Deck 24: Implementing IPV6 Addressing on Routers

Question 1

What is the first step in configuring IPv6 routing on a Cisco IOS router?

A) Enable the IPv6 routing protocol.
B) Enable IPv6 routing.
C) Enable IPv6 routing on the interface.
D) Use the autoconfig ipv6 global configuration command.

Answer 1

Enable IPv6 routing.

Question 2

Which Cisco IOS command is used to display the IPv6 multicast groups to which an interface belongs?

A) show interfaces
B) show ipv6 group
C) show ipv6 interface
D) show ipv6

Answer 2

show ipv6 interface

Question 3

When generating a unique interface ID, the rules of EUI-64 are often used (eui-64). If the MAC address of an interface is 0000.1111.2222, what is the EUI-64 converted interface ID going to be?

A) 0000:11FF:FE11:2222
B) 0000:11FE:FE11:2222
C) 0200:11FE:FE11:2222
D) 0200:11FF:FE11:2222

Answer 3

0200:11FF:FE11:2222

Question 4

When generating a unique interface ID, the rules of EUI-64 are often used (eui-64). If the MAC address of an interface is 08ce.1543.1845, what is the EUI-64 converted interface ID going to be?

A) 0ACE:15FF:FE43:1845
B) 08CE:15FF:FE43:1845
C) 08CE:15FE:FE43:1845
D) 0ACE:15FE:FE43:1845

Question 5

Packets sent to a ________ address do not leave the IPv6 subnet.

A) Unique local
B) Link-local
C) Global unicast
D) Multicast

Question 6

When a link-local address is created on an IPv6 device, it always has the prefix ________.

A) FE::/8
B) FFFE::/10
C) FE80::/10
D) FEFE::/10

Question 7

Which IPv6 multicast address has been defined to include all hosts that run IPv6 on a local link?

A) FF01::1
B) FF01::2
C) FF02::2
D) FF02::1

Question 8

Which IPv6 multicast addresses are used by OSPFv3 for communications between OSPFv3-configured devices?

A) FF02::5
B) FF02::6
C) FF02::A
D) FF02::9

Question 9

What special address is used for the IPv6 loopback?

A) ::7F00:0001
B) 1::
C) ::1
D) 7F00:0001::

Question 10

The show command lists IPv6 addresses with which of the following characteristics?

A) The address is abbreviated.
B) The address is the complete IPv6 address (leading zeros are included).
C) The address is in uppercase hex digits.
D) The address is in binary digits.

Question 11

When using EUI-64 for addressing, the MAC address is split in half and ________ is inserted between the two halves with the seventh bit of the interface ID inverted.

A) FFFE
B) FD
C) FE
D) FE80

Question 12

When using EUI-64, what is the correct result of inverting the seventh bit of the interface ID with an interface ID of 0148:45FF:798A?

A) 0148:45DF:798A
B) 0348:45FF:798A
C) 0f48:45FF:798A
D) 0048:45FF:798A

Question 13

When using EUI-64, what is the correct result of inverting the seventh bit of the interface ID with an interface ID of B2C3:7AA0:8801?

A) B2C3:7A80:8801
B) B0C3:7AA0:8801
C) B3C3:7AA0:8801
D) BDC3:7AA0:8801

Question 14

Which of the following represents the address a host can use to test its own IP stack in IPv6?

A) ::
B) ::1
C) 1::
D) FD::

Question 15

Which of the following can a host use as its address when its own IPv6 address is not yet known?

A) ::
B) ::1
C) 1::
D) FD::