ________.

a.

semicolons

b.

dots

c.

colons

d.

none of the above

Discuss
Answer: (b).dots
Q20.
If a label is terminated by a null string, it is called a __________.

a.

PQDN

b.

FQDN

c.

SQDN

d.

none of the above

Discuss
Answer: (b).FQDN
Page 2 of 10

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