For the exam, it is important to be able to identify each of the various address types and understand their purpose. In this section, we will discuss each of them in turn.
Understanding address types
Global unicast address
An IPv6 global unicast address is similar to a public IP address in IPv4, in that it is routable across the internet. Because there are so many available IPv6 addresses, it is feasible that every device can have its own global unicast address. This means that Network Address Translation (NAT) is not required, although this has not been well-received by all network administrators who appreciate the added security NAT provides.
Global unicast addresses all begin with 2000::/3, and the address is broken down...