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Indicate whether the statement is true or false.
1. By default, application services such as DNS, DHCP, and FTP are compatible with the IPv6 address space.
a.
True
b.
False
2. IPv6 and IPv4 will probably exist side by side for many years.
a.
True
b.
False
3. The transition from IPv4 to IPv6 requires that multiple stages occur in the move from a pure IPv4
environment to one that exclusively uses IPv6.
a.
True
b.
False
4. The nested model could be used for an IPv6 site that requires one or more “islands” of IPv4 subnets.
a.
True
b.
False
5. Both dual-IP-layer and dual-stack architecture require IPv6-over-IPv4 tunneling to be effective as a transition
mechanism.
a.
True
b.
False
Indicate the answer choice that best completes the statement or answers the question.
6. Which of the following addresses do ISATAP nodes use on their tunneling interface as the next-hop address
for the link-local address of the router?
a.
::/0
b.
ff::/0
c.
::/f
d.
/0:ff::
7. What is the first 16 bits of an IPv6 6to4 address?
a.
FC00
b.
2001
c.
FE80
d.
2002
8. In which type of tunnel are two IPv6 nodes linked directly using a tunnel over an IPv4 network
infrastructure?
a.
host-to-host
b.
router-to-router
c.
router-to-host
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d.
host-to-router
9. Which type of addresses are composed of a valid 64-bit unicast address prefix and an IPv4 interface
identifier?
a.
ISATAP
b.
Teredo
c.
6to4
d.
MAC
10. What network model can represent a number of hybrid configurations, but it assumes that a site has a variety
of different subnets, based on IP version implementation?
a.
basic hybrid
b.
transition hybrid
c.
nested
d.
true hybrid
11. Which node is responsible for reassembling any fragmented packets, removing the IPv4 header
encapsulation, and processing the IPv6 packet?
a.
encapsulator
b.
parser
c.
decapsulator
d.
gateway
12. Which of the following is used to connect dual-stack IPv4/IPv6 devices across IPv4 network infrastructures?
a.
FQDN
b.
NAT–PT
c.
ISATAP
d.
NBMA
13. To transition name resolution services from IPv4 to IPv6 on a mixed network, DNS servers must be
configured for dual stack and support both A records for IPv4 nodes and which of the following records for
IPv6 nodes?
a.
AAAA
b.
master
c.
domain
d.
AA
14. A computer possessing which type of architecture maintains separate stacks at both the Network and
Transport layers?
a.
hybrid-layer
b.
dual-transport
c.
dual-IP-layer
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d.
dual-stack
15. What type of protocol is implemented at the level of the device’s operating system, allowing the device to
support both IPv4 and IPv6, either as independent protocols or in a hybrid form?
a.
dual-stack
b.
dual-architecture
c.
hybrid
d.
transition
16. Which of the following is a specialized 6to4 device that acts as an IPv6/IPv4 router?
a.
router
b.
relay
c.
node/router
d.
host/router
17. Windows Server 2012, Windows Server 2016, Windows 7, and Windows 10 support a TCP/IP
implementation that integrates IPv4 and IPv6 in a dual-stack configuration that Microsoft calls which of the
following?
a.
Updated TCP/IP stack
b.
Version 2.0 TCP/IP
c.
Next Generation TCP/IP stack
d.
Advanced TCP/IP
18. The process of an ISATAP host communicating with an IPv6 node on an IPv6-capable subnet involves two
different connections: a connection between the ISATAP router and the IPv6-capable subnet and which of the
following?
a.
a router-to-host connection through an ISATAP proxy
b.
an ISATAP gateway connection through the ISATAP tunnel
c.
a host-to-host tunnel from the ISATAP router to the non-ISATAP router
d.
a host-to-router tunnel from the ISATAP node to the ISATAP router
19. A network node possessing which type of architecture has both IPv4 and IPv6 protocols operating in a
single Transport layer implementation?
a.
dual-stack
b.
dual-IP-layer
c.
hybrid-layer
d.
dual-transport
20. What type of tunneling requires that an administrator configure the end points of a tunnel?
a.
Automatic
b.
Dynamic
c.
Configured
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d.
Managed
21. With IPv6-over-IPv4, when the IPv4 header is created, what value is the protocol field value set at to
indicate that it is an encapsulated IPv6 packet?
a.
37
b.
41
c.
53
d.
