CH6 Flashcards

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1
Q

Which of the following addresses is a valid IPv6 address?

  1. 168.1.256
  2. 1.25.2
    2001: 0000:4137:9e76:3c2b:05ad:3f57:fe98
    2001: 0000:4137:9g76:3c2b:05zd:3x57:gh98
A

2001:0000:4137:9e76:3c2b:05ad:3f57:fe98

IPv6 addresses are expressed as groups of hexadecimal characters. Valid hexadecimal characters are “0” through “9” and “a” through “f”. Chracters such as “x”, “g”, and “h”, are NOT valid.

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2
Q

You need to manually assign an IPv6 address to a client computer for use within a private network. Which one of the following addresses should you use?

0000: :a123:4567:89ab:cdef
2001: 0001::fcde:ba98:7654
2001: 0000:fcde:ba98:7654
fe80: :a123:4567:89ab:cdef
fd00: :a123:4567:89ab:cdef

A

fd00::a123:4567:89ab:cdef

Unique Local addresses are assigned as Private Addresses. They have a Prefix of “fd” hexadecimal.

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3
Q

Which of the following features is built into IPv6 to provide extra security?

Teredo Tunneling
Global Addresses
Unique Local Addresses
IPSec

A

Unique Local Addresses

Internet Protocol Security (IPSec) is built into IPv6 and allows IPv6 to easily encrypt traffic.

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4
Q

An IPv6 address with a prefix of fd is a link-local address?

True
False

A

False

IPv6 prefix of “fd” is for unique local addresses. Link-Local addresses have a prefix of “fe80”.

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5
Q

What IPv6 to IPv4 technology uses tunneling to encapsulate an IPv6 packet with an IPv4 packet?

A

Teredo

Teredo is a Tunneling Protocol that encapsulates IPv6 packets within IPv4 datagrams. A Lesser used protocol is 6to4, which can also be a valid answer.

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6
Q

You need to assign IPv6 addresses to hosts on a private network. You should use _____ addresses?

A

unique local addresses

Unique local addresses are assigned to hosts on private networks.

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7
Q

What IPv6 protocol is used to identify routers on the same network?

Network Discovery
Teredo
IGMP
Anycast

A

Network Discovery

Uses ICMPv6 messages for router discovery.

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8
Q

IPv4 addresses use public addresses on the Internet. IPv6 uses _______ addresses on the internet?

A

global unicast

Global Unicast addresses are used on the Internet. They have a prefix of 2.

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