Domain Name System Questions

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1.

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

Correct Answer: A

None.

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2.

In a _________name space, each name is made of several parts.

A

flat

B

hierarchical

C

organized

D

none of the above

Correct Answer: B

None.

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3.

To have a hierarchical name space, a ______________ was designed.

A

domain space

B

domain name

C

domain name space

D

none of the above

Correct Answer: C

None.

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4.

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

Correct Answer: B

None.

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5.

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

Correct Answer: C

None.

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6.

A full domain name is a sequence of labels separated by ________.

A

semicolons

B

dots

C

colons

D

none of the above

Correct Answer: B

None.

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7.

If a label is terminated by a null string, it is called a __________.

A

PQDN

B

FQDN

C

SQDN

D

none of the above

Correct Answer: B

None.

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8.

If a label is not terminated by a null string, it is called a __________.

A

PQDN

B

FQDN

C

SQDN

D

none of the above

Correct Answer: A

None.

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9.

. A _________ is a subtree of the domain name space.

A

label

B

name

C

domain

D

none of the above

Correct Answer: C

None.

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10.

What a server is responsible for or has authority over is called a _________.

A

domain

B

label

C

zone

D

none of the above

Correct Answer: C

None.

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