ipv6.he.net/certification
tunnelbroker.net
dns.he.net
math.he.net

Question 1
How many bits are in an IPv6 address?
IPv6 地址有多少位?
128

Question 2
Which of the following choices is a valid IPv6 address?
以下哪个选项是有效的 IPv6 地址?
2001:0db8:0:ff2e::1

Question 3
How many /64 subnets are available in a /48 prefix?
一个 /48 前缀可以划分出多少个 /64 子网?
65536

Question 4
How many available IPv6 addresses are there in a /64 allocation?
一个 /64 网段中有多少个可用的 IPv6 地址?
18,446,744,073,709,551,616

Question 5
What operating systems currently support IPv6?
目前哪些操作系统支持 IPv6?
All of the these support IPv6

Question 1
What features of IPv6 do you see yourself using?
你认为自己会使用 IPv6 的哪些特性?

Question 2
If you were setting up a network of 12 million hosts that all needed their own unique globally routable addresses, which protocol would you use?
如果你要搭建一个拥有 1200 万台主机的网络, 并且每台主机都需要一个独立且可在全球路由的地址, 你会使用哪种协议?
IPv6

Question 3
Do you plan on making sure your workplace is IPv6 ready before IPv4 exhaustion?
你是否计划在 IPv4 地址耗尽之前, 确保自己的工作场所做好支持 IPv6 的准备?
Yes

Question 4
Do you think that any of your co-workers or friends would find Hurricane Electric's IPv6 certification useful?
你认为你的同事或朋友会觉得 Hurricane Electric 的 IPv6 认证有用吗?
Very much

Question 5
Do you think you would benefit from using Hurricane Electric's free IPv6 certification process at work?
你认为在工作中参加 Hurricane Electric 的免费 IPv6 认证项目会对自己有所帮助吗?
Very much

Question 1
Are you enjoying the Hurricane Electric IPv6 certification process?
你喜欢 Hurricane Electric 的 IPv6 认证流程吗?
Very much

Question 2
Did you like this level in the Hurricane Electric IPv6 certification process?
你喜欢 Hurricane Electric 的这一级 IPv6 认证测试吗?
Yes

Question 3
Is the price right for the Hurricane Electric free IPv6 certification process?
你觉得 Hurricane Electric 的免费 IPv6 认证项目划算吗?
A great bargain

Question 4
Does the network equipment you currently use support IPv6?
你目前使用的网络设备是否支持 IPv6?
All

# 查询域名的 MX 记录, 找出邮件服务器
dig mx $domain +short

# 查询邮件服务器的 AAAA 记录, 获取其 IPv6 地址
dig aaaa $mx +short

# 查询邮件服务器 IPv6 地址的反向 DNS 记录, 检查 rDNS 是否正常
dig -x $mxAAAA +short

Question 1
With regards to the server configuration portion, what level of difficulty would you rate it?
对于服务器配置部分, 你认为难度如何?
Trivial

Question 2
Hurricane Electric would like to make sure you are completely happy with our free IPv6 certification process. Please rate your satisfaction on a scale of 1 to 5; 5 being completely satisfied, 1 being completely unsatisfied.
Hurricane Electric 希望确保你对免费的 IPv6 认证流程感到满意。请在 1 到 5 分的范围内评价你的满意度, 其中 5 分表示完全满意, 1 分表示完全不满意。
5 - Completely Satisfied

Question 3
Have you asked your provider about when they plan on supporting IPv6?
你是否向网络服务提供商询问过他们计划何时支持 IPv6?
Yes

Question 4
Do you think that Internet oriented companies (software, hardware, or service providers) need to be IPv6 ready before IPv4 exhaustion?
你认为面向互联网的企业 (软件、硬件或服务提供商) 是否应该在 IPv4 地址耗尽之前做好支持 IPv6 的准备?
Yes

# 查询域名的 NS 记录, 找出权威 DNS 服务器
dig ns $domain

# 查询这些服务器的 AAAA 记录, 确认它们拥有 IPv6 地址
dig aaaa $ns

# 通过 IPv6 地址向权威 DNS 服务器发送查询, 检查其是否能够正常响应
dig aaaa $domain @$nsAAAA

Question 1
Do you feel like you learned (or refreshed) your knowledge by completing the Hurricane Electric IPv6 certification process?
完成 Hurricane Electric 的 IPv6 认证后, 你觉得自己学到了新知识或复习了已有知识吗?
Very much

Question 2
Are you able to understand the material?
你能理解认证中的相关内容吗?
Yes

Question 3
Do you feel good about the Hurricane Electric free IPv6 certification process?
你对 Hurricane Electric 的免费 IPv6 认证流程满意吗?
Yes

