Which of the following best describes a benefit of IPv6 over IPv4?

1. Correct Answer
   Incorrect Answer
   a

   IPv6 address are not hierarchical.

2. Correct Answer
   Incorrect Answer
   b

   IPv6 addresses are shorter.

3. Correct Answer
   Incorrect Answer
   c

   IPv6 allow for greater number of IP addresses.

4. Correct Answer
   Incorrect Answer
   d

   IPv6 allow data to be sent peer-to-peer without the user of a router.