http://ipv6.he.net/certification/

Covers some of the basics; an introduction as the name suggests

1. How many bits are in an IPv6 address?

  • 128 ✅
  • 64
  • 32
  • 48

2. Which of the following choices is a valid IPv6 address?

  • 2001:0DB8:HE:6939::1
  • ipv6.example.com
  • 192.168.0.1
  • 2001:0DB8::0::FF2e:1
  • 2001:0DB8:0:FF2E::1 ✅

3. How many /64 subnets are available in a /48 prefix?

  • 256
  • 340,282,366,920,938,463,463,374,607,431,768,211,456
  • 18,446,744,073,709,551,616
  • 65536 ✅

4. How many available IPv6 addresses are there in a /64 allocation?

  • 18,446,744,073,709,551,616 ✅
  • 65536
  • 4,294,967,296
  • 2^128

5. What operating systems currently support IPv6?

Linux BSD MacOSX Vista/Windows 2008 All of the these support IPv6 ✅