7. Written Lab 7.1 : IP Addressing

Question 1

What is the valid range used for a Class C private IP address?

Answer 1

The Class C private range is 192.168.0.0 through 192.168.255.255.

Question 2

Name some of the benefits of IPv6 over IPv4.

Answer 2

IPv6 has the following characteristics, among others, that make it preferable to IPv4: more availible addresses, simpler header, options for authentication, and other security.

Question 3

What is the term for the autoconfiguration technology responsible for adressess that start with 169.254?

Answer 3

Automatic Private IP Addressing (APIPA) is the technology that results in hosts automatically configuring themselves with addresses that begin with 169.254.

Question 4

What defines a unicast address?

Answer 4

An IP address assigned to an interface, considered a one-to-one communication.

Question 5

What defines a multicast address?

Answer 5

One-to-many address.

Question 6

What is the name for a 48 bit (6-byte) numerical adress physically assigned to a network interface, such as a NIC?

Answer 6

A MAC address, sometimes called a hardware address or even a burned-in address.

Question 7

IPv6 has how many more bits, compared to adresses in IPv4?

Answer 7

IPv6 has 128-bit (16-octet) addresses, compared to IPv4 32-bit (4-octet) addresses, so 96 more bits than IPv4.

Question 8

What is the private address range for Class B networks?

Answer 8

172.16.0.0 through 172.31.255.255

Question 9

What is the Class C range of values for the first octet in decimal and in binary?

Answer 9

192-223, 110xxxxx

Question 10

What is the 127.0.0.1 address used for?

Answer 10

Loopback or diagnostics. Actually, the full range of 127.0.0.1 through 127.255.255.254 is reffered to as the loopback address.