Chapter 26
1. C. Unique local addresses begin with FD in the first two digits.
2. A. Global unicast addresses can begin with many different initial values, but most commonly, they begin with either a hex 2 or 3.
3. D. The global routing prefix is the address block, represented as a prefix value and prefix length, given to an organization by some numbering authority. All IPv6 addresses inside the company have the same value in these initial bits of their IPv6 addresses. Similarly, when a company uses a public IPv4 address block, all the addresses have the same value in the network part.
4. B. Subnetting a global unicast address block, using a single prefix length for all subnets, breaks the addresses into three parts. The parts are the global ...
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