Chapter 8 - CCNP ROUTE pot

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1
Which method can be used to route traffic through a 6to4 automatic tunnel?

IPv6 static route

IPv4 static route

OSPFv2

OSPFv3

RIPv2

RIPng

2
What is an advantage of the NAT-PT technique for transitioning between IPv4 and IPv6?

All mappings are static.

Globally routable IPv4 addressing is not required.

DNS is not required.

No configuration is required on end nodes.

3
How do IPv6 enabled routers handle packet fragmentation?

IPv6 routers do not perform packet fragmentation. OSPFv3 has a mechanism for determining the optimal
packet size and dynamically adjusting the packet size.

IPv6 routers do not perform packet fragmentation. CDP is used to discover the correct packet size for any
given traffic flow. The correct packet size is unique for each traffic flow.

IPv6 routers perform packet fragmentation. CDP is used to determine which packets need to be fragmented
for any given traffic flow.

IPv6 routers perform packet fragmentation. OSPFv3 has a mechanism for fragmenting packets so that they
are the optimal size.

IPv6 routers do not perform packet fragmentation. A discovery process is used to determine the optimum
maximum transmission unit (MTU) to use during a given session.

IPv6 routers perform packet fragmentation. IPv6 built-in QoS mechanisms automatically adjust the packet
fragmentation for a given session.

4


Refer to the exhibit. What is the purpose of this configuration?

to protect the IPv6 traffic from being corrupted by the IPv4 traffic

to transport IPv6 traffic through an IPv4 network

to allow the IPv6 traffic to use IPv4 addresses

to encrypt the IPv6 traffic within IPv4

5


Refer to the exhibit. An administrator has configured routers R1 and R2 for EIGRP IPv6 as shown. After
completing the configurations and verifying that the interfaces are up, the administrator notes that the routers
have not formed an EIGRP adjacency. What needs to be done to allow the neighboring routers to establish
adjacency?

IPv6 multicast routing must be enabled.

The EIGRP routing process must be started.

The router ID for IPv6 EIGRP must be a 128 bit number.

An IPv6 address must be configured on the serial interfaces.

6
Which two statements are correct about solicited-node multicasts? (Choose two.)

They are used for address resolution of an IPv4 address to an IPv6 address.

They are used for address resolution of an IPv6 address to a MAC address on a LAN segment.

They are used for address resolution of an IPv4 address to an IPv6 address on a LAN segment.

They resolve the problem of two or more devices having the same MAC address.

They resolve the problem of two or more devices having the same link-local address.

They are used in Duplicate Address Detection (DAD) to detect duplicate IPv6 addresses.

7
Which of these addresses is the shortest abbreviation for the IP address:
3FFE : 1044 : 0000 : 0000 : 00AB : 0000 : 0000 : 0057?

3FFE : 1044 :: AB :: 57

3FFE : 1044 :: 00AB :: 0057

3FFE : 1044 : 0 : 0 : AB :: 57

3FFE : 1044 : 0 : 0 : 00AB :: 0057

3FFE : 1044 : 0000 : 0000 : 00AB :: 57

3FFE : 1044 : 0000 : 0000 : 00AB :: 0057

8
Stateless autoconfiguration enables which IPv6 feature?

use of a thick-client approach

DHCP-lite

capability of devices to connect to the network by the use of DHCP servers

capability of devices to connect to the network without any configuration or without the use of a DHCP
server

use of a thin-client approach

capability of devices to automatically assign themselves a hybrid IPv4 / IPv6 address

9


Refer to the exhibit. Host 1 sends a router solicitation ICMP message that requests auto configuration from
router R1. Which destination IPv6 address will be used by R1 to send the ICMP router advertisement message
that contains the IPv6 configuration options?

multicast address FF02::2 for all routers

router R1 link-local address FE80::2/10

DHCP servers/relay agent address FF02::C

host 1 link-local address FE80::1 or multicast address FF02::1 for all nodes

10
Which two IPv6-specific extensions are incorporated into MBGP? (Choose two.)

an identifier for the IPv6 address family

all routers IPv6 multicast address

a global IPv6 address with the NEXT_HOP attribute

a 128-bit router ID

MPLS as a passenger protocol

11


Refer to the exhibit. Which type of IPv6 static route is configured in the exhibit?

directly attached static route

recursive static route

fully specified static route

floating static route

12
After the activation of IPv6 routing on a Cisco router and the configuration of IPv6 addresses on multiple
interfaces, what is the remaining step to activate RIPng?

