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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?
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?
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)?
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?
What is the address space division for Class D IP addresses?
What is the address range for Class C private IP addresses?
What is the address range for Class C private IP addresses?
What is the purpose of Class D IP addresses?
What is the purpose of Class D IP addresses?
What is the address range for Class B private IP addresses?
What is the address range for Class B private IP addresses?
Which operating systems offer Automatic Private IP Addressing (APIPA)?
Which operating systems offer Automatic Private IP Addressing (APIPA)?
What is the purpose of IANA (Internet Assigned Numbers Authority) reserved addresses 169.254.0.0 through 169.254.255.255?
What is the purpose of IANA (Internet Assigned Numbers Authority) reserved addresses 169.254.0.0 through 169.254.255.255?
What is the structure of a Class C IP address?
What is the structure of a Class C IP address?
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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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