2 minutes
http://ipv6.he.net/certification/
Covers technical knowledge of DNS and general IPv6 topics.
1. On Redhat, CentOS, and Fedora Core systems that don’t accept ::/0 as the IPv6 default route, which of the following should you use instead?
- ::1/128
- fe80::/10
- 0.0.0.0
- 2000::/3 ✅
2. When configuring forward DNS entries for use with an IPv6 address, what record type do you use?
- AAAA ✅
- PTR
- mysql
- A
3. When configuring reverse DNS with BIND for addresses in the IPv6 allocation -2001:A:B:C::/64, what is the correct format for the zone?
- 2.0.0.1.0.0.0.A.0.0.0.B.0.0.0.C ✅
- C.0.0.0.B.0.0.0.A.0.0.0.1.0.0.2.ip6.arpa
- 2.0.0.1.0.0.0.A.0.0.0.B.0.0.0.C.ip6.arpa
- 2.0.0.1.A.B.C
- C.B.A.1.0.0.2.ip6.arpa
4.What is the IPv6 default route?
- ::/0 ✅
- 0.0.0.0
- 127.0.0.1
- ::1/128
5. What is the IPv6 localhost address?
- ::/0
- ::1/128 ✅
- 127.0.0.1
- 0.0.0.0
6. Which of the following is a link-local address?
- ::1 ✅
- ::
- fe80::20c:dbff:fefb:232b
- 3ffe:3200::/32
7. Which of the following URLs specifies a literal IPv6 address correctly?
- ipv6://2001:470:0:64::2
- http://[2001:470:0:64::2] ✅
- http:[2001:470:0:64::2]
- http://2001:470:0:64::2
8. Which of the following URLs specifies a literal IPv6 address and port number correctly?
- https://2001:0db8:85a3:08d3:1319:8a2e:0370:7344:443
- https:[2001:0db8:85a3:08d3:1319:8a2e:0370:7344]:443
- https://[2001:0db8:85a3:08d3:1319:8a2e:0370:7344].443
- https://[2001:0db8:85a3:08d3:1319:8a2e:0370:7344]:443 ✅
9. If you run native IPv4 and IPv6 at the same time this is called:
- 6in4
- 6and4
- NAT-PT
- Dual stack ✅
10. How do you use the dig command to get the IPv6 address record for domain he.net?
- dig he.net 6
- dig he.net A
- dig he.net AAAA ✅
11. How do you use the dig command to get the PTR record for the IPv6 address 2001:470:0:76::2?
- dig 2001:470:0:76::2
- dig 2001:470:0:76::2 PTR
- dig -x 2001:470:0:76::2 ✅