Nokia 4A0-106 Exam Practice Test Instant Access

Question 1

For the Inter-AS model C VPRN, which of the following is FALSE when an IP packet is sent from 192.1.1.1 to 192.2.1.1?

APE1 pushes three labels on the IP packet: a VPN label, a BGP label, and an LDP transport label.

BASBR1 pops the LDP label, swaps the BGP label and forwards the IP packet to ASBR2.

CASBR2 swaps the BGP label and pushes an LDP transport label.

DPE2 pops all labels and forwards the unlabeled packet to its destination.

Answer : B

Question 2

Based on the VPRN BGP decision process, which of the following routes is selected first?

AThe route with the shortest AS path.

BThe route with the lowest route or tunnel table cost to the NEXT_HOP.

CThe route with the highest local preference.

DThe route with the lowest originator ID or BGP identifier.

Answer : C

Question 3

In a Carrier Supporting Carrier (CSC) VPRN, which of the following is NOT a benefit to the network provider?

AThe solution scales as the number of VPNs offered by the customer carriers increases.

BThe solution scales as the number of end-customer routes increases.

CThere is no need to manage end-customer services.

DThe solution scales as the number of serviced customer carriers increases.

Answer : D

Question 4

Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured on an Nokia 7750 SR for a customer carrier who is an Internet Service Provider (ISP). Which of the following configuration steps is NOT required?

AConfiguring labeled eBGP sessions between CSC-CE and CSC-PE routers.

BConfiguring a policy on each CSC-CE to advertise local PE addresses to the network provider.

CConfiguring labeled iBGP sessions between PEs residing in different customer carrier sites.

DAdvertising the received system addresses of remote PEs using either iBGP or IGP/LDP within each customer carrier site.

Answer : C

Question 5

Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured on an Nokia 7750 SR for a customer carrier offering VPRN services. Which of the following configuration steps is NOT required?

ACreating an export policy on CSC-CE1 and CSC-CE2 to advertise local PE addresses to the network provider.

BConfiguring eBGP between CSC-CE and CSC-PE routers; setting the address family to IPv4; and enabling the advertisement of labels for IPv4 routes.

CConfiguring iBGP between PE and CSC-CE within each customer carrier site; setting the address family to IPv4; and enabling the advertisement of labels for IPv4 routes.

DConfiguring MP-iBGP between PE1 and PE2; setting the address family to IPv4; and enabling the advertisement of labels for IPv4 routes.

Answer : D

Question 6

Which of the following about the configuration of an inter-AS model C VPRN is FALSE?

AMP-iBGP sessions must be configured between the PE routers in each AS.

BLDP must be configured in each AS.

CMP-eBGP sessions must be configured between the ASBRs.

DThe ASBRs must be configured with 'enable-inter-as-vpn'.

Answer : D

Question 7

Click the exhibit.

Routers RR1 and RR2 are configured as route reflectors. For the inter-AS model C VPRN, which of the following about the VPN-IPv4 route advertisement is FALSE?

ARR2 advertises the VPN-IPv4 route update of 192.2.1.0/27 to RR1

BRR1 advertises the VPN-IPv4 route update of 192.1.1.0/27 to RR2

CRR2 advertises the VPN-IPv4 route update of 192.1.1.0/27 to PE2

DPE1 advertises the VPN-IPv4 route update of 192.1.1.0/27 to RR1 and ASBRL

Answer : D

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