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Which of the following is true when describing a global unicast address?

  • A.Packets addressed to a unicast address are delivered to a single interface.
  • B.These are your typical publicly routable addresses, just like a regular publicly routable address in IPv4.
  • C.These are like private addresses in IPv4 in that they are not meant to be routed.
  • D.These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.

Answer: B

Correct answer: These are your typical publicly routable addresses, just like a regular publicly routable address in IPv4.

A global unicast address is the ordinary routable kind, currently allocated from 2000::/3, and it is the direct equivalent of a public IPv4 address. What distinguishes it from the other unicast types is precisely that it is intended to be routed across the internet.

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