61
22. IPv4/IPv6-capable routers that are linked in an IPv4 routing infrastructure can tunnel IPv6 packets between
each other by creating which of the following
a.
router-to-host path
b.
end-to-end path
c.
host-to-router path
d.
host-to-host path
23. Which of the following is an IPv4/IPv6 node that is connected to both an IPv4 Internet and an IPv6 Internet
using different interfaces?
a.
Teredo client
b.
Teredo host
c.
Teredo relay
d.
Teredo server
24. SIIT defines a type of IPv6 address that can be formatted as ::ffff:0:0:0/96 or ::ffff:0:a.b.c.d., in which
a.b.c.d is the IPv4 address notation. What is this address called?
a.
unique hybrid address
b.
transition address
c.
domain address
d.
IPv4 translated address
25. Which specification describes two domains, an IPv4 domain and an IPv6 domain, joined by one or more
IP/ICMP translators called XLATs?
a.
FQDN
b.
ISATAP
c.
SIIT
d.
NAT–PT
26. What technology is used throughout the industry today to provide translation between private IP addresses
and public IP addresses?
a.
6to4
b.
NAT
c.
ISATAP
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d.
Teredo
Enter the appropriate word(s) to complete the statement.
27. _____ means that one technology can work with another technology.
28. _____ was created as a replacement for NAT-PT, which was originally specified in RFC 2766 and
subsequently documented in RFC 4966.
29. The ____ network model can be considered an adaptation of the basic hybrid model.
30. _____ nodes allow a single computer to communicate to both IPv4-only and IPv6-only destination nodes
without any tunneling mechanism in most cases, but often some form of tunneling must be deployed.
31. The _____ is the node at the sending end of the tunnel, and it is responsible for encapsulating the IPv6
packet in an IPv4 header, then transmitting the packet in the tunnel.
Match each item with a statement below.
a.
dual-stack architecture
b.
nested hybrid network model
c.
network address translation (NAT)
d.
basic hybrid model
e.
IP address parser
f.
on-link route
g.
decapsulator
h.
default route
i.
Potential Router List (PRL)
32. an IPv4/IPv6-capable computer in which each version of IP accesses a separate Transport layer stack
33. a virtual network infrastructure model describing IPv6-capable networks embedded within a larger core IPv4
LAN and communicating with other IPv6 networks using a tunneling technology
34. a technology that translates an IP address used in one network, such as a private LAN, to a different IP
address used in a different network, such as the public Internet
35. a virtual network infrastructure model describing IPv6 nodes existing in a IPv4 core backbone and
communicating with each other using a tunneling technology
36. a method of verifying that a string is an IP address and, if so, determining if the address is IPv4 or IPv6
37. a route used by a network node to communicate with another network node on the same physical or virtual
subnet
38. the receiving node at the other end of the tunnel, which is responsible for reassembling any fragmented
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packets, removing the IPv4 header encapsulation, and processing the IPv6 packet
39. the route used by a network device to communicate to other devices on a different physical or virtual subnet,
leading to the next-hop device, which is typically a router
40. a method used by ISATAP nodes to maintain a current list of routes and routers
41. Briefly describe “6over4” addresses.
42. Briefly describe 6to4 tunneling.
43. Briefly explain how to tunnel through the IPv4 cloud.
44. Briefly describe IPv6-over-IPv4 tunneling.
45. Briefly describe the nested hybrid network model.
46. What are some of the network elements that you must consider when transitioning to IPv6?
47. Briefly describe the Host-to-Router and Router-to-Host tunneling topology.
48. What are some of the utilities designed to monitor, report on, and manage the network infrastructure?
49. Briefly describe the basic hybrid network model.
50. Briefly describe ISATAP.
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Answer Key
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w.x.y.z, as in the preceding example. This supports automatic tunneling as defined in RFC 3056.
individual network nodes and scale indefinitely by limiting the number of sites that are served by special relay routers.
address (see RFC 4291). The site-level address is the normal 16 bits, and the combination of the 2002::/16 prefix and the
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required to ensure that IPv6 packets are able to traverse those portions of the network that only support IPv4.
within the IPv4 site or the default gateway to the Internet.
* Firewalls
IPv6 capable, the packets are received, removed from the IPv4 encapsulation, and routed to their specific destinations.
2008. Additionally, Windows XP SP 1 (and updated in SP 2) has the ability to automatically assign link-local ISATAP
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FE80::5EFE:w.x.y.z for private addresses or FE80::200:5EFE:w.x.y.z for public addresses.