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Domain Name System - Quiz
Each question is worth one point. Select the best answer or answers for each question.
1.
What is the purpose of the Domain Name System (DNS)?
Please select the best answer.
A.
To dictate the Internet's network arrangement
B.
To map port names to port numbers
C.
To map host names to IP addresses
D.
To register names on the Internet
2.
In a fully qualified domain name, what does the name before the first dot represent?
Please select the best answer.
A.
The host's network
B.
The host's name
C.
The top-level domain
D.
The domain's network
3.
What is the minimum number of fields in the port name to number mapping file?
Please select the best answer.
A.
1
B.
2
C.
3
D.
4
4.
What ports has the IANA declared reserved?
Please select the best answer.
A.
0 through 1023
B.
1 through 1024
C.
0 through 1024
D.
1 through 1023
Correct answers:
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Quiz Explanation