Question 4
Have you asked your domain name registrar if they support IPv6?
你是否向域名注册商询问过他们是否支持 IPv6?
Yes

# 用于追踪域名的 NS 记录, 找到对应的顶级域名服务器
dig +trace ns $domain

# 通过顶级域名服务器查询权威 DNS 服务器的 AAAA 记录
dig aaaa $ns @TLD

Question 1
You request IPv6 glue for your nameservers through:
你应该通过谁为名称服务器申请 IPv6 Glue 记录?
The registrar of the domain used by your name servers

Question 2
IPv6 glue for nameservers resides on which nameservers?
名称服务器的 IPv6 Glue 记录存储在哪类名称服务器上?
The TLD/ccTLDs'

Question 3
Which of the following queries proves working IPv6 glue?
以下哪条查询命令可以验证 IPv6 Glue 是否正常工作?
dig AAAA ns1.exampledomain.tld @tld.server

Question 4
Which TLD listed below is authoritative for .com & .net IPv6 Glue?
以下哪个顶级域名服务器负责 .com 和 .net 的 IPv6 Glue 记录?
A.GTLD-SERVERS.net

Question 5
What is another name sometimes used for A or AAAA nameserver glue records found in the top level domain zone files?
顶级域名区域文件中, 用于名称服务器的 A 或 AAAA Glue 记录有时也称为什么?
host records

Question 6
What is a registrar?
什么是域名注册商?
An organization that is able to register domains

Question 7
What is a registry?
什么是域名注册局?
An organization responsible for operating the authorative nameservers and database for a top level domain

Question 8
Why does getting AAAA records for your nameservers in the corresponding TLD (top level domain) zone matter?
为什么在对应的顶级域名区域中为名称服务器配置 AAAA 记录很重要?
It enables entirely native IPv6 DNS queries and makes it possible for IPv6 only hosts to reach the nameservers for your domain, since they can't use glue that is just an A record.

Question 9
IPv6 AAAA records have been added for several of the root nameservers.
部分根名称服务器已经添加了 IPv6 AAAA 记录。
True

Question 1
What command do you use to ping an IPv6 address on Free Open Source UNIX platforms such as Linux, FreeBSD, etc?
在 Linux、FreeBSD 等自由开源 UNIX 系统平台上, 使用什么命令 Ping 一个 IPv6 地址?
ping6

Question 2
What command do you use to traceroute to an IPv6 address on Free Open Source UNIX platforms such as Linux, FreeBSD, etc?
在 Linux、FreeBSD 等自由开源 UNIX 系统平台上, 使用什么命令对一个 IPv6 地址进行路由追踪?
traceroute6

Question 3
What command do you use to ping an IPv6 address on a Microsoft Windows platform?
在 Microsoft Windows 平台上, 使用什么命令 Ping 一个 IPv6 地址?
ping

Question 4
What command do you use to traceroute to an IPv6 address on a Microsoft Windows platform?
在 Microsoft Windows 平台上, 使用什么命令对一个 IPv6 地址进行路由追踪?
tracert

Question 5
IPv6 addresses are written using what number base?
IPv6 地址使用什么进制表示?
hexadecimal (base 16)

Question 6
Hexadecimal digits are represented by:
十六进制数字由哪些字符表示?
0 to 9 and A to F

Question 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?
在不接受 ::/0 作为 IPv6 默认路由的 Red Hat、CentOS 和 Fedora Core 系统上, 应该使用以下哪个前缀代替?
2000::/3

Question 2
When configuring forward DNS entries for use with an IPv6 address, what record type do you use?
为 IPv6 地址配置正向 DNS 记录时, 应使用哪种记录类型?
AAAA

Question 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?
使用 BIND 为 IPv6 地址段 2001:A:B:C::/64 配置反向 DNS 时, 正确的区域名称格式是什么?
C.0.0.0.B.0.0.0.A.0.0.0.1.0.0.2.ip6.arpa

Question 4
What is the IPv6 default route?
IPv6 的默认路由是什么?
::/0

Question 5
What is the IPv6 localhost address?
IPv6 的本地主机地址是什么?
::1/128

Question 6
Which of the following is a link-local address?
以下哪个是链路本地地址?
fe80::20c:dbff:fefb:232b

Question 7
Which of the following URLs specifies a literal IPv6 address correctly?
以下哪个 URL 正确地指定了一个字面形式的 IPv6 地址?
http://[2001:470:0:64::2]

