Classes of IPv4 Address

Question 1

This uses only the first octet (8 bits) of the 32-bit number to indicate the network address. The entire second to the fourth octet is used for host addresses, which is not equivalent to a total of 24 bits.

Answer 1

Class A address

Question 2

This uses two of the four octets to indicate the network address. The two other octets, which specify the host addresses, and now have a total of 16 bits.

Answer 2

Class B address

Question 3

This uses the first three octets (24 bits) of the Ip address to identify the network portion, with the remaining octet reserved for the host portion, which is equivalent to eight (8) bits.

Answer 3

Class C address

Question 4

This is created to enable multicasting using an IP address.

Answer 4

Class D address

Question 5

A … is a unique address that directs packets with that destination address to predefined groups of hosts

Answer 5

multicast address

Question 6

This is reserved by the Internet Engineering Task Force (IETF) for its own research

Answer 6

Class E address