IP Addressing

Question 1

What makes up classful networking ?

Answer 1

Class A, B, C

Question 2

Provide 1st octect, # of hosts, and subnet mask for Class A.

Answer 2

1-126, 16.7 million hosts, and 255.0.0.0

Question 3

Provide 1st octect, # of hosts, and subnet mask for Class B.

Answer 3

128-191, 65k hosts, and 255.255.0.0

Question 4

Provide 1st octect, # of hosts, and subnet mask for Class C.

Answer 4

192-223, 254 hosts, and 255.255.255.0

Question 5

What are the private/NAT addresses (non-routable IPv4 addresses) ?

Answer 5

10.0.0.0-10.255.255.255
172.16.0.0-172.31.255 255
192.168.0.0-192.168.255.255

Question 6

What is the multicast IP range ?

Answer 6

224.0.0.0-239.255.255.255

Question 7

Benefits of subnetting ?

Answer 7

Minimize broadcasting, optimized network performance, simplified management, and security

Question 8

What are some of the IPv6 benefits ?

Answer 8

More addresses, IPSec, no broadcast/multicast based, plug-n-play/auto-configuration

Question 9

What do the first 64 bits mean in IPv6 ?

Answer 9

Network prefix

Question 10

What does the IPv6 interface-ID provide ?

Answer 10

Identifies a unique interface on a host

Question 11

Global unicast addresses

Answer 11

Publicly routable addresses used to communicate outside of a local network (2000::/3)

Question 12

Unique local addresses
Give address too

Answer 12

-Non-publicly routable addresses
-communicate within a local network
-FC00::/7 FD00/8

Question 13

Link local addresses

Answer 13

Replacement for APIPA (FE80::/10)

Question 14

What is the multicast IPv6 address

Answer 14

FF00::/8

Question 15

Loopback IPv6

Answer 15

::1, used for testing