Enter the ipv6 rip name enable command on each IPv6 RIPng interface.

Enter the ipv6 router rip name command and then use network commands to activate RIPng on the
interfaces.

Enter the router rip command, and then activate RIPng using the version command. RIPng then
automatically runs on all IPv6 interfaces.

Enter the interface programming mode for each IPv6 interface and enable the multicast group FF02::9, and
then activate RIPng globally using the ipv6 router rip name command.

13


Refer to the exhibit. Which two statements are true of the NAT-PT configurations on router R1? (Choose two.)

Router R1 will advertise the 1144::/96 prefix to router R2.

The ip nat outside command is required on interface Fa0/0.

Router R3 will learn about the 14::/64 network from router R1.

NAT-PT is enabled on both Fast Ethernet interfaces of router R1.

To reach the App_Server, packets from host A should be forwarded to router R1 with a destination IP of
172.16.23.100.

14
What is the IPv6 prefix used for 6to4 automatic tunnels?

0000

2002

3450

FEC0

15
Which two IPv4 to IPv6 transition techniques manage the interconnection of IPv6 domains? (Choose two.)

trunking

dual stack

encapsulation

tunneling

translation


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16


Refer to the exhibit. The network is using OSPFv3 as the routing protocol. Servers A, B, and C offer the same
application services. Which type of IPv6 address would be used so that the router will send the packet to the
server with the lowest cost OSPF route?

anycast

multicast

link local

unique local

global unicast

17


Refer to the exhibit. A network administrator wishes to apply a routing policy on router WestR1 that will
forward web traffic to the ISP while preserving the normal routing to the district office. However, when the
configuration displayed in the exhibit is applied, the web traffic is still flowing to the district office. What
configuration change should be made to the WestR1 router?

The access list must be rewritten to properly match web traffic.

The route map should be applied to Gi 0/0 interface.

The access group should be applied to S0/0/0 outbound.

The route map name should match the access list name.

18


Refer to the exhibit. What is indicated by the connected route entry?

Router1 is configured for NAT-PT.

The interface is part of an 6to4 tunnel.

Router1 is participating in an ISATAP tunnel.

The interface is part of an OSPF not-so-stubby area.

19


Refer to the exhibit. Which statement is true about the command ipv6 ospf cost 20?

The Virtual Router Redundancy Protocol (VRRP) will not use this interface unless all other interfaces go
down.

The cost number is used in the designated router election.

OSPFv3 will prefer this link over links with a lower cost.

The IPv6 priority must be configured before this command is entered.

The cost of sending a packet on this interface, expressed in the link state metric, is 20.

20


Refer to the exhibit. An administrator configured router R1 with two instances of RIPng. Based on the
information in the exhibit, what must the administrator do next in order to exchange routes between both RIPng
instances?

The clear ip route * command must be issued on router R1.

The clear ipv6 route * command must be issued on router R1.

The port 1013 multicast-group multicast-address command must be issued under the R1R2 instance with a
different multicast address than FF02::9.

The port port-# multicast-group FF02::9 command must be issued under the R1R2 instance with a
different port number than 1013.

The redistribute connected command must be applied under the R1R2 and R1R3 RIPng instances.

The redistribute rip R1R2 command must be issued under the R1R3 RIPng instance and the redistribute
rip R1R3 command must be issued under the R1R2 RIPng instance.


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