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Classful IP Addressing Quiz

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Questions and Answers

Which class of IP addresses does the range 172.16.0.0 – 172.31.255.255 belong to?

Class B (correct)

Class D

Class C

Class A

Which organization reserves the predefined pool of addresses 169.254.0.0 through 169.254.255.255?

ICANN

IANA (correct)

ISO

IEEE

What is the purpose of Automatic Private IP Addressing (APIPA)?

To enable communication without a valid IP address (correct)

To provide IP addresses for private networks

To assign public IP addresses automatically

To reserve predefined pool of addresses

What is the address space division for Class D IP addresses?

Not applicable Signup and view all the answers

What is the address range for Class C private IP addresses?

192.168.0.0 – 192.168.255.255 Signup and view all the answers

What is the purpose of Class D IP addresses?

Reserved for multicast groups Signup and view all the answers

What is the address range for Class B private IP addresses?

172.16.0.0 – 172.31.255.255 Signup and view all the answers

Which operating systems offer Automatic Private IP Addressing (APIPA)?

Windows 98, ME, 2000, XP, Vista, Windows Server 2003, Windows Server 2008 Signup and view all the answers

What is the purpose of IANA (Internet Assigned Numbers Authority) reserved addresses 169.254.0.0 through 169.254.255.255?

For Automatic Private IP Addressing (APIPA) Signup and view all the answers

What is the structure of a Class C IP address?

Network.Network.Network.Host Signup and view all the answers

Study Notes

IP Address Classes and Private IP Addresses

The range 172.16.0.0 – 172.31.255.255 belongs to the Class B private IP address range.

APIPA (Automatic Private IP Addressing)

APIPA is used to automatically assign IP addresses to devices when they cannot obtain an IP address from a DHCP server.
APIPA is offered by Windows and other operating systems.

Class D IP Addresses

Class D IP addresses are used for multicasting.
The address space division for Class D IP addresses is 224.0.0.0 to 239.255.255.255.

Private IP Address Ranges

Class C private IP addresses range from 192.0.0.0 to 192.255.255.255.
Class B private IP addresses range from 172.16.0.0 to 172.31.255.255.

IANA Reserved Addresses

The organization that reserves the predefined pool of addresses 169.254.0.0 through 169.254.255.255 is IANA (Internet Assigned Numbers Authority).
The purpose of IANA reserved addresses 169.254.0.0 through 169.254.255.255 is for Automatic Private IP Addressing (APIPA).

IP Address Structure

The structure of a Class C IP address consists of a 24-bit network part and an 8-bit host part.

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Description

Test your knowledge of classful IP addressing with this quiz. Learn about the different classes (A, B, C, D, and E) and their address space divisions. Understand the structure of class A, B, and C addresses, and explore private IP address ranges.