Question 8
Which of the following URLs specifies a literal IPv6 address and port number correctly?
以下哪个 URL 正确地指定了一个字面形式的 IPv6 地址和端口号?
https://[2001:0db8:85a3:08d3:1319:8a2e:0370:7344]:443

Question 9
If you run native IPv4 and IPv6 at the same time this is called:
同时运行原生 IPv4 和 IPv6 被称为什么?
Dual stack

Question 10
How do you use the dig command to get the IPv6 address record for domain he.net?
如何使用 dig 命令查询域名 he.net 的 IPv6 地址记录?
dig he.net AAAA

Question 11
How do you use the dig command to get the PTR record for the IPv6 address 2001:470:0:76::2?
如何使用 dig 命令查询 IPv6 地址 2001:470:0:76::2 的 PTR 记录?
dig -x 2001:470:0:76::2

Question 1
What command shows IPv6 addresses configured on ethernet interfaces under UNIX (Linux, FreeBSD, etc.)?
在 UNIX 系统 (Linux、FreeBSD 等) 中, 使用什么命令查看以太网接口上配置的 IPv6 地址?
ifconfig

Question 2
What command shows IPv6 addresses configured on ethernet interfaces under Microsoft Windows?
在 Microsoft Windows 系统中, 使用什么命令查看以太网接口上配置的 IPv6 地址?
ipconfig

Question 3
Under FreeBSD, what does the generic tunneling interface start with?
在 FreeBSD 中, 通用隧道接口的名称以什么开头?
gif

Question 4
Under Linux, what kernel module needs to be loaded to support IPv6 networking?
在 Linux 中, 需要加载哪个内核模块才能支持 IPv6 网络?
ipv6

Question 5
Are routers allowed to fragment IPv6 packets?
路由器是否允许对 IPv6 数据包进行分片?
No

Question 6
How many bytes are in an IPv6 address?
一个 IPv6 地址占用多少字节?
16

Question 7
How many /48 subnets are available in a /32 prefix?
一个 /32 前缀可以划分出多少个 /48 子网?
65536

Question 8
Which protocol is used for manually configured tunnels?
手动配置的隧道使用哪种协议?
6in4

Question 9
Which of the following is the IPv6 documentation prefix?
以下哪个是 IPv6 文档专用前缀?
2001:db8::/32

Question 10
Which of the following is the IPv6 link-local prefix?
以下哪个是 IPv6 链路本地地址前缀?
fe80::/10

Question 11
Which of the following is the IPv6 multicast prefix?
以下哪个是 IPv6 多播地址前缀?
ff00::/8

Question 12
Which of the following is the IPv6 ULA (unique local addresses) prefix?
以下哪个是 IPv6 ULA (唯一本地地址) 前缀?
fc00::/7

Question 13
Which of the following is a subnet of 2001:db8::/32?
以下哪个是 2001:db8::/32 的子网?
2001:db8:7fa5::/48

Question 14
On Linux, how would you traceroute to the IPv6 address of he.net?
在 Linux 中, 如何对 he.net 的 IPv6 地址进行路由追踪?
traceroute6 he.net

Question 15
On Windows Vista, how would you traceroute to the IPv6 address of he.net?
在 Windows Vista 中, 如何对 he.net 的 IPv6 地址进行路由追踪?
tracert he.net

Question 16
On Linux, what is the IPv6 ping command?
在 Linux 中, 用于 Ping IPv6 地址的命令是什么?
ping6

Question 17
Which command forces the UNIX command ssh to use IPv6 to connect to example.com (useful for domains with both A and AAAA records)?
使用哪个命令可以强制 UNIX 系统中的 ssh 通过 IPv6 连接到 example.com? (适用于同时具有 A 和 AAAA 记录的域名)
ssh -6 example.com

Question 18
You would force the UNIX command ssh to use IPv4 (useful if it had both A and AAAA records) to connect to example.com using which command?
使用哪个命令可以强制 UNIX 系统中的 ssh 通过 IPv4 连接到 example.com? (适用于同时具有 A 和 AAAA 记录的域名)
ssh -4 example.com

Question 19
Which command forces the UNIX command wget to use IPv6 to make a HTTP GET request to he.net (useful for domains with both A and AAAA records)?
使用哪个命令可以强制 UNIX 系统中的 wget 通过 IPv6 向 he.net 发起 HTTP GET 请求? (适用于同时具有 A 和 AAAA 记录的域名)
wget -6 he.net

