Nokia 4A0-106 Exam Practice Test Instant Access

Question 1

Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is a BGP/MPLS service provider. Which of the following describes the routes present in PE1's global routing table?

AThe system address of PE2 is present. The system addresses of CSC-PE1 and CSC-PE2 are not present.

BThe system addresses of PE2, CSC-PE1 and CSC-PE2 are all present.

CThe system address of CSC-CE1, the route 192.168.10.1, and the route 192.168.20.1 are all present.

DThe system address of PE2 and the route 192.168.20.1 are present.

Answer : A

Question 2

Which of the following statements about the control plane in Carrier Supporting Carrier (CSC) VPRN is FALSE?

AThe customer carrier does not learn any network provider routes.

BThe network provider must learn the customer carrier PE and CE system addresses.

CRoutes exchanged between CSC-CE and CSC-PE are labeled.

DThe customer carrier PE system addresses are populated in the CSC VRF.

Answer : B

Question 3

Click the exhibit.

The AS-path nullification method is used to prevent CE2 from discarding routes received from CE1. On which router should the AS-path nullification policy be configured?

ACE1

BPE2

CPE1

DCE2

Answer : C

Question 4

Click the exhibit.

For the Carrier Supporting Carrier (CSC) VPRN, which routes are advertised from CSC-CE1 toPE1?

AIGP/LDP or labeled BGP routes for all PE system addresses in AS 5000 Site B

BVPN-IPv4 routes for all PE system addresses in AS 5000 Site B

CIGP/LDP or labeled BGP routes for all PE system addresses in AS 1000

DVPN-IPv4 routes for all PE system addresses in AS 1000

Answer : A

Question 5

How was standard BGP modified to allow it to carry routing information for VPRNs?

ABy using the MED attribute to carry the OSPF metric.

BBy defining Extended Communities for use as the Route Target

CBy using the Cluster List attribute to carry the network prefix

DBy defining support for the VPN-IPv4 address family

EBy adding an additional field to the BGP Update to carry the VPRN label

Answer : D

Question 6

Click the exhibit.

Which of the following statements about the implementation of the CE hub and spoke topology is FALSE?

APE1 advertises spoke routes to CE1.

BThe primary VRF on PE1 is used to route data packets from the hub CE to the spoke sites.

CThe secondary VRF on PE1 contains routes learned from the spoke sites.

DSpoke sites do not learn routes from other spoke sites directly.

Answer : C

Question 7

Click the exhibit.

Which of the following about the inter-AS model A VPRN configuration on ASBR1 is TRUE?

AThe route-distinguisher value must be 64496:10 for successful VPRN operation.

BAn export policy is not required for successful VPRN operation.

CThe 'family vpn-ipv4' command is required under the BGP configuration for successful VPRN operation.

DThe neighbor address should be 10.10.10.4 under the BGP configuration for successful VPRN operation.

EThe VPRN configuration on ASBR1 is correct.

Answer : E

Nokia 4A0-106 Nokia Virtual Private Routed Networks Exam Practice Test