Question 20
Which command forces the UNIX command wget to use IPv4 to make a HTTP GET request to he.net (useful for domains with both A and AAAA records)?
使用哪个命令可以强制 UNIX 系统中的 wget 通过 IPv4 向 he.net 发起 HTTP GET 请求? (适用于同时具有 A 和 AAAA 记录的域名)
wget -4 he.net

Question 21
Which command forces the UNIX command mtr to use IPv6 to traceroute to he.net (useful for domains with both A and AAAA records)?
使用哪个命令可以强制 UNIX 系统中的 mtr 通过 IPv6 对 he.net 进行路由追踪? (适用于同时具有 A 和 AAAA 记录的域名)
mtr -6 he.net

Question 22
Which command forces the UNIX command mtr to use IPv4 to traceroute to he.net (useful for domains with both A and AAAA records)?
使用哪个命令可以强制 UNIX 系统中的 mtr 通过 IPv4 对 he.net 进行路由追踪? (适用于同时具有 A 和 AAAA 记录的域名)
mtr -4 he.net

Question 1
When using basic auto-configuration, what is used from the host to configure the last 64bits of the IPv6 address?
使用基本的自动配置方式时, 主机使用什么信息来配置 IPv6 地址的最后 64 位?
The MAC address of the ethernet interface

Question 2
A MAC address is only 48bits. So when using basic auto-configuration, what is used to fill in the missing 16bits?
MAC 地址只有 48 位。那么, 使用基本的自动配置方式时, 用什么来填补缺少的 16 位?
FFFE

Question 3
On many routers, which one of the following commands is used to configure an IPv6 address on an interface?
在许多路由器上, 使用以下哪个命令可以为接口配置 IPv6 地址?
ipv6 address 2001:A:B:C::1/64

Question 4
What is the length of an IPv6 packet header?
IPv6 数据包头的长度是多少?
40 bytes

Question 5
Which of the following organizations assigns IPv6 addresses?
以下哪些组织负责分配 IPv6 地址?
All of the above

Question 6
What protocol number is used for 6in4 IPv4 packets?
6in4 封装的 IPv4 数据包使用什么协议号?
41

Question 7
Which of the following is the 6to4 IPv6 prefix?
以下哪个是 6to4 使用的 IPv6 前缀?
2002::/16

Question 8
Which of the following well-known prefixes is used for Teredo?
以下哪个是 Teredo 使用的知名前缀?
2001:0000::/32

Question 9
Which of the following is an IPv4-mapped IPv6 address?
以下哪个是 IPv4 映射的 IPv6 地址?
::ffff:10.10.10.2

Question 10
On operating systems that support it, IPv4-mapped IPv6 addresses are used to:
在支持该功能的操作系统中, IPv4 映射的 IPv6 地址有什么用途?
map IPv4 addresses to an IPv6 address to make it so that IPv6 socket system calls can be used with both IPv4 or IPv6 addresses

Question 11
Which of the following is an IPv4-compatible IPv6 address?
以下哪个是 IPv4 兼容的 IPv6 地址?
::10.10.10.2

Question 12
IPv4-compatible IPv6 addresses are deprecated in RFC 4291.
RFC 4291 已将 IPv4 兼容的 IPv6 地址标记为弃用。
True

Question 13
Should you ever see packets with IPv4-mapped IPv6 addresses on the wire (outside of a host)?
在主机之外的网络链路上, 是否应该看到包含 IPv4 映射 IPv6 地址的数据包?
No

Question 14
Which version of OSPF supports IPv6?
哪个版本的 OSPF 支持 IPv6?
OSPFv3

Question 15
Which of the following can be used by an IPv6 host to learn the address of a default gateway?
IPv6 主机可以使用以下哪种协议获取默认网关的地址?
neighbor discovery protocol

Question 16
Which of the following can be used by a host to learn its own IPv6 address?
主机可以使用以下哪种方式获取自己的 IPv6 地址?
stateless autoconfiguration

Question 17
If you translate IPv4 packets to IPv6 or IPv6 packets to IPv4, this is called:
将 IPv4 数据包转换为 IPv6 数据包, 或将 IPv6 数据包转换为 IPv4 数据包, 这种技术称为什么?
NAT64/DNS64/DS-Lite

Question 18
On many routers, what command shows IPv6 routes?
在许多路由器上, 使用什么命令查看 IPv6 路由?
show ipv6 route

Question 19
On many routers, what command shows IPv6 BGP sessions?
在许多路由器上, 使用什么命令查看 IPv6 BGP 会话状态?
show ipv6 bgp summary

Question 20
On many routers, what command shows IPv6 BGP routes?
在许多路由器上, 使用什么命令查看 IPv6 BGP 路由?
sh ipv6 bgp